After completing the previous project which could locally or remotely control DC power through the use of PWM. I started to think about methods to control AC or mains power. This of course presents a new set of challenges. First of all, our single transistor used to switch DC previously cannot be used. Second, we

After having acquired quite a few LED strips from irreparable televisions, and having fun building circuits to drive them, it became clear that some way to control them in a more meaningful way would be useful. A simple on/off switch could suffice, but dimming would also be a nice feature, and perhaps means of remote

After the popular single board computer, the Raspberry Pi 4 B was released by Raspberry Pi Foundation in mid 2019, I was excited to get my hands on one. I had been using the previous model (the Pi 3) for several years prior, and I enjoyed the small form factor, relative good performance, and access

After I finished my last Real Time Clock project, I was relatively happy with the outcome, well, everything except for the accuracy; and what good is a clock without accuracy? I used the DS1302 which I’m sure is a pretty decent RTC(real time clock), if you pair it with a crystal that’s perfectly matched for

A few years ago, I was spending a considerable amount of time away from my apartment. Some of this time arose during the winter months, and I found myself wanting to reduce the heating costs of the apartment, and therefor the temperature while I was away. Because the unit is adjacent to a few others,