Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

SunFounder is a technology company focused on Raspberry Pi and Arduino open source community development. Committed to the promotion of open source culture, we strives to bring the fun of electronics ...

Arduino library for the DS1302 real-time clock chip (3-wire interface). Note: pin D4 on the ESP8266 is driven high during reset/boot/flashing, which can corrupt the RTC registers — that's why D2/D4 ...