Written by hshallcrossMay 20, 2014May 20, 2014

LCDs, LCDs and LCDs!

After doing a bit more research into homemade smart watches, I came across this brilliant forum article (http://goo.gl/7mI1Dm). This guys watch is utterly amazing and uses a memory LCD. These LCD’s are quite out of my price range at ~£14 each! So after another eBay search, I found a total 1.44″ gem (http://goo.gl/3Tfg7e Link will […]

Written by hshallcrossMay 18, 2014February 9, 2015

74HC595 interfacing with SPI

The 74HC595 (http://goo.gl/J9ILXZ) is a great chip for expanding output only GPIO and is normally really cheap. Normally, you bit bang an SPI like interface to send data to it but I decided to test whether it actually works using an SPI peripheral. With my trusty STM32F0 Discovery board and my good ol’ oscilloscope, I can […]

Harris' Electronics

The ramblings of a (once, probably no longer claimable) electronic amateur

Tag: spi

LCDs, LCDs and LCDs!

74HC595 interfacing with SPI