Posts about gpio

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

The ESP32 microcontroller development board is a breakout board for the ESP32 microchip. This microcontroller board has various I/Os, built-in Wi-Fi, and Bluetooth. More…

Categories Electronics

Tags BluetoothBluetooth modulesESP microcontrollerESP32GPIOWi-Fi modulesYouTube videodevelopment boardelectronicsmicrocontrollersspecswi-fiwireless communication

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 can be used to send 433MHz signals to other devices. Here we show how to connect a Raspberry Pi to a transmitter module to send RF signal codes. More…

Categories Raspberry Pi

Tags 433MHz RF433UtilsArduinoGPIORC SwitchRaspberry PiRaspbiandigital writeelectronicshome automationwireless communicationwiringPi