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Understanding the digital read pin on a microcontroller
6 July 2017 | Updated 10 June 2018
When working with electronics, one will very often come across working with digital readings. Digital read (and write) pins are available on many microcontrollers and is one of the simpler pins to work with.
ESP32 Development Boards for Wi-Fi communication
25 June 2017 | Updated 26 June 2017
The ESP32 microcontroller development board is a breakout board for the ESP32 microchip. It is a microcontroller board with various I/Os and built-in Wi-Fi and Bluetooth.
Magnetic door sensors
5 June 2017
This post introduces magnetic door sensors, also called reed switches, that are used to trigger movement of the objects (e.g. doors and windows) it is mounted too.
Making the Raspberry Pi use RF signals for logic
28 March 2016 | Updated 11 April 2017
This post will explain how to get the Raspberry Pi to read and interpret RF signal-codes to be used for logic. Ultimately I’ll show you how to “capture” signals as strings and compare them with expected strings to trigger either a Bash or Python script.
433MHz RF communication to a Raspberry Pi
27 March 2016 | Updated 1 July 2017
This post will explain how to get up and running with the 433MHz RF Transmitter Receiver modules to send radio frequency (RF) signal-codes from a transmitter device to a Raspberry Pi.
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