Building a Single Pixel Scanner
A flat bed scanner typically uses three rows of CCD sensors (RGB) to capture images placed directly on top of […]
HP 7044A X-Y Recorder Teardown, Lorenz Attractor
I picked up an HP 7044A X-Y recorder on eBay recently. This one was made in the early 1980’s and […]
Turn Your Android Phone into a Wireless Touchpad
In this blog post, I will show you a simple way of turning your Android phone into a wireless touchpad. […]
Using Arduino Due’s True Random Number Generator
Arduino Due uses an Atmel SAM3X8E ARM Cortex-M3 CPU, which has a native hardware based True Random Number Generator (TRNG). […]
On Arduino Due PWM Frequency
I just got myself a couple of Arduino Due boards. While they were released almost two years ago, I have […]