Capacitive Touch Sensing using a Coin & ARM Cortex M4
Couple of years ago, I bought a Capsense add-on from Texas Instruments for MSP-430 Launchpad. It worked right out of the box as expected but a closer observation showed me that the board was nothing but a colored copper plate PCB with catchy SMD LEDS beneath. Curiosity drove me to internet and books which taught […]
Raspberry Pi based Monochrome Video Playback in Nokia 2760 caller ID LCD
Previously, I was successful in interfacing a Nokia caller ID LCD using MSP430 microcontroller. This time I wanted to drive it using the $35 single board computer – Raspberry Pi to display vital information like CPU temperature, IP address or any notifications. This idea then turned into something fun and better. I thought why not […]