I have been working with the Raspberry Pi for a few months and have had a great time experimenting.I plan on documenting some of the things that I have been able to do and observations that I have made. My latest project is to use the Pi to read temperature from multiple DS18B20 sensors and …
The Gertboard is an add-on board designed by Gert van Loo who is also one of the hardware engineers involved in the original design of the Raspberry Pi. The board was originally sold by Farnell/Element14 in kit form but has just been re-launched as a fully assembled unit. This may come as a disappoint to …
Gertboard – The Ultimate Raspberry Pi Add-on Board Continue Reading
I wanted to create an electronic In/Out Board. The type you may have to record who is present or not in a company or home. It is usually placed by the front entrance so anyone can see who is in or out. I also wanted another project for my Raspberry Pi, so that is why …
Raspberry Pi Bluetooth In/Out Board or “Who’s Home” Continue Reading
On the Raspberry Pi, there are several connections which can be used for expansion: 1, The Rpi GPIO (General Purpose Input/Output) pins are exposed, that means that expansion boards are able to talk directly to the CPU. 2, The DSI connector will allow low-level interfacing with LCDs and other displays. 3, The CSI connector will …
A general purpose 16 SPDT channel relay board (power supply 24VDC) for switching high-current electrical loads (both AC and DC) siuch as motors, lights, pumps, contactors and more. With this relay board, any logic-level signal from 3V up to 30V can be used to activate a relay (it may be controlled direclty by microcontroller TTL …
16 Channel relay board for your Arduino or Raspberry PI – 24V Continue Reading
CALAO Systems has just launched an industrial single board computer (SBC) for professional Raspberry Pi developers called PiNBALL or, if you prefer, PAC-1210-S200-B2835-EXX…. The board is powered by the Raspberry Pi Compute Module, features interfaces such as two mini PCIe slots (for USB, I2C, GPIOs,…), fast Ethernet, HDMI, opto-isolated inputs and outputs, etc., +6 to …
NSC-01 For Team Near Space Circus‘ participation in the Global Space Balloon Challenge with NSC-01, we wanted to make sure that once powered up, and enclosed, we would still have control of the computer cluster and the timeline of events, as to what would happen when. As we devised a network with 7 nodes (see …
A couple of months ago I got curious about PCB manufacuring, and ended up using Joe Walnes’ open-source PiCrust PCB design to test the process. I sent the ‘Gerber’ files off to a little cheap board house in China, and a few weeks later my boards arrived – and they actually worked! With my 100% PCB-related …
How To Design a Printed Circuit Board with DesignSpark PCB Continue Reading
Who remembers the Nokia 5110? If you’re too young to have had one, it was a great phone – a bit of a game changer some might say. The battery lasted a decade, it was tough as nails and one of the first mobiles to include swappable faceplates and the infamous ‘Snake’ game. 1998 was …
Make Your Own Nokia 5110 Raspberry Pi Add-on Board Continue Reading
Here is another somewhat larger interface shown connected to a switch unit and a 16 LED output board. As the Pi connector does not have 20 GPIO pins, three of the pins are shared and can be connected to be either input or output via tree links. I designed the pin-out of this interface so …
Another (larger) Raspberry Pi Interface Board Continue Reading
