This 8-channel digital responder-machine soldering kit electronics practice board is a teaching kit for people who want to improve the welding skills.8-channel answering can be performed at the same time.

Specification:
Product:Electronic Production Teaching Kit
Applicable voltage: 6V
PCB board size: 80*60*1.5mm/3.15*2.36*0.06inch
Effect: 8-channel digital responder-machine
Packing List: 1 Set 8-channel digital responder-machine DIY Electronic Experiments Teaching Kit
(1Set Packing List: 1 * resistance 100k, 8 * 10k, 8 * 300 ohms, 1 * 10uf electrolytic capacitor, 1 * 47uf electrolytic capacitor * 1, 1 * 103 capacitor, 2 * 104 capacitor, 18 * diode, 1 * integrated circuit CD4511, 1 * NE555IC, 14 * 0805 LED red, 1 * buzzer, 9 * key instantaneous, 1 * circuit board )

Advantage :
1. The pcb board prototype kit is tinned, not easy to oxidize, high-strength fireproof, anti-drop material, can be disassembled and assembled repeatedly.
2.Electronic components are clearly marked.Can improve the welding skills of electronic professionals and enthusiasts.It has the characteristics of simple circuit, stable circuit operation.

Instruction:
After the button is pressed, the buzzer will sound, and at the same time (light-emitting diode) will display the number. After the answering is successful, press the button again, and the display will not change unless the reset button is pressed. After reset, the display is cleared, and you can continue to answer. S1-S8 are the answer buttons, and S9 is the reset button.

Note:
1.Please check compatibility before purchasing.
2.It is normal for the product color to differ from the image due to the luminous effect.