3Pcs Logic Level Tester Electronic DIY Kit Electronic Product Contest DIY Kit

$35.62
Circuit function:1. Detect logic signal inputWhen there is no logic signal input, LED2 emits yellow light, and when there is a logic level signal, LED2 does not emit light.2. Determine the type of logic signalIf it is the high logic level of the input, LED1 lights red, if it is...
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$23.75

1648575

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Circuit function:

1. Detect logic signal input
When there is no logic signal input, LED2 emits yellow light, and when there is a logic level signal, LED2 does not emit light.
2. Determine the type of logic signal
If it is the high logic level of the input, LED1 lights red, if it is the low logic level, LED3 lights green.

PCB mark Name Package Quantity
R10-R13 2k resistor 0805 4
R1 10k resistor 0805 1
R2 10M resistor 0805 1
R3, R9 4.7M resistor 0805 2
R5 18K resistor 0805 1
R6 6.8K resistor 0805 1
R4 27K resistor 0805 1
R8 1M resistor 0805 1
R7 1.5M resistor 0805 1
C1 101 capacitor 0805 1
Ca, Cb, Cc, Cd 103 capacitor 0805 4
LED0, LED1 red LED 0805 2
LED2 yellow LED 0805 1
LED3 green LED 0805 1
J1 Power port   1
IC1 LM324 SOP-14 1
VD1-VD4 IN4148 Diode   4

Package included:

3 x Logic Level Tester Electronic DIY Kit

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