1. IO mouth all leads classic 51 minimum system saves on the welding

2. Integrated 10 p ISP download interface convenient download AT89S52 single chip microcomputer.

3. The welding is round hole socket convenient change crystals (default with 11.0592 M)

4. Support chips: STC89C52 STC12C5A60S2 STC11/10 x series of AT89S52 and compatible with the chip pins of the chip

5. A power switch convenient experiment.

6. Two ways: power input DC - 005 power source (supporting seat is 5.5 * 2.1) and single needle (next to the power switch)

7. Outside enlarge VCC 3 road GND as shown in figure out the needle.

8. P0 mouth wear resistance.

9. Reset method: external and reset button reset on electricity.

10. Adopt green IC lock convenient replacement chips.

11. Our independent development production supply long-term stability.

12. The board size: 4.1 cm * 8.9 cm

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