Every ham radio shack needs a clock; ideally one with operator-friendly features like multiple time zones and more. [cburns42] found that most solutions relied too much on an internet connection for ...

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: Urban streetlight systems often rely on manual monitoring, leading to inefficiencies in maintenance, excessive energy consumption, and increased operational costs. Traditional methods do not ...

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: Through the use of the Espressif Systems32(ESP32) microcontroller's embedded Global Positioning System (GPS) Neo 6m module, DS3231 RTC, Network time protocol(NTP) Pool Server, and Organic ...

NORVI RPI-HMI is an industrial controller with a 7-inch touchscreen screen display powered by a Raspberry Pi CM4 and equipped with a range of interfaces including a gigabit Ethernet RJ45 port, a few ...

An Orange Pi Zero with attached GPS, TFT and RTC devices, to create a stratum 1 NTP server. Although we're using an Orange Pi Zero (OPiZ) here, the specific single-board computer used isn't all that ...

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 ...

At home, I have a lot of connected objects that use an NTP server to set the time. Having your own NTP server can be very useful in the event of an internet outage! I started from the Elektor project ...