Humidity and Temperature sensor DHT-11 (&DHT-22) for Raspberry Pi and Arduino
How to hook up the temperature sensor
Diodes for beginners
Not just LEDs
Resistors for beginners
Everything you need to know about the resistors
Beginner’s electronics guide Raspberry Pi, Arduino
Essential electronic knowledge to have to understand circuits better!
Arduino starter kit is here
Winner winner chicken cake?
Infrared Sensor HC-SR501 PIR Motion Sensor for a Raspberry PI and Arduino
How to use PIR sensor with your Raspberry PI.
Sonar HC-SR04 ultrasonic ranger for a Raspberry PI & Arduino
How to connect HC-SR04 Sonar module to Raspberry Pi