Flushed with my success in getting data displayed on my cheap LED matrix using a Bus Pirate, I decided that the next step was to see if I could get it working with a Raspberry Pi. It feels like I luckily won big when i tried starburst slot online, click here to get out from …
Continue reading ‘Driving a 7219 LED matrix from a Raspberry Pi’ »
After thinking about how to drive the MAX7219 LED array I built yesterday, it occurred to me that maybe this is an ideal time to get to the bottom of how to use the Bus Pirate board that I failed to use with a MCP3002 ADC chip. This time I was determined to get it …
Continue reading ‘Testing a MAX7219 LED array with Bus Pirate’ »
Time for a bit more soldering, I think. I couple of months ago I bought a little MAX7219 LED array kit from ebay for a couple of pounds. They are all over ebay and aliexpress. As kits go it is very simple – a resistor, two capacitors, some sockets and some optional connectors. Soldering it …