Littelfuse, Inc. introduced the CPC2501M, a robust, self-actuating, normally closed solid-state relay optimized for chime ...

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 ...

Waveshare ESP32-S3-Relay-6CH is a 6-channel WiFi and Bluetooth relay module based on Espressif Systems ESP32-S3 wireless microcontroller that also supports RS485 control and comes with headers taking ...

In adding an alternative cutter drive motor (‘spindle’) to an existing cnc machine, an electrically isolated pwm to analogue converter is needed. The machine uses a ‘grbl’ controller, which has an ...

A single-channel relay is an electronic switch that can be controlled by a low-power electrical signal, such as the output from an Arduino microcontroller. By using an Arduino Uno and a single-channel ...

It comprises Arduino Uno Board, DHT22 temperature and humidity sensor, BC548 transistor T1, a 5V single changeover relay, light-emitting diode LED1, and resistors R1 and R2. Arduino Weather Station ...

Fig. 1: Author’s prototype for Contactless Hand Sanitiser Dispensing System Circuit and working The circuit diagram of contactless hand sanitiser dispensing system is shown in Fig. 2. It includes 12V ...

Arduino is the first widespread Open-Source hardware project and, since 2005, has become almost ubiquitous in microcontroller projects. The Arduino Pro line is aimed at the more professional user who ...