Factory Price Raspberry Pi RP2040 Chip Seeed Seeeduino XIAO Development Board For Arduino buy it!
$4.65-$5.15
LAFVIN Nano 3.0 ATmega328P Controller Board CH340 USB Driver with Cable for Arduino buy it!
$2.80-$3.30
for UNO R3 Board ATmega328P (Compatible with Arduino) ATmega16U for Arduino buy it!
$0.50-$7.50
MEGA2560 MEGA 2560 R3 (ATmega2560-16AU CH340G) AVR USB board Development board MEGA2560 for arduino buy it!
$6.30-$6.50
ESP8266 Development Board ESP-12E WiFi Wireless Module CH340 Serial Communication for Arduino
$1.70-$1.80