IR sensor, how to make ir sensor using one BC547 transistor with adjust the sensitivity - YouTube
Proximity Switch Using One Transistor with UTSOURCE Service - Hackster.io
Weak infrared output.
How to Make Ir Sensor Module : 4 Steps - Instructables
Fire Alarm Circuit using Transistor - Envirementalb.com
Make a Simple proximity sensor At Home // Using Transistor
Fire Alarm Circuit using Transistor - Envirementalb.com
Infrared – Ab's DIY
Communication Using Infrared Technology
Generating a 36kHz carrier signal for use in a IR LED array using UNO - LEDs and Multiplexing - Arduino Forum
How to Connect an IR Photodiode Sensor in a Circuit - Homemade Circuit Projects
Mit Transistor Infrarot-LED schalten - Deutsch - Arduino Forum
IR Decoder & Encoder — Part 2 (DIY 38-kHz IRTR Module)
IR Sensor : Circuit Diagram, Types Working with Applications
transistors - IR Detector with two indicating leds - Electrical Engineering Stack Exchange
Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
Obstacle Detection Circuit using BC547 w/ UTSOURCE | Hackaday.io
Supla universal IR emitter for 8 codes - supla.org
Electronics BD - diy obstacle detector - ir proximity sensor circuit using lm358 opamp | Facebook| By Electronics BD
IR LED based object detector using transistor | BC547 - YouTube
Ti Launchpad Ir Communication Using Msp Exp430g2 Ti Launchpad | T...
Top 4 Photodiode Electronic Projects Very Very Easy With BC547 – FJM ECOM
Obstacle Detection Circuit Using BC547 with UTSource - Hackster.io
Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
An Arduino shield to control your house – Diogo Gomes
How to Make DIY IR Blaster using ESP8266 (NodeMCU)
