Posts about digital read

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. More…

Categories Electronics

Tags ArduinoESP microcontrollerGPIORaspberry PiTTLdigital readelectronicsmicrocontrollers

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. More…

Categories Electronics

Tags ArduinoSwitchesdigital readelectronic moduleelectronicshome automationmagnetic door sensors

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. More…

Categories Raspberry Pi

Tags 433MHz RFGPIORaspberry Pidigital readelectronicshome automationwireless communication

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. More…

Categories Raspberry Pi

Tags 433MHz RFArduinoGPIORC SwitchRaspberry Pidigital readdigital writeelectronic moduleelectronicshome automationwireless communicationwiringPi

The Raspberry Pi is equipped with a set of input/output or GPIO (general-purpose input/output) pins. This powerful feature significantly expands the Raspberry Pi’s abilities to communicate with other devices. These pins are connected directly the to CPU of the Raspberry Pi. More…

Categories Raspberry Pi

Tags GPIOMicro-B USBRaspberry Pianalog readdigital readdigital writeelectronicsspecs