Have you ever imagined building a drone so small it could rest comfortably in the palm of your hand, yet powerful enough to soar through the air with precision, all controlled from your smartphone?

A bright yellow PCB, a touchscreen, and an ESP32 inside: the Cheap Yellow Display (CYD) Board is turning a budget curiosity into a maker’s favorite. Every now and then a piece of hardware comes along ...

Pagers may have largely gone out of fashion in the age of the smartphone, but the T-LoRa Pager from LILYGO puts a modern spin on the class communications device. It’s a portable device with a 2.33 ...

Waveshare ESP32-S3-Touch-LCD-1.85C is an ESP32-S3 development kit with a 1.85-inch round touchscreen display with 360×360 resolution, support for Wi-Fi & Bluetooth BLE 5, and a built-in microphone.

A hot potato: The ESP32 chip, found in over a billion devices worldwide, contains undocumented vendor-specific commands that could potentially be misused to access device memory and manipulate ...

Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...

Smartphones may be pocket-sized computers that can do thousands of different things… but sometimes that’s as much a weakness as it is a strength. I can’t count the number of times I pulled my phone ...

erst mal vielen Dank, das ihr euch mit der 0.8.42 dem Thema angenommen habt. Ich bin neu bei ahoyDTU und mein Schwerpunkt ist im analogen Bereich. Daher bitte ich Rücksicht walten zu lassen, wenn mir ...

In this post I will try to gain some insight into the electronics of a cheap PWM Power MOSFET Module. The module under the spotlight is the pretty common FR120N MOSFET Control Module which is a simple ...

One of my favorite activities is discovering the inner secrets of electronics systems as I am always looking for interesting design ideas. That way, I can take those design tricks a step further, ...