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

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 the low logic level LED3 lights green PCB markNamePackageQuantityR10 R132k resistor08054R110k resistor08051R210M resistor08051R3 R94 7M resistor08052R518K resistor08051R66 8K resistor08051R427K resistor08051R81M resistor08051R71 5M resistor08051C1101 capacitor08051Ca Cb Cc Cd103 capacitor08054LED0 LED1red LED08052LED2yellow LED08051LED3green LED08051J1Power port 1IC1LM324SOP 141VD1 VD4IN4148 Diode 4Package included 3 x Logic Level Tester Electronic DIY Kit