1.All pins are led out.
2.classic51Small system, eliminating the hassle of soldering
4.Support chip:STC89C52 STC12C5A60S2 STC11/10xSeries AT89S52And a chip compatible with the above chip pins
5. A power switch for easy experimentation.
6. DC-005Power supply seat5.5*2.1)
7. expansion2roadVCC, GND,As shown in the pin headers in the figure.
8.Part built-in design. Save space.
3 x 51 Microcontroller Small System Board