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This 4-channel PWM controller uses an ESP32 (for smart control), TC4427 MOSFET drivers, and CSD17573Q5B MOSFETs (for efficient switching). It delivers precise, adjustable power (up to 18V/10A per channel) with minimal heat loss. Features include WiFi/MQTT control, local button inputs, and gamma-corrected LED dimming. Designed for a 12V LED spotlight, it’s also ideal for motors, heaters, or lab supplies. Fully open-source—schematics, firmware, and 3D-printable enclosure files are available.
This time I would like to walk through the “open source-ification” of another Tuya device. The reason for this is that this device requires a bit more effort and tools to program. The concept is the same: The difficulty lies in the fact that this device has a different architecture. …
In this article I show how to convert a Tuya WiFi-IR Remote to use open source software. The reasoning and the procedure is the same or very similar to what I described in my previous article. (If you want more WiFi-IR gateway goodness, here is one I made a couple …
In your favorite online Chinese outlet the number of smart home gadgets/appliances seems to be growing on a daily basis. This is fantastic for home automation enthusiasts who want to automate their home or office. It is also beneficial for anyone with a very specific problem to solve. However, virtually …
For a long time now I have been longing for a sliding platform for my video camera to take some smooth scrolling panning videos. Also, I have long wished to take proper panoramic images with my SLR. I have had some success using a tripod, but the process was a …
One side effect of ordering PCBs from a professional fab house is that you always get more PCBs than you actually need. For example, when you place an order for a PCB prototype at PCBWay, you get at least 10 copies of the PCB, sometimes even more. In most cases, …
Below I present my own ESP32-S3 development board. The reason for creating my own development board is twofold: Features and advantages This board is using the ESP32-S3-MINI-1 module from Espressif. The board’s features include the following: Schematics Here is the schematics of the development board: Board As usual, I designed …
For years this basic timer has worked very well in our house controlling the central heating. It was a success among all people because it was easy to set up and after the initial configuration we haven’t really touched it for years. It just kept working without getting in our …
Since I live in an area where sunshine is almost always abundant, it makes sense to harvest energy from the sun as much as possible. This includes making various sensors around the house, especially the ones that are outside, operate with solar energy. This is usually not a very difficult …
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