1/2/5/10Pcs ATMEGA2560 ATMEGA2560-16AU TQFP-100 ATMEL CHIP IC

5PC NEU 8bit WS2812 5050 RGB LED intelligent RGB light ring development board#YT

1PC NEU ESP-32 Development Board WIFI+ Bluetooth CPU Low power ESP32 ESP-32S #YT

1PC NEU USB Type-C ESP32 development board CH340C Ultra-low power ESP32-DE #YT

1PC NEU Digispark kickstarter micro usb development board ATTINY85 #YT

1PC NEU STM32F103C8T6 APM32F103CBT6 MCU core development board TYPE-C #YT

1PC NEU Ecg measurement AD8232 compatible with Duinofun development board #YT

1PC NEU NodeMcu Lua WIFI is based on the ESP8266 development board MINI D1 #YT