45 In 1 Sensor Module Board Starter Kits Upgrade Version for Arduinos products that work with official Arduinos board buy it!
$16.00-$18.99
Cheap AT91SAM3X8EA Due R3 32 bit ARM Cortex-m3 Control Board Module for arduino DUE R3 Compatible SAM3X8EA buy it!
$1.00-$99.99
MAX6675 Module + K Type Thermocouple Thermocouple Sensor for Arduino buy it!
$1.97
The original chip UNOs R3 improved ATmega328p smd development board is used for the Arduino UNOR3 programming module DIY buy it!
$3.19-$3.30
Atmega328 MINI Type-C Nano 3.0 USB V3.0 ATmega328P CH340G 5V 16M Module Micro-Controller Board for Arduino 328P CH340C CH340
$1.00-$3.00
