Circuit and Working Fig. 2 shows the circuit diagram of the automatic school bell. It is built around Arduino Uno R3, 16×2 LCD display with I2C (MOD1), DS3231 RTC, 4×4 matrix keypad, 5V SPDT relay, ...

Arduino library for the PCF85263 RTC (I2C). Contribute to RobTillaart/PCF85263 development by creating an account on GitHub.

Waveshare “ESP32-S3-Touch-LCD-4.3B” is a capacitive touch display development board built around an ESP32-S3 SoC with RS485, CAN Bus, I2C, and isolated DIO interfaces provided through a terminal block ...

The Raspberry Pi Pico is both faster and cheaper than the Arduino Nano, but the nano has better resources and community.

Arduino Uno R4 WiFi comes with built-in Wi-Fi and Bluetooth capabilities, along with additional pins and a new, faster processor.

Waveshare R7FA4 PLUS A clones the Arduino UNO R4 Minima board, and the R7FA4 PLUS B board the Arduino UNO R4 WiFi with 3.3V shields support.

A circuit (Figure 1B), based on an Arduino Nano microcontroller (Arduino, via Amazon) and a real-time clock unit (DS1307 RTC I2C, Fasici, via Amazon), is placed into a 3D-printed PLA enclosure box to ...

Arduino is shipping its updated UNO board with a 32bit ARM Cortex-M4 processor from Renesas and a WiFi version with a dual-core chip from Espresssif. The UNO R4 updates the popular UNO R3 and comes in ...

In this article we discussed how RTC Module works and how we can interface it with Arduino to build DIY Arduino digital clock.