Learn- How to make LM358 based IR Proximity Sensor at home. This sensor Can work as a Touchless Door Bell. Project file on the free design tool: https://easyeda.com/tapendr... Sub…
Long Range (10 meters / 33 Feet or more) IR Beam Cut Detector Circuit
Our IR detector circuit
This video describes a simple RF demodulator / detector probe that you can use with your DMM or oscilloscope to measure the relative amplitude of an RF
2G/3G Cell Phone Detector - Detects when cell phone is active using simple OpAmp Circuit
See video of the CVTSDEW-IR day/night 30 ft. IR smoke detector hidden camera as it captures color/ black & white video in various light levels.
Arduino + IR Emitter + IR Detector