Hire the Best Microcontroller Programmers
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7 years at Intel as an Electronics Design Engineer, now independent — every Upwork project rated 5.0. Tier-1 semiconductor companies bring me in for overflow PCB layout; for startups, I'm the expert they can't hire full-time. I'm the engineer to call when a board is too complex, too fast, or too power-hungry to get wrong on the first spin — or when you need measurements you can actually trust. Not the cheapest bid; the one who gets it right. To date, each board I've designed has come up working the first time. "Within minutes it was obvious he understood the problem at a level I hadn't encountered before — he was already asking questions our own team hadn't thought to ask. They found several issues that would have been a nightmare to deal with after the fact ... the board went to manufacturer on time, and I actually felt good about it. What I appreciated most was that Ethan just owned it — the same attention to detail that caught those issues carried through the entire engagement." — Daniel L., Founder, VC-backed hardware startup · February 2026 Need one engineer to own your whole board, concept to debugged hardware? Or extra senior hands on an overflow layout? Either way, you get the same silicon-grade rigor. Through my firm, EGS Engineering, I cover the full range of electronics and PCB design — a broad base of everyday board work, with deep specialization in two areas: ▸ HIGH-COMPLEXITY COMPUTE PLATFORMS — high-speed, high-power, high-density boards for datacenter and AI hardware (CPUs, ASICs, SoCs, FPGAs), power delivery into the hundreds of amps, and silicon validation. ▸ PRECISION MEASUREMENT & TELEMETRY — trustworthy measurement chains from nanovolts to volts, modeled, calibrated, and lab-validated. ──────────────────────────────────── SPECIALTY 1 — HIGH-COMPLEXITY COMPUTE PLATFORMS The hardest class of digital hardware: high-speed, high-power, high-layer-count, high-density boards with thousands of components. • Full-board ownership around CPUs, ASICs, SoCs, FPGAs, and MCUs — architecture, schematic, layout, and bring-up • High-speed interfaces under real signal-integrity constraints: PCIe Gen4, DDR3L, LPDDR5, DRAM, ONFI/NAND, eMMC/SD, USB, HDMI, I2C, SPI, I3C, and custom buses • Up to 24-layer stackups owned end to end — signal integrity, power integrity, and DFM/DFA locked before release, so you don't burn a fab cycle and weeks of schedule on a respin. • Power Electronics — multiphase VRMs up to 12 phases and 360 A, and the board/package PDN around them, kept within spec at hundreds of amps: model extraction, PDN/PI simulation, regulator tuning, and validation against target-impedance and transient budgets. • SSD validation platforms exposing the controller, NAND/Optane media, rails, and PCIe — custom sockets, breakout/pathfinding, instrumentation, bring-up, debug, and firmware support. ──────────────────────────────────── SPECIALTY 2 — PRECISION MEASUREMENT & TELEMETRY Measurement you can stake a design decision on. I don't just drop in an ADC and hope for the best. I architect the entire measurement chain, model it, extract and ingest models, and design the calibration and validation so the numbers on the screen actually mean something. • Architected and led teams to build TWO mixed-signal measurement platforms (precision analog front ends + FPGAs) delivering accurate power and temperature telemetry for storage and memory devices • Front ends spanning nanovolts to volts and milliamps to hundreds of amps — architected, modeled, and lab-correlated so the reading is one you can defend in a design review, not one you have to take on faith. • Precision AFEs (INA / op-amp), ADCs, voltage references; temperature sensing via thermistors, RTDs, and BJTs; TEC control • Modeling and validation: SPICE, MATLAB/Simulink, Python — model extraction, lab correlation, Bode, load-step, calibration ──────────────────────────────────── Start small if you want to: send me your specs or invite me to your job and I'll give you an honest read on scope, risk, and whether I'm the right fit — that first conversation is on me. Need a deeper answer before you commit? I also offer paid scoping consultations — a written risk and architecture assessment you can act on. Either way, you'll know exactly where you stand before any real work begins.

