12v rectifier designmunkák

I require a skilled Electronics Circuit Design Engineer to create a power amplifier circuit for me. The desired specifications for this project are as follows: - Input: +12v, -12v square wave (bipolar/monopolar) - Frequency Range: 0.1 Hz to 1000 Hz - Output: +100v, -100v - Load: 500 ohms - Output Current: 200mA Key requirements for this project: - Designing a power amplifier circuit that can handle the specified input and output voltage. - Ensuring the frequency range is between 0.1 Hz to 1000 Hz. - The output should be capable of driving a load of 500 ohms with 200mA output current. Skills and experience required: - Proven expertise in Electronics Circuit Design, particularly in designing power amplifiers. - Proficiency in managing both bipolar and monopolar...

**Project Overview:** We are seeking an experienced freelancer to develop an electronics system for our mobile chicken houses. The system should control relay loads, read RFID tags, that are fitted to every hen and other sensors to log chicken laying patterns and transmit the data to an online platform for storage and analysis. A 12V power supply is available for system operation. **System Overview:** The integrated control system should manage lighting, electric fences, and actuators, through relays, for optimal conditions inside the chicken houses. It should also collect and transmit various data points, including battery voltages, lighting conditions, and readings from 10 separate RFID sensors, for remote monitoring and analysis. Data transmission should occur via either 4G or L...

I am looking for a skilled PCB designer to create a prototype that fits within a medium-sized, 2 to 4 inch space. This PCB should be tailored to contain an Arduino Mini and a 12V to 5V buck converter, with 3 pin and 2 pin JST GH connectors. The configuration of components on the PCB should follow a clustered arrangement to maximize space efficiency. This job does not require mass production capability at this time, with the primary focus being on creating a single prototype. Ideal candidates should have experience with Arduino components and compact PCB design.

I need assistance finishing a 12v circuit capable of effectively powering a LED light bar in a vehicle. Not ricer stuff, on an emergency vehicle. See attached diagram. Key job responsibilities include: - Designing a 12v circuit that fits my requirements - Adapting the design to the specific type of LED lights I use - Ensuring the configuration is optimized for 1-5 LED lights Ideal candidates should have: - Extensive knowledge of and experience with 12v circuits - Experience working with LED lighting systems - Strong problem-solving capabilities to troubleshoot potential issues and offer robust solutions - Excellent communication skills to explain the circuit design and any necessary precautions or maintenance tips. I value attention to detail and effi...

I am seeking an experienced electrical and HVAC engineer to design a comprehensive system for my large, 50+ feet house boat. This project involves designing an integrated electrical and HVAC system. Key requirements include: - A design that accommodates lighting, heating and cooling systems, and appliances. - Powering two 600 hp mercury engines on a 12v system with some low voltage lights. - Ability to utilize both shore power and independent power sources. Ideal qualifications: - Prior experience working with large boats/ships - Understanding of boat electrical and HVAC systems - Experience with multi-power source systems I look forward to enhancing the functionality and safety of my house boat with your expertise.

I need a highly skilled electrical engineer who can design an industrial-grade, slow-trickle charging circuit for lead-acid batteries. This device will be used primarily for powering backup systems. Key Responsibilities: - Design a charging circuit compatible with lead-acid battery chemistry. - Prioritize circuit efficiency to enable slow-trickle, long-term charging without overcharging or damaging batteries. - Draft detailed documentation on the design, including technical specifications (voltage, current, etc.) and assembly instructions. Ideal Skills and Experience: - Solid understanding of lead-acid battery charging dynamics. - Demonstrated experience in industrial circuit design. - Knowledge in handling charging circuits for backup power systems. - Profici...

I'm looking for an experienced individual who can proficiently integrate a 20V LED strip and a 12V pump into a singular circuit for my hydroponics setup. The key functions required for my hydroponics system include: am building a small, table top hydroponic system for use in a home. This circuit will require timed controls of an LED grow light and water pump ( + inputs from buttons in the future). The components I am using are: LED grow strip: rated at 20v, 350mA DC Water pump: 12v, 5W DC Timed controls: Arduino Uno (5min on/55min off Pump, 16h on/8h off LED) I have built a simple circuit for timed controls of the water pump. This comprises of 12DC input from a constant voltage (12v, 30W) plug and IRF520 MOSFET module for control of the water pump. The Arduino o...

