Job
review of my schematic
I have completed a detailed schematic design using Altium Designer for a Brain-Computer Interface (BCI) project, which includes components such as the NXP i.MX 8M Plus processor, ADS1299 EEG analog front-end
Designer
runyuchen
Hardware Design Engineer | Power Supply, Motor Driver, MCU Control Boards
in Shanghai, China, specializing in power supply design, motor driver development, MCU-based control boards, schematic design, circuit debugging, and prototype testing. I help clients develop practical
Designer
yashr1
Expert Electrical / Electronics Engineer
✅ Lead Electrical Engineer with 5 years' experience developing high-volume electronics devices. Track record of 40 IoT and Electronics products with 300,000+ devices used in Consumer, IoT, and Wearable
Designer
yusufkelleyn
Sr RF | Antenna | Power Electronics Engineer
cycle. I can design the schematic, integrate RF and antenna systems, high-speed system, create optimized PCB layouts, and implement embedded firmware for chips such as the MCU, FPGA, DSP. This integrated
Designer
Steven Minichiello
Chief Electrical Engineer
Electrical Engineering Professional with over 3 decades of experience in the System-Level Architecture and Design of Radio Frequency (RF / Microwave / mmWave), Power Conversion (Linear and SMPS), Analog
Job
Universal 12V Agricultural Battery Charger (FR1 & FR4)
Capacitors, Shunts, Displays, and MCU Jumpers) to dictate the final specs.
We need two physical board layouts that share the exact same mechanical footprint, mounting holes, and MCU logic:
Board A (Low Power):
Designer
ashleyhp
PCB Design Engineer
electronics mechanical abilities. - Core Skills - • Experience in PCB Designing, Library Development, Schematic capture using Altium/ Siemens Xpedition/Cadence Allegro/Zuken CR-8000/PADS and able to learn new
Service
Oscilloscope by using STM32F407 and FPGA (Spatan 6)
waveform rendering
FPGA Interface: FMC (Flexible Memory Controller) for fast data exchange between MCU and FPGA
Main Controller: STM32F407 ARM Cortex-M4
FPGA Device: Xilinx Spartan-6
This
Job
PCB Designer Needed — Automotive GPS/LTE Tracker (ESP32-S3, A7670E, Dual CAN Bus)
files suitable for JLCPCB turnkey assembly.
The device includes:
ESP32-S3-WROOM-1 (N8R8) as the main MCU
A7670E LTE Cat-1 modem
u-blox NEO-M8N GPS module
Dual MCP2515 + dual TJA1050 — two independent CAN
Job
Compact ESP32 + SIMCom A7670E LTE PCB Design (Edge-Mounted I/O for Enclosure)
with proper power handling and neatly aligned connectors on specific edges.
Key requirements:
MCU: ESP32-WROOM-32E (SMD)
Modem: SIMCom A7670E or A7670G (LTE Cat-1 + GSM fallback)
Input Power: