5V 60A Industrial SMPS Design
I need a reliable switch-mode power supply that can accept any mains voltage from 100 VAC to 240 VAC and deliver a rock-solid 5 V at 60 A (≈300 W) for a outdoor...
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LED Strip Driver Calculation
I need a clear, engineer-level calculation that tells me exactly what driver or combination of drivers I should use for a 24 V LED strip run that exceeds 10 m i...
Read moreAdjustable Solar Charger Prototype Design
I need a full end-to-end design for a portable charger that can power smartphones, laptops, and tablets while letting the user pick the exact volts, amps, or wa...
Read moreMulti-Layer PCB Custom Design Needed
Hi I will share the details with the shortlisted candidates. thanks
Read moreBuck-Boost Converter PCB Design
I am looking for an experienced electronics engineer to design a buck-boost DC-DC converter board. The board takes a 24 VDC input and produces two regulated out...
Read moreReplace Two Fan Switches and 2 power socket with red light indicator in it inbuilt.
I need two existing wall-mounted fan switches taken out and replaced with fresh single-speed units. The job is straightforward: disconnect power, remove the old...
Read moreAutomotive Signal Unit km to miles
I need a full-stack hardware/firmware solution that converters can signal km to miles. The heart of the job is a custom, automotive-grade PCB paired with firmwa...
Read moreKiCad USB-C/Temp and Fan control PCB Review
I have a KiCad schematic and board layout ready and now need a second set of expert eyes before sending it to fabrication at JLCPCB. The board carries two USB-C...
Read moreLED Driver Circuit Design
I need a constant current LED driver circuit designed. Requirements: - The circuit should be powered by 48-60 VDC. - It should provide a current range of 200 mA...
Read moreNovel Low-Power MBE Cadence Design
I need a complete Cadence Virtuoso implementation of a Modified Booth Encoder that genuinely outperforms the conventional and PTL-based versions outlined in the...
Read moreMicrocontroller-Enhanced Testing Device Development
I'm looking to enhance a simple voltage testing device with a microcontroller and coding for data capture. The upgraded device should capture: - Voltage levels...
Read moreRoom Outlet Upgrade to 30 Amp
I need a licensed electrician to boost the capacity of one of my rooms so it can safely run high-energy appliances. Right now the space is wired with standard 1...
Read moreWater level sensor board prototype
Need review of a non working schematic to determine why IO and POE aren't working.
Read moreSat>IP Dongle PCB Design
I’m building an ultra-compact dongle that converts satellite TV streams to IP Sat>IP. The core idea is to place a Montage M88RS6060 tuner/demod alongside an Aml...
Read moreQi Smartphone Charger Schematic Design -- 2
I need a complete schematic for a single-device wireless charger that can safely power any Qi-compatible smartphone. Your work should cover the full signal path...
Read moreRadio PCB Design for Prototyping
I'm looking for an experienced PCB designer to create a prototype for a radio PCB. The design should accommodate both through-hole and surface-mounted component...
Read moreOptimize MBE Multiplier Cadence
I am refining an existing Modified Booth Encoder (MBE) multiplier taken from the attached IEEE paper and need your expertise in Cadence Virtuoso (90 nm CMOS). T...
Read moreBluetooth Audio PCB Prototype Design
I am taking our new portable solid-surface speaker from concept to bench and need a compact, production-ready Bluetooth audio PCB that hits all the usual checkp...
Read moreCompact HDMI-GVIF Converter PCB
I need a complete PCB design that converts an HDMI 2.1 signal to GVIF for an automotive project. The board has to fit a tight, in-dash enclosure, so every milli...
Read moreAWR RF Power Amplifier Simulation
I have a complete set of measured S-parameters for each active and passive element in my power-stage, including the coax-balun network. I now want to see how th...
Read moreYagi Antenna Design for HF/VHF
I'm looking for an experienced antenna designer to create a Yagi antenna for both HF and VHF bands, specifically for amateur radio use. Requirements: - Coverage...
