Boards & Shields

1. Two sets of 3.3V and 5V DC output pins are on board, which is convenient for external use2. The upper and lower two channels are independently controlled, which can be switched to 0V, 3.3V, 5V3. Output current: Less than 700ma4. Output voltage: 3.3V,...

Features1. On-board SWD interface, and it can be programmed with ST-LINK V2.2. On-board test indicator LED, and the beginners can program to control it.3. On-board 100ma 3.3V Regulator.4. All GPIO are led out and the names of the pins are markedu30025...

Features1. Using Bluetooth 5.0 main control chip, good transmission effect and high stability 2. With button control, there are control up and down music, volume addition and subtraction, playback, pause, switch machine, etc., and reserved high and low...