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There’s no shortage of ESP32 boards on the market, but very few are built with power efficiency in mind. Even boards that advertise “deep sleep support” tend to draw hundreds of microamps when idle, fine for short-term battery projects, but…
I keep seeing ultra-cheap soldering irons on AliExpress and wondered if any are good enough for beginners or hobbyists. To find out, I bought four different “bargain basement” irons with my own money and ran three simple but highly representative…
The LilyGo T-Display S3 TOUCH is a fascinating little development board that combines an ESP32-S3 microcontroller with a bright TFT display in a very compact format. After spending some time with it I was surprised by just how capable it…
If you’ve ever tried to debug why a microcontroller won’t talk to a sensor, you’ll know how frustrating digital communications can be. I2C buses that refuse to acknowledge, one-wire devices that give nonsense readings, or peripherals that just appear dead,…
When working with electronics, going from an idea to a functioning prototype usually weeks. Designing schematics, sourcing libraries, writing code, debugging, and finally getting something that works can feel like a long and often frustrating journey. But what if you…
Introduction In a recent YouTube video I looked at how to improve the WIFI performance of cheap ESP32 C3 mini development boards from Ali Express and the results were really impressive, easily tripling the WIFI range with minimal effort. But…
Introduction Several months ago I had a project idea that needed small, WiFi enabled, and cheap microcontrollers – lot’s of them! I immediately headed to AliExpress to find a bargain and was not disappointed to see ESP32 C3 Mini’s on…
Introduction So a few months ago I dusted off my trusty DJI Spark that had not been used in many years (maybe 5+), I installed one of the three batteries I have and got ready for take off. When trying…
Introduction I’ve recently setup a Home Assistant server in my house, it’s great! It allows me to control various smart plugs, lights and security cameras in my house all from my phone. I really wanted to include a temperature and…
