Category Archives: GPIO

Accessing GPIO from a web server

After successfully accessing the GPIO pins from the command line, my next goal was to read and write pin values from a web site. The first step is to install a web server, and the obvious choice would normally be Apache, … Continue reading

Posted in GPIO, Hardware, LEDs, Raspberry Pi | 3 Comments

Programmable LEDs (Basic)

Having setup an LED to be permanently lit via the 3.3V GPIO pin, the next step is to get the LED to light on demand, via a GPIO control pin. There are several pins to choose from, I used pin … Continue reading

Posted in Circuits, GPIO, LEDs, Raspberry Pi | Leave a comment