1.the use of CP2102 as the bottom of the USB to serial, super stable!
2.support a key to download, eliminating the tedious operation
3.support ESP32-Bit and other modules
4.support Linux, Windows, Mac three development platform
5.the needle is not reserved for welding, the user can according to their own needs, the needle will be top or bottom welding
6.Jiang Xin-class design, inserted in the breadboard on both sides just set aside a row of holes, user-friendly experiment.
7.Size: 4.8* 2.5cm (L*W)