Diodes for beginners

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Not just LEDs

Resistors for beginners

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Everything you need to know about the resistors

Beginner’s electronics guide Raspberry Pi, Arduino

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Essential electronic knowledge to have to understand circuits better!

Arduino starter kit is here

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Winner winner chicken cake?

Infrared Sensor HC-SR501 PIR Motion Sensor for a Raspberry PI and Arduino

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How to use PIR sensor with your Raspberry PI.

Sonar HC-SR04 ultrasonic ranger for a Raspberry PI & Arduino

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How to connect HC-SR04 Sonar module to Raspberry Pi