Parameters:
Power supply voltage: DC 4.5V-5.5V
PCB board size: 88MM*87MM
Acrylic shell size: 101.5MM*100.5mm*20MM
Package included:
1 x PCB board
34 x 5MM colorful LED
34 x 3MM white blue LED
1 x MCU base DIP40
1 x SCM AT89S52 (written procedures)
1 x 12M crystal
2 x 22P ceramic capacitors
1 x 10uF Electrolytic capacitor
1 x 10K Resistance
40 x 0.25W 510 ohm resistance
1 x DC005 power socket
1 x 8*8 self lock switch
1 x Self locking switch hat
1 x USB turn DC005 power cord
