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DIY Alcohol Tester Alcohol Leakage Alarm Kit Alcohol Sensor Detection Alarm Kit

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                  Description:

                  Kit Name: Alcohol Concentration Tester Kit

                  Dimensions: 62*36mm
                  Board material: single side 1.6mm FR-4
                  Supply voltage: DC6V
                   
                  Soldering precautions:
                   
                  1. Printed on the PCB with various components silk screen marks, please refer to the silk screen mark soldering
                  2. The resistance is not divided, but there are different resistance values. Please pay attention to distinguish when soldering
                  3. J1, J2, J3 need short circuit, and the resistor element pin can be cut to solder
                  4. Electrolytic capacitor, LED is positive and negative, long leg is positive, short leg is negative
                  5. When connecting the power cord to the terminal block, be careful to distinguish between the positive and negative terminals

                  Name Parameter PCB mark Quantity
                  Alcohol concentration sensor MQ-3 MQ 1
                  Resistor 1K R1,R2 2
                  120ohm R3 1
                  4.7ohm R4 1
                  Diode 5mm red LED D1 1
                  5mm green LED D2 1
                  Power socket 005 with USB cable 1
                  Corner toggle switch   S1 1
                  IC socket DIP8 U1 1
                  NE555 DIP8 U1 1
                  Buzzer   B1 1
                  Potentiometer 103 RW 1
                  Zener diode 1N4148 D3 1
                  Relay D5V6 pin JK 1
                  Battery socket     1

                  Package included:

                  1 x DIY Alcohol Leakage Alarm Kit

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