A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

Want to turn your circuit ideas into real designs? Check out a free tool that makes drawing schematics, adding symbols & preparing PCBs fast.

With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...

From circuit simulation to embedded firmware testing and PCB design, Proteus lets you see how hardware and code work together before building a single board.

Why Choose PZEM-004T for Your Smart Energy Meter Using IoT? The PZEM-004T module stands out as the optimal choice for any IoT based smart energy meter project due to its factory-calibrated accuracy ...

This code may be useful to paruse for ideas or or for adapting to your own ESP32 hardware project. Over-the-air WiFi firmware updates are supported. It is for a custom PCB I ordered using EasyEDA upon ...

Starbucks employees and supporters react as votes are read during a union-election watch party Dec. 9, 2021, in Buffalo, N.Y. (AP Photo/Joshua Bessex, File) MANHATTAN (CN) — Global coffee giant ...

The ESP32-CAM is one of the most popular development modules, featuring built-in Wi-Fi and a camera. With its robust 32-bit processor, it’s widely used in countless projects by hobbyists around the ...

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...

We love Arduino here at Hackaday; they’ve probably done more to make embedded programming accessible to more people than anything else in the history of the field. One thing the Arduino ecosystem is ...

Electronics might appear at times like an elite endeavor with a high barrier to entry—both in time, expense, and expertise—but if you’ve wanted to play around with electronics and felt ill-equipped to ...