Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

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 ...

This is a DIY Arduino-based overcurrent relay project that emulates Inverse Definite Minimum Time (IDMT) protection using an Arduino Nano and ACS712 current sensor. Instead of traditional ...

Tor has announced improved encryption and security for the circuit traffic by replacing the old tor1 relay encryption algorithm with a new design called Counter Galois Onion (CGO). One reason behind ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...

We often marvel at the many things a 555 can do. But [Zafer Yildiz] shows us that it can even take the place of a PCB. You’ll see what we mean in the video below. The timer relay circuit is built ...

Wearing a helmet is a legal requirement in most countries, including India. This life-saving gadget is sure to benefit from tech enhancements. For demonstration purposes, we will be using a separate ...

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 ...

"BCC Research Study Forecasts a 9.2% CAGR, with Market Growth from $17.2 Billion in 2024 to $26.8 Billion by 2029, Driven by Increasing Demand for Electrical Safety and Grid Reliability." This report ...