In this tutorial, you will learn how to send WhatsApp messages from Arduino UNO R4 WiFi using the CircuitDigest Cloud Whastapp API. Instead of using a GSM module, SIM card, or complex WhatsApp ...

The Smart SMS Alert System using Seeed Studio Xiao ESP32 is one of the compact IoT projects that uses an HC-SR04 ultrasonic sensor to detect nearby movement. The system acts like a motion detector ...

I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.

Upgrade your SMARS Robot with OLED, RGB LEDs, and a buzzer! Follow my guide for circuit design, 3D printing, and custom Android app control. Welcome to the second version of the DIY SMARS Robot! In ...

Today, We will review the Cytron Maker Uno RP2040 development board combining the Arduino UNO form factor with the Raspberry Pi RP2040 microcontroller that makes it programmable with the Arduino IDE ...

Re-usable utility components for Arduino projects. All the stuff we all end up re-implementing every project - buttons, averaging samplers, voltage and current measurements calculations and so on. The ...

A pet is loved like a baby in a family and needs lots of attention and care. But sometimes due to our busy schedule, we forget to take care of the pet’s daily needs. This device will help in providing ...