Electronics

I’m building a line-following robot that must stay small yet reliably drive two 4 A motors and read a bank of analog QTR sensors. I need a concise, ready-to-route PCB package that covers: • Schematic... (Budget: $10 - $30 USD, Jobs: Analog Electronics, Bill of Materials (BOM) Analysis, Electrical Engineering, Electronics, Embedded Systems, Motor Control, PCB Layout, Product Design, Robotics, Simulation)

A one-week assignment is ready for someone in or around Indore who can jump straight into Embedded Systems / IoT Programming with a strong emphasis on microcontroller programming. The work is mainly hands-on... (Budget: ₹3000 - ₹6000 INR, Jobs: Arduino, C Programming, C++ Programming, Debugging, Electronics, Embedded Systems, Microcontroller, Programming, Software Development, Troubleshooting)

I have a draft schematic and preliminary bill of materials, but before I lock anything in I want to be absolutely certain every resistor, capacitor, transistor, IC, and power-handling part is sized correctly... (Budget: $250 - $750 USD, Jobs: Bill of Materials (BOM) Analysis, Circuit Design, Component Engineering, Documentation, Electrical Engineering, Electronics, PCB Layout, Prototyping, Simulation, Thermal Analysis)

I need someone who is physically in Napoli to pick up a small electronics item for me, pay for it at the store, and arrange secure, trackable shipping to my address. The specific model and shop details... (Budget: $10 - $30 USD, Jobs: Customer Service, Customer Support, Electronics, English Translation, Logistics, Photography, Product Sourcing, Shipping)

Quero criar uma placa DMX controlada por Arduino / ESP32. A ideia é ter um hardware compacto que converse via protocolo DMX-512, faça integração com sensores e possa ser facilmente programado no Arduino IDE... (Budget: $8 - $15 USD, Jobs: Arduino, Automation, Circuit Design, Electronics, Embedded Systems, Microcontroller, PCB Layout, Prototyping)

I need a compact DVB packet processor written in Verilog that runs on a Lattice iCE40 FPGA. The sole task is packet filtering—specifically PID filtering—restricted to one selected PID at a time. Scope... (Budget: $250 - $750 USD, Jobs: C Programming, Digital Design, Electronics, Embedded Systems, FPGA, Microcontroller, Signal Processing, Simulation, Verilog / VHDL)

I’m building a compact dive robot dedicated to search-and-rescue missions in shallow waters and need an engineer who can turn the concept into a working prototype. The unit’s core task is to locate and... (Budget: $15 - $25 USD, Jobs: 3D Design, 3D Modelling, 3D Rendering, CAD/CAM, Electronics, Mechanical Engineering, Product Design, Robotics)

-We need STEM trainer preferably from Engineering background – Electronics/CS/Mechatronics streams. -The trainer will handle sessions for – 3D Printing/Arduino/Autonomous Car/Robotics/Robotic Arm/ Digital... (Budget: ₹100 - ₹350 INR, Jobs: 3D Printing, Arduino, Blog Writing, C Programming, C++ Programming, Electronics, Mechatronics, Python, Robotics, Training)

PHYSICAL project - MUMBAI location preferred (other Indian cities possible) If you are from another city - this may not work out. --------------------------------------------------------------------------------------------------... (Budget: ₹12500 - ₹37500 INR, Jobs: Arduino, Electronics, Embedded Systems, iPhone, Lighting Design, Mobile App Development, Sound Design)

My Hyundai Portable Power Station HPS1600 has developed an AC-side fault. The DC section still charges and powers devices flawlessly, but the moment I switch to the 240 V AC outlet the inverter runs for a few seconds and then drops out... (Budget: $250 - $750 AUD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Signal Processing, Soldering, Troubleshooting)

I'm looking for an experienced electronic designer to create a control card for our furnaces. The card must be controllable via both Bluetooth and WiFi. Key requirements: - Functions: Temperature regulation... (Budget: $250 - $750 USD, Jobs: Bluetooth, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Product Design, WiFi)

I need detailed 1-line and 3-line diagrams for an off-grid battery/inverter system. Key Components: - 2 Inverters - 8 48V Batteries - 250V and 120V outlets for industrial equipment Connection: Parallel... (Budget: min $50 USD, Jobs: Electrical Engineering, Electronics, Power Generation, Renewable Energy Design, Technical Documentation)

I already have every component for my motorized electric scooter—frame, wheels, controller, throttle, and a long-range power-extended battery pack. What I’m missing is a skilled hand to put it all together and make sure it runs safely and efficiently... (Budget: $25 - $50 USD, Jobs: Assembly, Electrical Engineering, Electronics, Local Job, Mechanical Engineering, Microcontroller, PCB Layout)

I have a running Allen-Bradley RSLogix 5000 application—PLC logic and accompanying HMI screens—that controls a process plant. We’re retiring the AB hardware and need the entire solution rebuilt in Siemens TIA Portal for a new TIA Portal Controller... (Budget: $750 - $1500 USD, Jobs: Electrical Engineering, Electronics, Engineering, PLC & SCADA, Process Automation, Simulation)

I already have the core hardware—a Raspberry Pi 5 (8 GB), RPLIDAR, ODrive dual-motor controller, and two BLDC e-bike hub wheels—and I want to turn this kit into a working indoor robot that can carry food... (Budget: ₹12500 - ₹37500 INR, Jobs: C Programming, C++ Programming, Electronics, Embedded Systems, Prototyping, Python, Raspberry Pi, Robotics)

According to specs and sow in project files. (Budget: $250 - $750 USD, Jobs: Electrical Engineering, Electronics, Embedded Systems, Microcontroller, PCB Design and Layout, PCB Layout, Prototyping, Signal Processing)

I want to turn my concept for an analog, multi-sensor perceptron into a working, test-ready design. Three inputs—light, temperature, and humidity—must be buffered, filtered, and routed into weighted-sum networks built with resistors and precision op-amps... (Budget: ₹37500 - ₹75000 INR, Jobs: Analog Electronics, Circuit Design, Electrical Engineering, Electronics, Microcontroller, PCB Design and Layout, Signal Processing, Verilog / VHDL)

I need a straightforward schematic that shows how to create a three-coil rotating magnetic field using the energy already stored in each coil’s flyback. The goal is to keep the part count as small as possible—no microcontroller, no complex driver IC—just readily available retail components... (Budget: $10 - $30 USD, Jobs: Analog Electronics, Circuit Design, Electrical Engineering, Electronics, Microcontroller, PCB Design and Layout, PCB Layout, Prototyping, Signal Processing, Simulation)

I’m building a small gas-engine rig and need a custom PCB that links three elements: my existing 12 V-output remote control, a row of manual toggle switches, and the engine’s start/stop and throttle inputs, an electric clutch, and a linear actuator... (Budget: $1000 - $2500 USD, Jobs: Circuit Design, Electrical Engineering, Electronic Design, Electronics, Embedded Systems, Microcontroller, PCB Layout, Prototyping)

I need a solid Siemens-based PLC program that keeps an entire food-manufacturing line running smoothly. The key requirement is precise conveyor-belt speed control for every section of the line, including coordinated starts, stops and line-balancing logic... (Budget: $750 - $1500 USD, Jobs: Electrical Engineering, Electronics, Microcontroller, Motor Control, PCB Layout, PLC)