Baby description:
All the 1.40 pins are drawn out.
2. Classic 51 minimum system, which saves the trouble of welding
3. Crystal vibration: 11.0592M
4. Support chip: STC89C52 stc52 stc5a60s2 stc11/10x series AT89S52 and chip compatible with the above chip
5. A power switch, convenient experiment.
6. Dc-005 power source seat (supporting seat is 5.5* 2.1)
7. External expansion 2 VCC,GND, as shown in the middle row of pins.
8. Interior design of parts. Save space.
9. Board size: 6.5cm*3.1cm