I'm looking for an experienced individual who can proficiently integrate a 20V LED strip and a 12V pump into a singular circuit for my hydroponics setup. The key functions required for my hydroponics system include: am building a small, table top hydroponic system for use in a home. This circuit will require timed controls of an LED grow light and water pump ( + inputs from buttons in the future). The components I am using are: LED grow strip: rated at 20v, 350mA DC Water pump: 12v, 5W DC Timed controls: Arduino Uno (5min on/55min off Pump, 16h on/8h off LED) I have built a simple circuit for timed controls of the water pump. This comprises of 12DC input from a constant voltage (12v, 30W) plug and IRF520 MOSFET module for control of the water pump. The Arduino o...

I'm in need of a skilled electronics ...compare a reference voltage to the battery voltage and using a PMOS switch to disconnect if required. There are a number of key criteria that must be achieved and are non-negotiable. - The passive current of the total circuit should be as small as possible <50uA, currently over 1mA - The design needs to be triplicated (see schematic) - The three circuits must be completely independent of each other, not share components - The components must be rated for 12V and over, otherwise they can't be used - The design must specify all components required and their Digikey part numbers You can modify the existing circuit or produce a new circuit using discrete components or provide off the shelf solutions. All options consid...

I'm seeking a skilled electronic engineer to design a 12V motion sensor alarm that's enhanced with a siren and key fob remote. This is a device focused on detecting movement with immediate effect as preferred. Key requirements include: - The alarm system gets activated instantly once motion is sensed. - The warning sound must be of a continuous alert type. A successful candidate will have proven experience in electronic engineering, specifically in designing and implementing sensor-based alarm systems. Familiarity with sound design is a plus. Commitment to time sensitivity and efficiency is essential. The chosen candidate should deliver a working prototype.

I'm in need of a dedicated and skilled CAD engineer who can meticulously eliminate DRC (Design Rule Checking) and LVS (Layout VS Schematic) errors for a CMOS-based rectifier design project. Project Requirements: 1. Familiarity with Cadence Virtuoso, as project design and layout software. 2. Ability to accurately clean up both DRC and LVS errors using Virtuoso. 3. A comprehensive understanding of pre-defined foundry design rules that is to be followed strictly. Ideal Skills: • Expert proficiency with Cadence Virtuoso • In-depth understanding of Design Rule Checking (DRC) and Layout VS Schematic (LVS) • Strong technical knowledge in CMOS-based circuit design Clean, error-free designs are essential for successful device f...

I am in search of an expert who can design and build a solenoid for me. The solenoid should be uniquely tailored to perform the following actions: - Pop up and down swiftly in a sequence of three times. - It should have the capability of a digital control for timed activations. - must be able to run on a 12v wiring for long periods of time - solanoid must be held firmly with plate. This unit should be housed in a container that is fully watertight, considering it will be used outdoors with potential exposure to wet conditions. The overall size of the unit must remain within the following dimensions: no longer than 300mm and no wider than 50mm in diameter. Ideal Skills and Experience: - Background in Mechanical or Electrical Engineering - Strong knowledge of digital timin...

I have a wiring diagram for my lighting system. Hardware I am using: - 3.3v to 5v Logic Level Converter Module - NE555 DC Delay Relay (5v version) - DC to DC 12v to 5v Step Down Converter Module (5v, 3a output) - WT32-ETH01 (running WLED) - Wago Connectors - 12v Power Supply I need you to assess my wiring diagram, tell me why it's not working as intended and tell me how to rewire it. I will then follow your instructions. You're required to work with me until it is working as intended. My level of knowledge in this department is low. I can solder etc, but when it comes to understanding wiring diagrams found online, it's beyond my level of knowledge, so I need someone to not only know where I've gone wrong, but to visualise what I need to do in easy-to-u...

