Today I have managed to get the GDE021A1 ePaper display (EPD) working! I used my minimal EPD-Driver board, which implements a flat-flex cable connector and a booster circuit for the display. The booster generates high voltages needed for display operation… Continue Reading
In my PIP-Watch project I will use a Li-On battery to provide power. Li-On batteries are easy to use in hobby projects: they are light, small, with high capacity, and they come in variety of sizes. Most (not all) Li-On… Continue Reading
Target hardware: VOLTCRAFT VC-870 Multimeter UNI-T UT-D04 USB Cable Software repository location: https://github.com/jsyk/VC870_USB_Datalog The issue this software solves: Although the Voltcraft multimeter and the UNI-T USB cable are hardware compatible (the USB cable adapter fits into the multimeter connector perfectly),… Continue Reading