Read moreIoT Engineer for Smart Wi-Fi Socket Design - 21/05/2026 08:49 EDT
--- Job Title Smart 16A Socket (Wi‑Fi + App + Energy Monitoring) Job Description I need an IoT / electronics engineer to design a 16A Wi‑Fi smart socket that ca...
Read moreFix ATMS PCB Power Planes -- 2
My almost-finished ATMS board in Altium Designer still has its 5 V rail and ground net incompletely routed. I need a fellow Altium specialist to open the existi...
Read moreCircuito vela LED multicolor
Quiero fabricar una pequeña “vela” decorativa: al prender la llama real quedará un hilo de fibra óptica que guiará luz hasta el circuito, y entonces un LED empe...
Read moreConsumer Device Double Sided PCB Design
I’m a system integrator finalising a new consumer-electronics product and I now need a robust, double-sided PCB designed from the ground up. The schematic is al...
Read moreSmartwatch Hardware Design Specialist
I need an experienced engineer to design the hardware for a smartwatch. Key components to be designed include: - Sensor Integration: Heart rate monitor, acceler...
Read moreIoT Engineer for Smart Wi-Fi Socket Design - 20/05/2026 22:32 EDT
--- Job Title Smart 16A Socket (Wi‑Fi + App + Energy Monitoring) Job Description I need an IoT / electronics engineer to design a 16A Wi‑Fi smart socket that ca...
Read moreArduino Vehicle CCTV System
I need an Arduino-based CCTV solution that will keep watch over my car for security monitoring. The unit has to be fixed on the vehicle itself, so everything—fr...
Read morePlano básico de alumbrado condominio
Cuento con el plano arquitectónico completo del condominio y toda la información de referencia; sólo necesito que coloques el sistema de alumbrado de forma clar...
Read moreAlpha Datapath & Control Logic
I need a complete 32-bit datapath and the accompanying control logic that can execute the Alpha instruction subset consisting of sll, xor, and or. This is stric...
Read moreKiCad Mixed-Signal Schematic to Gerber Generation
I have a completed mixed-signal Schematic circuit drawn in KiCad and I now need production-ready fabrication files. Your task is to take my schematic and genera...
Read more3 ejercios cadesimu,fluidsim y tia portal
EJERCICIO 1, Automatismos Eléctricos: Se dispone de una máquina formada por 2 motores trifásicos, dos pulsadores, S0 (pulsador de paro normalmente cerrado NC) y...
Read moreInnovative Bone-Conduction Device Development
Main requirements: * Device should sit behind the ear on the mastoid bone area * Hidden inside hair so almost invisible during normal use * Very lightweight and...
Read moreHam Radio PCB Design
I need a PCB designed for a ham radio device. The PCB should support the functionality of transmitting signals. Requirements: - Design a PCB specifically for ha...
Read moreLayout Drawings
Will share info while shortlisting
Read moreKiCad 4-Layer Route Fix -- 2
My 4-layer PCB for a 4 G modem is already laid out in KiCad, but several nets are still marked “unconnected.” I need those cleaned up so the board is ready for...
Read moreKiCad 4-Layer Route Fix
My 4-layer PCB for a 4 G modem is already laid out in KiCad, but several nets are still marked “unconnected.” I need those cleaned up so the board is ready for...
Read moreXTEN-AV Engineering Schematics Design
I need detailed engineering schematics for an audio-visual system and would prefer they be created directly in the XTEN-AV platform. The project is strictly tec...
Read moreНалаштування прошивки партії мікроконтролерів ATTiny13
Маю партію мікроконтролерів ATTiny13 у корпусі SOIC-8. Потрібно швидко та безпомилково прошити кожен чип уже підготовленим hex-файлом. Працюватиму через AVRDUDE...
Read moreESP32 4-Relay PCB Design -- 2
I need a production-ready PCB for a new “Urban Proto” 4-channel relay module. The board must be square, as space inside the enclosure is tight, and it needs to...
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