Note: This sale is for Two boards This Uno R3 Development Board is the perfect tool for anyone interested in creating their own electronic projects. Designed to be compatible with Arduino, this board features an Atmega328 microcontroller and CH340 USB-to-serial chip. With its wide range of potential applications, this board is a must-have for anyone in the development, semiconductor, electronics, or electrical supply industries. Whether you're a business owner or a hobbyist, the Uno R3 Development Board is the perfect tool for bringing your ideas to life.