Garage Door Opener Sensor Reverse Engineer and Explanation

Garage Door Opener Sensor Reverse Engineer and Explanation In this video I look at an infrared beam garage door sensor. The emitter board is analyzed to look at what kind of signal is generated. The sensor network is analyzed. The detector board is analyzed. Schematics of both are presented. These little sensors look basic but there is a lot going on. Subscribe to the channel:    / @allthingsoneplace   00:00 Introduction 00:20 Example of sensors 00:46 The sensors in operation 01:15 Current Loop Example 03:43 Detector 04:00 Emitter 05:00 Oscilloscope analysis 06:11 Detector Schematic 07:30 Emitter Schematic 09:00 Conclusion Equipment: Video Camera: Sony HDR-CX405 Still Camera: Cannon PowerShot SX410 lS Lights: Two VILTROX VL-200T Recorder: Zoom H4n set to 24-bit 48 kHz WAVE Microphone: Shure WL183 Lavalier Microphone with windscreen Adapter: Shure RPM400TQG Plus a bunch of lab gear... Website: www.allthingsoneplace.com 100 video challenge – 27%