Results tagged #Raspberry Pi in Circuits

There are only four components required, and the cost for these is around 70p, so it would be a good candidate for a classroom exercise. Eve...

It would be convenient to use momentary contact push button switch to turn ON and turn OFF your Raspberry Pi (RPi). A press of button should...

The Raspberry Pi provides general purpose digital input/output pins (called GPIO pins) that you can use for reading digital logic signals or...

The current sourcing/sinking capability of the I/O pins on Raspberry Pi is quite limited. According to the Wiki page, the current limit for ...

This post describes the key changes introduced in the new board revision. Note that although we have not yet exercised our option to add add...

How to make the hardware connections between the Raspberry Pi and the house wiring. Check out this post if you want a PCB that does the conn...

I have been working on driving an analog VU meter based on the sound going out the Raspberry Pi`s audio outputs. This now works! The music [...

Experiments with couple of floppy drives I have and it appears that on the step pin, current is limited to around 5 mA. This means that we c...

I managed to salvage a couple of motors from a worn down old printer, and I`m unsure of how to get about connecting it to a breadboard and t...

Drive a latching relay that needs about 70-90mA if the raspberry pi can only deliver about 40mA. I need to find a relay that can handle home...

Rasbian on the Raspberry Pi is great, but the official image is large and includes all sorts of stuff I don`t need (my Pis don`t generally h...

This post will outline the details of a couple of circuits I designed and built for my robot. The first is a regulator to supply my Raspberr...