In this guide, we will create a simple and precise digital clock using the Raspberry Pi Pico RTC DS3231 Module through the Arduino IDE. We will use a 16x2 I²C LCD screen to display the information.

Abstract: Increasing health awareness has led to a rising trend in supplement consumption for well-being. Health issues such as high cholesterol, hypertension, and cardiovascular diseases affect ...

This proposed Arduino-based automatic bell device is an electronic system that rings bells at predefined times without manual intervention. It is built around an Arduino Uno, which is programmed to ...

Abstract: This research explores the development of an Arduino-based Fingerprint Scan for Attendance-taking System aimed at addressing the shortcomings of traditional attendance methods in educational ...

A few months ago, SparkFun released the “Datalogger IoT – 9DoF” no-code platform based on ESP32 with some built-in sensors, a microSD card, and two Qwiic connectors to add sensors in order to perform ...

The DS3231 RTC module is a real-time clock that uses less power and has highly accurate communication via an I2C interface. Also, the DS3231 real time clock has its temperature-compensated crystal ...

Clocks are probably one of the most popular topics in DIY electronics, together with radio receivers. I wouldn’t be surprised if every reader of this article has built a clock at least once. I have ...

ESP32-C3 automatic plant watering system using capacitive moisture sensor and DS3231 real-time clock. Logs watering history to Google Sheets document. Configurable and firmware upgradable via ...

We’ve already seen ESP32 WiFI & Bluetooth SoC combined with a cellular modem several times already, and a couple of days ago, I wrote about LILYGO T-A7068X ESP23 board with a 4G LTE modem. Iconic ...