* Sucessfully run at 80MHz with this simple code test, without any changes to the normal clock setups. * ... using Wake-From-Interrupt to remove unneeded loop() spinning. * Take care about maximum ...

An Arduino project implementing a security alarm system featuring PIN code access via a 4x4 keypad, status updates on a 16x2 LCD, motion detection using an HC-SR04 ultrasonic sensor, and ...

In this article you will learn how to make a digital clock using Arduino and the DS1307 RTC IC. What is DS1307 IC actually? Well, it is a Real Time Clock (RTC) IC that is simple to use, low cost and ...

Some of our readers will remember the Qlocktwo clock, that display the time in words rather than numbers, now you can make your own DIY version using the power of Arduino. The clock can be made with a ...