RedBear Duo (入門雙核)
RedBear Duo: A small and powerful Wi-Fi + BLE IoT board
Duo is a thumb-size development board made to simplify the building process of Internet of Things (IoT). Everything you need is built into the Duo. It contains WiFi, BLE and Cloud. With the help of RBLink, a RedBear expansion board, you can attach add-on modules without any soldering at all. You can get your prototype up and running in no time.
Dimension: 40 x 20 x13 mm