Resistor Chip Arrays
Product name: three-person voting machine welding kit
Product model: TJ-56-389
Working voltage: DC5V
PCB size: 63 * 43mm
Description:
The three-person voting device is designed with 74HC08+CD4075. Each of the three judges controls one of the three keys S1, S2 and S3. The decision is based on the principle that the minority is subordinate to the majority. Press to agree, otherwise it is not agreed. Two or more are pressed to indicate that the voting is passed, and the LED is on, otherwise it is not on. There are few types of components, and the welding is simple and clear, which is suitable for beginner welding practice.
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Condition : New
Type : Voltage Regulator
Origin : Mainland China