Identifying an unmarked SMD capacitor is often a real headache: 22 pF or 220 pF? 100 nF or 1 µF? The CAP 328 was designed to ...

Cook up some ESP32 projects this weekend.

Programmable logic controllers are widely used in industrial automation systems to control machinery, monitor sensors, and manage manufacturing operations. Although PLCs provide reliable machine ...

In this article, referring to the CNXSoft article ESP32-C5 dual-band WiFi 6 and Bluetooth LE IoT board features 1.47-inch color LCD, I would like to summarize the features of the newly released ...

In today's lecture, we will discuss the Interfacing of RTC Module DS1307 with Arduino, we will design a Proteus Simulation. Arduino microcontrollers are extremely popular in the embedded systems ...

When it comes to performance, there's a world of difference between the Raspberry Pi and Arduino. The former, after all, is technically a fully functional computer that can run games, word processors, ...

Arduino library for the I2C LCD display, typical 20x4 characters. The library is inspired by the excellent New-LiquidCrystal library by F. Malpartida. Therefore the interface is kept quite identical, ...

It’s the moment you hard-core hardware nerds have been waiting for: the reveal of the 2025 Hackaday Supercon Communicator Badge. And this year, we’ve outdone ourselves, but that’s thanks to help from ...

The PicoCalc is a new handheld with a retro design. At first glance it looks more like a graphing calculator than a modern handheld device. But it sports a QWERTY keyboard, a 4 inch display, and a ...

Radio Frequency Identification is widely used in contactless payment cards, National Highway Tollgate systems, and in security passes. By integrating an RFID reader with an Arduino, you will be able ...

To avoid road accidents due to alcohol consumption, an innovative prototype, “Alcohol Proof Smart Vehicle”, has been developed, where the vehicle will not start if the driver is drunk. As per the ...

The Arduino Opta micro programmable logic controller (PLC) provides a unique entry point into the automation field. Automation fields like smart homes, process controls, and robotics are project areas ...