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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…
The idea behind this project was straightforward enough: build an ESP32 development board that could run for months on a single lithium cell. I wanted something genuinely low-power, not the usual development board drawing a couple of milliamps even when…
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…
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 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 In this post we’ll explore how to setup an ESP 32 microcontroller as a WiFi FTP file server. This builds on my recent video which shows how to integrate the ESP32 into a light bulb to keep it secret!…