I am looking for a skilled electrical or mechanical engineer to develop a 12v motor speed controller specifically for an industrial machine. This controller will primarily serve to regulate and adjust the motor speed as needed. The equipment is designed to function in an outdoor environment and hence, the controller's design should take into account factors such as weather conditions and robustness. Key Requirements: - Proficiency in electrical/mechanical engineering - Experience with 12v motor speed controllers - Knowledge of industrial machinery operation - Ability to design devices for harsh outdoor environments Considering the project's specifications, an engineer with a background in designing control systems for outdoor industrial equipment w...

The project consist in the design of a CM4 carrier board whit specific requirements. All connections with ended with JST connectors, (except the antenna of the AIS, to be decided). The idea is starting from a existing CM4 carrier board ‘open source’, and modify it to add/remove elements, also ‘open source’. Most of the requirements can be found in any CM4 carrier board available with a public license. Description of the elements, interfaces and other requirements follows • Maximum board size 100mmx200mm • Power souce 12v • USB-C • Ethernet • CANBUS (Can provide design sources) • PCIe • SD card slot • LVDS signal + backlight (Can provide design sources) • M...

I'm seeking a proficient PCB designer to develop a Wi-Fi rectenna design for the purpose of energy harvesting. The core requirements include: - Proficient skill set in PCB layout and design with a focus on rectenna structures - Understanding of the voltage multiplication to 5V to generate an output between 5V and 12V - Experience with wireless energy transfer, particularly in building Wi-Fi rectennas - Exceptional knowledge of rectifier topologies, specifically voltage multiplication The end goal is to have a Wi-Fi rectenna PCB that efficiently harvests wireless energy. Your expertise in harnessing this unconventional power source will position the project for success.

I'm seeking a skilled engineer to design a generator set powered by a 40 hp 1500 max rpm tractor's PTO. The design must be versatile, providing both DC for SMAW welding (9-48V, 10-500A) and AC power (15KW, 120 or 240V) for appliances. Required Features: - Utilization of an auto alternator or generator. - 12V or 24V battery system. - Digital or analog inverter - Some form of rheostat control for controlling welding amperage - Considerations for grounding and circuit breakers. - Peak performance at optimal rpms and comprehensive voltage regulation. - Off the shelf components highly desirable, so equipment specifications are more important than exact sourcing - Other than specifications for safe spacing of components, mechanical design is not required. ...

I'm seeking a professional to develop a solar charge controller tailo...maximize the life and capacity of a lithium-ion battery, ensuring efficient energy use. - Light control: It should be programmed to automatically switch on the street lights at dusk and turn them off at dawn. - Overcharge protection: To prevent battery damage, the device should be designed to discontinue charging once the battery is full. - Voltage range: The gadget should function optimally at 12V. Ideal candidates should have experience in the development of solar charge controllers, electronics, power systems, or a related field. Proficiency in battery management techniques and light control systems is also vital. If you have significant experience in lithium-ion battery applications, it will be an a...

I am looking to have a DCC circuit breaker designed specifically for my model train setups. It must be rated for 12V and have the following features: - Overload Protection: The circuit breaker must safeguard against excessive current levels potentially damaging my model trains. - Short Circuit Protection: It's imperative that the breaker can disconnect circuits immediately upon detecting a short circuit. - Fault Detection: No mishaps should go unnoticed. The breaker should be able to identify faults in the circuit promptly. Due to the nature of my project revolving around miniature electronic equipment, an understanding and experience working on small-scale electronics would be ideal. A background in railway-oriented electronics would be a bonus, but not a necessity. Deep kno...

...should be included for setting the price of the product (including the option for a free price), 2. selecting the number of motors (1 to 10), 3. setting the number of stock items (1 to 1000), 4. Stock reset button. EEPROM Storage: User settings should be saved in EEPROM. Out of Stock Notification: The system should indicate when products are out of stock. Technical Specifications: Power Input: 12V DC/AC. Microcontroller: ESP or STM microcontroller with GSM connectivity. Communication: Internet connectivity for displaying live stock on a webpage. Deliverables: - Functional Embedded System: Development of the embedded system with all specified functionalities. - Documentation: Wiring diagrams, functional code and its explanations, and user instructions, troubleshooting meth...

