This product is developed, manufactured, and tech supported by Waveshare.
UNO PLUS is a development board compatible with the Arduino UNO R3, an improved & enhanced alternative solution for Arduino UNO R3.

Arduino UNO PLUS

Arduino UNO PLUS back view

Arduino UNO PLUS back view

Arduino UNO PLUS connecting with Motor Control Shield

Arduino UNO PLUS connecting with IO Expansion Shield

Arduino UNO PLUS connecting with WiFi module and sensors

Arduino UNO PLUS connecting with XBee module and sensors

Arduino UNO PLUS connecting with GPS/GSM Shield