Micro USB Atmega328 Ch340 Atmega328P Nano v3.0 Shield Board For ARDUINO UNO buy it!
$3.25-$4.02
Ultra Low Power Seeeduino XIAO SENSE BLE 5.0 nRF52840 Arm Microcontroller For Arduino Nano UNO buy it!
$15.86-$16.35
TZT For Wemos D1 ESP32 ESP-32 WiFi 4MB Flash UNO D1 R32 Board Module CH340 CH340G Development Board For Arduino buy it!
$2.85-$3.31
Improved Version for Uno R3 ATmega328P Development Board CH340 CH340G for Arduino for UNO R3 buy it!
$4.38-$4.60
for Arduino for UNO R3 WiFi Development Board ATmega328P + WiFi + ESP8266 NodeMCU 32MB Memory USB-TTL CH340G
$6.09-$6.15