I am a Red Seal Journeyman Instrument Technician with excellent real-world experience in programming PIC, Arduino devices, designing electronic circuits, and printed circuit boards (PCB's). I have extensive experience designing and building data acquisition systems and am proficient in designing/building/programming multiple PLC's from various manufacturers. I also have a great deal of experience designing and building control systems for rolling/skid mounted equipment. This includes Engine/Transmission ECU/TCU communication and control, electric/hydraulic, electric/air, pump and valve control, interior and exterior lighting systems etc. I have created stand-alone data acquisition and control software on multiple projects using Labview, .NET, and Xojo. I am able to program for Windows, Mac, and Linux operating systems and also have web experience using html, php, css, mysql, and sqlite. I would be happy to assist you with your project.

🅻🅾🅾🅺🅸🅽🅶 for new challenging projects which will allow me to keep growing and use my talents to the maximum. I am available for up to 30 hours bi-weekly. My fields of expertise are: • Communication: ZigBee, Bluetooth, CAN, RS485, I2C, RS232, SNMP, MODBUS, USB, DNP3, TCP/IP, 3G • Writing application for microcontrollers • Testing • Design system architecture: microcontroller + database + cloud + mobile app • Prototyping on single board computers like Raspberry Pi or BeagleBone • Bring to life custom prototype boards • Improve the code performance • Bug fixing • C / C++ code review • Writing PC utility program I can solve your problems fast, efficient not compromising the quality. Thank you for your time. P.J.

An experienced, self-motivated software and electronics developer with a proven record of producing successful and reliable products. Widely traveled with plenty of customer-facing experience. Specialties: Embedded programming in C, C++ and Assembler (30+ yrs). PC Programming in C, C++, Delphi, VB, SQL (25+ yrs) Mobile device programming in Java (Android Studio), B4A (7 yrs) (Anywhere Systems) and C++ (AppMethod) Electronic Design & Troubleshooting (30+ yrs). PCB Design Customer liaison (both Technical and Sales support) Full Member, IEEE Technologies: STM32 (ARM), PIC, PSoC, Atmel, Silabs, Arduino, ESP32, BLE, Bluetooth, Iridium, GSM, LoRa, NFC, IMU, DSP, Modems, MEMS, Vending Machines, Card Readers, Coin and Note Acceptors. Low Power (battery) Programming Bare Metal and RTOS. Use of IAR, STM32, Silabs, Atollic, Keil, Atmel, Arduino toolchains.

CanadaTronix Automation Based in Canada Ontario Founder & CEO Automation and Robotic Specialist __________________________________ Company: CanadaTronix Automation (Canada ON) _______________________________________________________________ We are based in Canada, Peterborough, Ontario. We have more than 10+ years of experience in hands-on Automation and electrical control systems including (Mechanical, Hydraulic, Pneumatic). PLC/HMI/SCADA, and Microcontroller Expert Power electronic system design , implementation and maintenance. -Microcontroller based project Design and programming -Robot Programming and interfacing with PLC -Motion control and servo -AC drive control and interface -mechanical, pneumatic, hydraulic control systems AB Rockwell Automation ________________________ SLC5, MicroLogix, ControlLogix, CompactLogix, Micro800 Siemens _________ S7-300,400, S7-1200/1500, 200M Schneider __________ Premium, TSX Micro, Modicon OMRON _________ NX102,NX1P, CP1E Electrical Design and Drawing ________________________________ AutoCAD, EPLAN Electrical and P&ID Delta - DVP - SS2 Mitsubishi -FX3G and more HMI ___________ -Siemens - Unified Comfort Panel(MTP), Comfort Panel (TP), Basic (KTP) -Rockwell - Panelview -Omron - NA series, NB series Schneider - Harmony GTO, Harmony STO/STU - Automation direct Software and IDE __________________ Delta - DOP 110 SCADA FactoryTalk View SE, ME GE Cimplicity, Ignition SCADA Software Sematic manager, Step7, TIA Portal, Rslogix500, RSlogix5000, Studio 5000,CCW, FactoryTalk View ME/SE, Codesys, PL7, UnityPro, Sysmac Studio, CX-Programmer, ISPSoft, GXworks 2 and 3, WPLSoft, EcoStruxure, Cimplicity, Communication Profinet, OPC-UA,EIP, Modbus, EtherCAT, MQTT Servo Festo, Omron

Dedicated, innovative, problem solving, self-starter, with over 20 years of software and hardware experience, including extensive work with embedded real-time systems. Founder of Laurel Creek Systems, providing software and hardware design and verification services, specializing in IoT, embedded and real-time software. Services include AWS cloud, board layout, bring up, hw/sw design test and debug.