I'm seeking an experienced electrical engineer to design a simple LED circuit for me. The main function of this circuit is illumination. Key attributes and responsibilities of the required design: - This design specifically needs to be for a simple LED circuit. The experience with this type of circuit design is pertinent to this job. - The circuit is expected to operate on power input which could either be solar power or a 12v input. The provision for an optional standalone unit with 18560 batteries should also be included in the design. Hopefully using tp4056 - The selected designer is expected to possess a deep understanding and experience of power management, and preferably previous design experience of solar/18560 powered circuit...

J’ai un roman de science-fiction en français qui nécessite une correction professionnelle. Le roman comporte environ 48,000 mots. Pour ce projet, je recherche un expert en révision et édition pour : • Corriger la grammaire et la syntaxe (français européen) • Rectifier l'orthographe et la ponctuation • Améliorer le style d'écriture et la clarté du texte Les compétences et expérience idéales pour ce travail sont : • Un expert en révision et édition et amélioration de textes français • Une expérience en fiction serait un plus • Une aptitude à dépeindre les émotions et les environnements complexes ...

I am seeking a proficient designer/engineer to develop a Xenon Strobe Beacon with a specific focus on vehicle safety. This design + Gerber file + Layout + BOM will require: - Functionality for both indoor and outdoor use - Maximum visibility up to a short range of 100 meters By supplying 12V to PCB, Flash should be ON, 3 Flash per Second add temperature sensor

I am seeking an experienced electrical engineer to design a 12V battery charging circuit specifically for a lead-acid battery. The objective is to develop a design that is efficient and practical to implement. Key Requirements: -THE BUTTON PRESSED FROM THE OUTSIDE WILL PROVIDE 12V OUTPUT TO THE CARD - The input voltage for the charging circuit needs to be 24V. The successful candidate should have a proven track record in circuit design, particularly in chargers for lead-acid batteries. You should demonstrate understanding of safety requirements and efficiency metrics. Skills and Experience: - Expertise in Electronics and Circuit Design. - Understanding of lead-acid battery charging. - Familiarity with testing and validation proceedings. - Kno...

...collaborate on the development of a cutting-edge prototype right here in Islamabad Pakistan. Project Overview: We're embarking on the development of a prototype with two main components: Aluminum Assembly: This component will be designed using CNC machines based on provided design ideas and images. Your tasks will include creating Solidworks 3D designs and executing prototype development. Light Fixture: Positioned above the moveable assembly, this fixture will include a red hazard light powered by a 5W system. It will feature a 12V 7AH lead-acid battery with specific charging and discharging times, along with a solar panel rated at 18V - 6.5W. Importantly, all components must be integrated within the assembly, and designed to withstand harsh weather conditions. I...

I'm looking for an experienced electronics circuit designer to help me with my home appliance. This project is centered around designing a functional electronic ci...electronics circuit designer to help me with my home appliance. This project is centered around designing a functional electronic circuit that supports both task lighting and decorative lighting. To provide better detail: table top (no cable) task light small simple pcb (low batch of say 40 units) battery (rechargable) supply (12V LiFePO4) single MR16 7W cob lamp please see attached pdf It is ideal that the freelancer has good experience in electronics circuit design specifically for home appliances, and in the creation of circuits that support different lighting functionalities. The files would include...

Hey, I am looking for someone who will Design Hardware for ESP32 (Lighting with WS2815). I will do software by myself 1. Power Supply - Battery-operated - 2x18650 batteries connected in series - Ability to be powered by 12v (mains adapter) 2. StepUp to 12v for powering the programmable WS2815 LED strip (unless someone convinces me that it's better to use WS2813 with StepDown) - Power consumption for the LED strip, at least 50W, max ~200W - Logic level converter required from 3.3v -> 5v 3. StepDown for powering the ESP32 4. OLED display 128x64 I2C 5. Measurement of power supply voltage and power consumption 6. Power activation via a mechanical switch 7. 2x rotary encoder with button 8. Connector for programming the ESP32

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I am seeking a skilled electronics engineer with experience in automotive development to create a controller for inflating and deflating tyres on a 12V vehicle, specifically a car. The key requirements include: - Ability to autonomously control solenoids' opening and closing based on pre-set and adjustable pressure readings, with no manual interaction required. - Capability to accommodate various tire pressure readings for different driving conditions, such as off-road and high-speed highway settings. The ideal candidate will possess strong problem-solving skills and a demonstrated background in similar automation projects. Knowledge of automotive systems, particularly tyre pressure management, is essential. Familiarity with different driving conditions will also be benefici...

