Electronics

I need a straightforward, component-level design for a high-current buck/boost converter that can take 16 V – 60 V DC and deliver a stable 48 V output at up to 150 A for mixed industrial loads. A small tweak via a potentiometer must let me step the output down to 24 V when required... (Budget: ₹600 - ₹1500 INR, Jobs: Circuit Design, Electrical Engineering, Electronics, PCB Layout, Simulation)

I'm seeking an experienced Allen-Bradley PLC programmer for support on various ongoing jobs. Key Tasks: - Programming - Debugging - Troubleshooting We will be working on development, retrofitting, and improving control methods... (Budget: $25 - $50 USD, Jobs: Automation, Debugging, Electrical Engineering, Electronics, Engineering, Microcontroller, PLC, Troubleshooting)

I need a practical, end-to-end solution that lets me drive a bulldozer’s tracks from a control station over wired Ethernet. The bulldozer exposes its controls on the CAN bus, so the job splits into two... (Budget: $15 - $25 USD, Jobs: C Programming, C++ Programming, CAN Bus, Desktop Application, Electronics, Embedded Systems, Microcontroller, Python)

I’m developing an ultrasonic plastic-tube sealing system for our R&D line and need a working control package for the two Panasonic servo motors that rotate the sealing jaws. Each motor must run independently with adjustable speed, direction, and torque... (Budget: $250 - $750 AUD, Jobs: Arduino, Automation, Electronics, Embedded Systems, Local Job, Microcontroller, Motor Control, Python, Raspberry Pi)

I’m an independent U.S. inventor working on a new unparalleled project of convenience and I am in need of a USB-C compliant PD module designer. The specs are as follows: • Fits within 70 mm × 50 mm ×... (Budget: $25 - $50 USD, Jobs: CAD/CAM, Compliance, Electrical Engineering, Electronics, Freelance, Freelancer API, Mechanical Engineering, PCB Design and Layout, PCB Layout, Product Design)

I have an ESP32-S3 module with an electret mic wired to a single GPIO pin. I need firmware that continuously listens for the three common emergency-vehicle siren patterns—WAIL, YELP and HI-LO—and then writes a clear, human-readable message to the serial console whenever one of them is recognised... (Budget: $250 - $750 USD, Jobs: Audio Processing, C Programming, Digital Signal Processing, Electronics, Embedded Systems, Microcontroller, Signal Processing)

I have a compact rectifier module dedicated to battery-charging duties. Unfortunately, there is no documentation to reference, so the physical board in front of you will be the only source of truth. I... (Budget: ₹37500 - ₹75000 INR, Jobs: Arduino, Circuit Design, Documentation, Electronics, Embedded Systems, Microcontroller, PCB Layout, Reverse Engineering)

I’m building a results-driven program for women who want to burn fat, tone up, and feel confident without living in the gym. To bring this vision to life, I need a fitness professional who can create a... (Budget: $250 - $750 USD, Jobs: Electronics, Nutrition)

I want to create a short series of professional-level classes that teach inverter control techniques and the simulation of inverter systems in MATLAB/Simulink. The material is aimed squarely at industry... (Budget: ₹1500 - ₹12500 INR, Jobs: Control Engineering, Electrical Engineering, Electronics, Engineering, MATLAB, Matlab and Mathematica, Simulation, Training)

Power Electronics expert required for fixing Power converters simulations and add more extended work to it (Budget: ₹600 - ₹1500 INR, Jobs: Control Engineering, Electrical Engineering, Electronics, Engineering, MATLAB, MATLAB/Simulink, Power Converters, Signal Processing, Simulation)

Help with High School Business Incubator Class Project. Students need help with Code update/rewriting from a project idea they found online. The orginial idea for the proect was posted in 2017 on Hacker.io but it appears they need updated componets/code... (Budget: min $50 USD, Jobs: Arduino, Bluetooth, C Programming, C++ Programming, Electronics, Embedded Systems, GPS, Microcontroller, Motor Control, Robotics)

I need a constant-current LED driver for runway lighting that can reliably deliver between 50 W and 100 W while maintaining a power factor above 0.95. The driver must tolerate a 6 – 60 V AC input and provide a clean, flicker-free output suited to precision AGL fixtures... (Budget: ₹12500 - ₹37500 INR, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Software, PCB Layout)

I need a production-ready PCB that lets a 38-pin ESP32-WROOM module act as a compact controller with all of its peripherals neatly laid out. Power comes in at 12 V through a two-pin screw terminal and... (Budget: ₹1500 - ₹12500 INR, Jobs: Electronics, Embedded Systems, Microcontroller, PCB Layout)

I am refining the next-generation version of our digital stethoscope and the priority is adding robust active, adaptive noise-cancellation that can cope with the environmental noise typical on busy hospital wards—human conversation, fan, ventilators humming, trolleys rolling, HVAC systems, the works... (Budget: ₹150000 - ₹250000 INR, Jobs: Analog Electronics, Arduino, Audio Engineering, Digital Signal Processing, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, Signal Processing, Software Development)

I’m building a compact fall-detection unit around an Arduino board and need a working prototype that can reliably sense a fall with an accelerometer and push an app notification to both Android and iOS... (Budget: £20 - £300 GBP, Jobs: Android, Arduino, Documentation, Electronics, Embedded Systems, Microcontroller, Mobile App Development, Mobile App Testing, Signal Processing, Technical Support)

Job Summary Responsible for maintaining, repairing, and installing electrical systems and equipment throughout the hotel property. Ensures all electrical operations comply with safety standards and support the smooth functioning of guest services and hotel operations... (Budget: ₹1500 - ₹12500 INR, Jobs: Building Architecture, Compliance, Electrical Engineering, Electronics, Engineering, HVAC, Installation, Troubleshooting)

-- Job Summary Responsible for maintaining, repairing, and installing electrical systems and equipment throughout the hotel property. Ensures all electrical operations comply with safety standards and support the smooth functioning of guest services and hotel operations... (Budget: ₹1500 - ₹12500 INR, Jobs: Electrical Engineering, Electronics, Engineering, HVAC, Installation, Lighting, Technical Writing, Troubleshooting)

I need a skilled PLC engineer to assist with maintenance and troubleshooting of a Siemens PLC system. The primary task is password recovery. Ideal skills and experience: - Proficiency in Siemens PLC... (Budget: £250 - £750 GBP, Jobs: Automation, Control Engineering, Electrical Engineering, Electronics, Engineering, PLC, PLC & SCADA, Troubleshooting)

I need a production-ready hardware solution that lets a 400 W BLDC motor run smoothly from 0 rpm up to 250 rpm while maintaining full torque across the entire range. I have been studying the STM32 ZeST... (Budget: $750 - $1500 NZD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, Motor Control, PCB Design and Layout, PCB Layout, STM32)

We’re Ardentis Industries Inc., developing Vigil — a next-generation wearable designed for continuous biometric monitoring (heart rate, HRV, sleep quality, temperature, and motion). We’re looking for... (Budget: $1500 - $3000 USD, Jobs: Design Optimization, Electrical Engineering, Electronic Design, Electronics, PCB Design and Layout, PCB Layout, Product Design)