Infrared Reversing Radar PCB Circuit Board Production DIY Kit
Description
Description The infrared reversing radar is composed of a multi resonant circuit an infrared signal transmitting and receiving circuit an infrared signal amplifying and a voltage comparison circuit and has the characteristics of simple circuit low cost and stable circuit operation and is widely used in various ranging occasions Power supply 6VSize 65 45mmInstallation and commissioning and simple principle description 1 The infrared transmitting tube HF and the infrared receiving tube HJ have polarity long legs are positive please do not install the wrong ones the mounting direction can be upwards or sideways RP1 adjusts the reflection distance RP2 adjusts the sensitivity LED3 can be bright when the distance is 30cm LED2 and LED3 are bright when the distance is 20cm and fully bright when the distance is 10cm The infrared sensor is covered with white paper to block the reflection effect 2 The time base circuit NE555 and surrounding components form a multivibrator to generate an infrared wave signal which is output through the third pin of IC2 and drives the infrared transmitting tube HF to emit an infrared signal NameParameterPCB markQuantityElectrolytic capacitor1UFC1 C2210UFC31100UFC5147UFC61Ceramic capacitor104pC4120PFC71Adjustable potentiometer50K 503 RP1 RP22LEDRed 5mmLED1 LED33Infrared emission5mm WhiteHF1Infrared reception5mm BlackHJ1SMD resistor1KR1 R4 R8 R18710KR2 R3 R193200ohmR9 R12R13R1441 5KR10130KR15147KR161DiodeIN4148D1 D22Socket2PJ11ICLM324IC1
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