Hi guys I need a simple Arduino to able to do a launch control for four cyl motorbikes, trigger per button The rpm sensor is hall. Coils and injectors run 12v Need to able to set the gain (cut times) and amount of retard of the ignition, this is an idea if you have a optimal way let me know.

...specialized radio applications. This unique and challenging project requires the design and implementation of an amplifier that can elevate a 12V supply through a transformer to output 10kV to power a neon lamp with frequency switching capabilities. Here’s a concise overview of my requirements and the ideal skills I’m looking for in a freelancer: **Core Requirements:** - **Design a voltage amplifier** that takes a 12V input and outputs at 10kV to drive a neon lamp, indicating a successful boost in voltage. - **Frequency switching range** should be versatile, accommodating anything from 10 Hz to 30 kHz, to suit a variety of applications and experiments within the radio domain. - **Custom Transformer Design:** Development of a 12V/10k...

I need a proficient, detail-oriented individual to design and manufacture an H bridge circuit and PCB for motor control purposes. The system will specifically be catering to a DC motor. The expected voltage range the system needs to handle is from 5V to 12V. Requirements include: - Experience creating and fabricating complex circuits - Understanding of motor control systems - Knowledge on working with DC motors - Experience handling voltages between 5V to 12V Ensure you have a proven history demonstrating these skills, as the specifications need to be strictly followed. Your understanding of these requirements and your capability to execute this task will be a deciding factor when awarding the project.

...device. If we off the device still the battery will charge. The second wire connection is for LED indication for AC or Battery operated and charging with AC or battery full. 6 Third wire connection for three different output (12V,5A), (12V,4A) and (24 V, 2A). The fourth wire connection is for the solar panel which charges the battery. The fifth wire connection is for battery charging, for a battery of 12V, 7Ah which requires a 14V, 1A for charging. Provide extra charging connection for another battery charging, having battery capacity of 12V, 18Ah, which requires 12V, 5A for charging. The sixth and seventh wire connections are for detecting whether the solar panel is connected correctly or not. If the correct wire connection is then the green LED will ...

I'm seeking a talented electronics engineer to design a high-frequency inverter circuit. - *Project Purpose*: Convert 12V DC to 230V AC for powering small appliances with 12Amps Solar Charging Feature with necessary LED indicators. - *Specifications*: - Output Power: Manage loads from 100W to 500W - Safety Features: Must include overload and short circuit protection *Necessary Skills*: - Experience in Power Electronics - Circuit Design Proficiency - Familiarity with PCB Layout *Ideal Candidate*: - Someone who has successfully designed inverters and can provide examples. Please submit your proposal with a plan of action and your experience with similar projects.

Looking for a skilful electronics engineer for the design of a Raspberry Pi CM4 base board that suits a specific custom size. To meet users' needs, this project entails incorporating Ethernet connectivity, USB ports, LVDS video, CANBUS, and 12V into the board design. The design has to be done starting form an 'open source' base and adding other 'open source' designs, all together. Applicants with extensive experience in Raspberry Pi, IoT, PCB development,and customized electronics hardware design will be ideal for this project.

...intricate electronic designs, I invite you to be part of this exciting project. Essential Requirements: - Experience in PCB layout and design - Familiarity with lithium-ion battery charging circuits - Understanding of voltage regulations for 3.3V, 5V, and 12V outputs - Ability to deliver a design catering to an indoor environment - Proficiency in PCB design software (e.g., Altium, Eagle, KiCad) Key Deliverables: - PCB design files that fit within a 5 cm x 5 cm to 10 cm x 10 cm dimension - Schematics supporting 2A current for 3.3V, 5V, and 12V outputs - BOM (Bill of Materials) specifying components optimized for lithium-ion battery charging - Documentation outlining design choices and instructions for assembly Ideal Characteristics: - D...

...expertise in ESP32-based systems. Our project requires a robust PCB design that can handle spikes, short circuits, and a 12V input. Additionally, the board will integrate a TFT display and several other components. Key Responsibilities: - Develop a detailed schematic for an ESP32-based system. - Ensure the design can handle electrical spikes and short circuits effectively. - Design the PCB to support a 12V input. - Integrate a TFT display and additional specified components into the design. - Provide a complete set of deliverables: PCB Gerber files, Bill of Materials (BOM) with manufacturing part numbers, and Pick and Place files. Requirements: - Proven experience in PCB design, especially with ESP32 modules. - Ability to design ...

...experienced circuit designer who can create a pulse charging circuit for a 12V or 24V battery. This circuit will need to be compatible with a 500watt, 44V, 12 A max solar panel. Ideally, you should be proficient in: - Designing circuits with a Pulse Width Modulation (PWM) generator - Building circuits that trigger a Mosfet, IGBT, BJT, or an equally efficient transistor - Engineering circuits with a charging voltage exceeding 100V - Regulating frequencies in the range of 0-10kHz. - Efficiency is crucial here. Don't want too much wasted energy in heat or heat dissipation, or waste half of the energy if it is 50% duty cycle. This is an opportunity to demonstrate your in-depth knowledge in electronics and circuit design. A robust understanding and experience of power el...

I am in need of a professional with solid experience in Gerbe...140mm and 88mm, are required for my project. I have photographs of both existing boards for reference. Key Aspects: • Creation of 2 Gerber files for LED PCB boards • PCB boards are of diameters 140mm and 88mm • Boards are for a 12V voltage arrangement Ideal candidate should have: • Proficiency in LED PCB board design • Familiarity with Gerber file creation • Ability to work off of photograph references • Experience with 12V LED circuits While I do not have the original design files, I have photos of both boards that should prove useful. Your task would be to design new, similar boards with minor dimensional updates. Your expertise in creating Gerber f...

...who can design a PCB circuit for an SMPS that takes a 220V AC supply and delivers three outputs: 24V, 12V, and another 12V. The circuit should be capable of handling a maximum output current of 10A. Additionally, it should include provisions for solar panel battery input, as well as a separate unit for battery charging. Also, the whole circuit should work with the battery as well in case of no AC input. Components: I am open to suggestions for specific components that need to be incorporated into the design. Complexity: The PCB circuit design should be of moderate complexity. Key Requirements: PCB Circuit Design: Create a robust and efficient PCB layout for the SMPS circuit. SMPS Expertise: Demonstrate a deep understanding of Switched Mode ...

...am in need of an electrical design engineer who can create a circuit for a water heater with specific requirements. The circuit must be able to control a heater cartridge that heats water to a desired temperature range of 30-50°C. The circuit should operate on 12V DC power. Size Requirement: The client is unsure of any specific size requirements for the circuit design. Therefore, the size can be flexible as long as it meets the functionality requirements. Preferred Method of Temperature Control: The client prefers to use a temperature controller tape with manual adjustment for temperature control. Ideal Skills and Experience: - Strong background in electrical design engineering - Experience in circuit design for temperature control systems - Fam...

PCB Design Project I am looking for a PCB designer who can help me with a simple PCB design project. The design complexity level is simple, and I have a specific size requirement for the PCB. Skills and Experience: - Proficiency in PCB design software - Knowledge of PCB manufacturing processes and standards - Ability to work with specific size requirements - Experience with simple PCB designs 2 sided PCB APPLICATION: Application of the PCB are in an actuator with 2 DOF with two motors,as per image attached. There is a need of two types of PCBs, Encoder PCB Controller PCB PCB specification: Encoder PCB : (Dimension 19 mm x 19 mm) Encoder reads the output rotation of the actuator, and links with other encoders by RS485 protocol. Encoder should be an absolute ...

...and current controller kit that leverages a Silicon Controlled Rectifier (SCR) and a microcontroller for the primary purpose of regulating voltage and current for various electronic devices. For the microcontroller, I prefer to use the STM32. Key specs include: 1. Adjustable voltage and current levels: The controller must be tunable to accommodate different device requirements. 2. Integrated Display: A feature to constantly show current voltage and current readings. 3. Safety Measures: It should have in-built overvoltage and short circuit protection to safeguard electronics from potential damage. Ideal candidates should have experience with STM32 microcontrollers, SCR, voltage and current regulation systems, and basic UI design for the display. Additionally, understandin...

I'm seeking a proficient consultant to design a small-scale, eco-friendly refrigeration unit that caters to both residential and commercial mobile usage. • The design should maximize energy efficiency and be adapted for 12/24 voltage compressors. Hi, I have a design concept I would like to create using a 12v compressor. The compressor/ condenser currently cools an evaporate plate in a 12/24v fridge. I want to modify that by removing evaporator plate and in turn fit copper tube in a spiral configure to fit a can for rapid cooling a beer or can of drink......I can send a pic if u like. I have a picture • The refrigeration unit must fit within a confined space/small enclosure with specifications TBC. I am looking for a prototype to ensure concept...

...help me with a personal project involving a stepper motor. The specific application of the stepper motor is to create a shift system for an out-dated OMC marine application. I already have a working version but need to replace the motor with a stronger one and add an encoder. Project objectives: 1. Robustness and reliability of system is top priority. Please choose only quality components. 2. Design PCB to mount Arduino Nano, Pololu Tic 36 v4 and board to wire terminals directly to new PCB. 3. Add Encoder and re-code Arduino sketch as needed. I have picked a matching encoder form Nanotec but this may not be the best choice for this setup, I am open to whatever encoder will work best but prefer to keep the motor/gearbox/stepper combination from Nanotec as a package. 4. Add a ...

I am looking for a freelancer with beginner to intermediate level programming experience to code and build an Arduino-based system. The system should sync 12v water pumps to music, with the desired outcome being frequency, beat and amplitude matching. The goal is to take music in through a 3.5mm connection, split the frequencies up into at least 7 groups using something like an MSGEQ7 in real-time, then using this information trigger the pumps based on both the frequency and amplitude, creating a water-based music visualizer so that the strength of water flow through the pumps matches the amplitude of the given frequency. Instructions should be included on how to modify the code so that we can adjust a minimum threshold for turning a pump to an on state, and how strong the water fl...

...preloaded SD Card to Teensy to Audio Codec to Audio Amp to a Speaker (10 w). Desired Output: - The main function of the app is playback. User Interface: - The audio app will have a user interface that utilizes 3-gang starswitch for selections (000-199). Three switches: START, PAUSE (Looong selections require this),END (selection). Analog VOL control, Lo to Hi Power: Wall plug-in: 110V AC to 12V DC, 1 Amp Audio File Format: - The preferred format for the audio files is not specified, as the app should be able to play various formats such as MP3 and WAV. Skills and Experience: - Experience with Teensy microcontrollers and audio codecs. - Proficiency in programming languages such as C++ or Arduino. - Knowledge of audio file formats and playback. - Ability to integrate hardwar...

...designer to create a charger circuit for me. Your task is to design a circuit that converts 220V AC to 12V DC, powerful enough to charge a 23A battery. Key Project Details: - The circuit should include an autocut feature for efficient charging. - I have no specific dimension requirements; the design can be standard size or compact. - Feel free to use either basic or advanced components as long as they are available in the market. Additional Requirements: - Provide all component values and necessary calculations. This is crucial as I will be implementing the circuit myself. - Design and simulations done on Proteus 8 will be highly appreciated to ascertain the circuit's functionality. Ideal Skills & Experience: - Experience in circuit design...

We're looking to replace our current double-acting pneumatic cylinder, SMC's CG1ZN50-25Z, with a high-performance, fast 12V solenoid actuator. The freelancer's task involves analyzing the specifications of our current system, researching and recommending suitable solenoid actuators, providing technical advice for integration, creating an implementation plan, and documenting the process. We require someone with expertise in mechanics and electromagnetism, specifically in pneumatics and solenoids, who can ensure a seamless transition to the new system This project will take place in a high temperature operating environment, so experience working under such conditions is necessary.

Car off grid 12v systems 12 volt installations Motorhome electrical Marine electrical