Arduino Uno R3 ATmega328P Microcontroller Board DIY Electronic Development Board
Arduino Uno R3 development board with ATmega328P chip. Widely used for DIY electronics, robot projects, programming learning and circuit design. Plug and play, stable performance, fully tested.
ATmega328P CH340 USB Microcontroller Board – Arduino Compatible
ATmega328P Arduino-Compatible Microcontroller Board with CH340G USB interface. UNO R3 compatible, bootloader installed, ISP header, 14 digital input/output pins (6 PWM), 6 analog inputs, 32 KB flash, 16 MHz. Power via USB or 7-15 V DC. Shield-compatible, SMD design. Free USPS Ground Advantage Shipping with Tracking from USA.