IR Decoder & Encoder — Part 2 (DIY 38-kHz IRTR Module)
Fire Alarm Circuit using Transistor - Envirementalb.com
Communication Using Infrared Technology
How to Make Ir Sensor Module : 4 Steps - Instructables
Generating a 36kHz carrier signal for use in a IR LED array using UNO - LEDs and Multiplexing - Arduino Forum
Electronics BD - diy obstacle detector - ir proximity sensor circuit using lm358 opamp | Facebook| By Electronics BD
How to make IR Infrared Reciever Module Using VS1838B IR sensor
Extend IR Led Range - Raspberry Pi Forums
Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
Infrared – Ab's DIY
Infrared Proximity Sensor Circuit | Obstacle Detector Circuit
How to Make DIY IR Blaster using ESP8266 (NodeMCU)
BC 547 – Mohan's electronics blog
5 Simple electronic project with 4017, bc547, bd882, relay, IR led - YouTube | Electronics projects, Ir led, Led
IR Remote Control » Raspberry Pi Geek
Infrared Proximity Sensor Using Transistors - IR LED
Proximity Switch Using One Transistor with UTSOURCE Service - Hackster.io
An Arduino shield to control your house – Diogo Gomes
IR Transmitter and Receiver Circuit Diagram
Using a transistor to get 100mA on a IR led - Arduino Stack Exchange
Make a Simple proximity sensor At Home // Using Transistor
Proximity Sensor Circuit Diagram | EdrawMax Editable Templates
Mit Transistor Infrarot-LED schalten - Deutsch - Arduino Forum
infrared - Basic IR circuit question - Electrical Engineering Stack Exchange
Fire Alarm Circuit using Transistor - Envirementalb.com
Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
IR Sensor : Circuit Diagram, Types Working with Applications
How to make a contact-less digital tachometer using IR-light reflection technique
