Designer
jiangl
Electrical Engineer | PCB Designer | ESP32 & IoT Developer
communication with clients. • Microcontroller & Firmware Development: Proficient in programming STM32, ESP32, PIC, AVR, STM8, and STC microcontrollers using Keil, STM32CubeIDE, VSCODE, MPLAB X IDE, and more
Altium Designer
API
Arduino IDE
Autodesk Eagle (EagleCAD)
CAD Design
Cadence OrCAD
Circuit Design
Design Engineering Services
EasyEDA
Electrical Circuit Design Services
Electrical Engineering
Electrical Schematic Drawing Services
Electrical Schematics
Electronics Design Service
Embedded System Programming
Embedded Systems Design
Engineering Design
ESP32
IoT Product Design
KiCad
Manufacturing Processes
Microcontrollers
MPLAB X
PCB Design
PCB Design Services
Programming
Radio Frequency Engineering and Design Services
Reverse Engineering
STM32 Cube IDE
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
3D PCB LAYOUT
3D Printing Services
3D Solidworks
Adobe Photoshop
Altium Designer
AMD Xilinx Vivado
Arduino
ARM Keil MDK
C++ Developers
CAD Design
Cadence Allegro PCB Designer
CNC Programming
Computer Numerical Control
corel draw
Electrical 2D Drafting Services
Electrical Circuit Design Services
Electrical Engineering
Electrical Schematic Drawing Services
Embedded Linux
Embedded systems PCB
EMI/EMC PCB Design
Engineering Design
Firmware Developers
Front-End Developers
Full-Stack Developers
High-Speed PCB Design
Hyperlynx
Internet of Things (IoT)
KiCad
MATLAB
Mixed-signal PCB design
MPLAB X
Node JS Developers
PCB Design Services
PLC Programming
Proteus Design Suite
Prototype Design Engineering
React/Node.js Developers
Simulation
Software Developers
SolidWorks Engineering Services
Visual Studio
Visual Studio Code
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
Power Supply Design
PCB Design
Altium
PCB Manufacturing
ESP32
Gerber PCB Design Files
Electronic Devices
Electrical Engineering
PCB Design Services
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)
Altium Designer
Antenna Design
PCB Design Services
Electronic Devices
Electronics Design Service
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
Altium Designer
AVR Microcontrollers
CAD Design
EMI/EMC PCB Design
ESP32
Internet of Things (IoT)
PCB Design
PCB Design Services
Power Electronics
Programming