Service
I make hardware prototyping, schematics, PCB circuit design, ESP32, Arduino & STM32
I will help you bring your idea to life. I can design a complete board with a microcontroller (ESP32, ESP8266, STM32, ATmega), power supply circuit, battery management and charging circuit, sensors,
Designer
haiyanz1
Embedded Hardware Developer with expertise in PCB, ARM, ESP32, STM32, FPGA and Firmware(Altium, Viva
interfaces, as well as advanced signal and sensor integration. Key Skills: - Embedded processors: STM32, ESP32, TMS32, DM3730, DA14583, LoRa, nRF52, Arduino, Atmega, PIC, RAK4, SIM7 - High-speed routing up to
Job
PCB Designer Needed — Automotive GPS/LTE Tracker (ESP32-S3, A7670E, Dual CAN Bus)
deliver fully production-ready 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
Job
Compact ESP32 + SIMCom A7670E LTE PCB Design (Edge-Mounted I/O for Enclosure)
We need a compact ESP32 + SIMCom LTE (A7670E/G) baseboard designed for integration inside an enclosure.
The goal is to create a small, reliable PCB that provides LTE + GSM connectivity with proper power
Job
KiCad Hardware Design from Requirements – ESP32-S2 USB-C / USB Host / RS232 Board for JLCPCB PCBA
Requirements – ESP32-S2 USB-C / USB Host / RS232 Board for JLCPCB PCBA
Project description:
We need an electronics / PCB design engineer to create a production-ready KiCad hardware design for an ESP32-S2 based
Job
IoT Environmental Sensor PCB Review – ESP32-S3 + Sequans GM02S 4G/LTE-M/NB-IoT + WiFi/BT
prototyping.
Key components
MCU: Espressif ESP32-S3
Cellular module: Sequans GM02S (LTE-M / NB-IoT) + PCB antenna / U.FL
Wireless: Wi-Fi + Bluetooth from ESP32-S3
Main sensor: SPEC Sensors Ethylene (C2H4)
3D Model
esp-32c6-lorawan-pcb-2
PCB Design and Manufacturing of LORA with ESP32.
Designer
metina2
electronics engineer
-analog design -power electronics -pcb design -stm32,esp32,c2000,atmega,arduino firmware -motor control
Designer
youssifh
Hardware Enginner
(hardware + firmware) - Custom Development Boards (ESP32-S3, TM4C123GXL, RP2040) My services cover PCB Design, Embedded Systems Programming (AVR, ARM Cortex-M, ESP32) I’m passionate about creating innovative and
Designer
zhengnans
Electrical and Electronic Engineer
PCB design, and electronic system prototyping. I specialize in developing embedded systems using ESP32 and Arduino, as well as designing and simulating electronic circuits for real-world applications.