Content for DS3231

Arduino TOTP Generator

“Inspiration Having a friend with an interest in cryptography and security, I wanted to create the perfect birthday present. *This is a project I made as a birthday present and was created within tight time constraints (pardon the messy workmanship …

Chernobyl Dice

“The Chernobyl Dice is a quantum random number generator [0] that uses nuclear decays from a weakly radioactive sample as a source of entropy. It consists of four primary components: - An Arduino Nano microcontroller - A Geiger counter - Six uranium glass …

7 Segment Clock

“After several year of using, my analog clock if definitively dead. Meanwhile i was looking for a 3d clock project to print with my Prusa, so i found a 7 segment clock to be driven by ws2812 leds and Arduino …

DIY Stepper Motor Clock with NXP LPC845-BRK

“This project is about building a stepper motor clock around the NXP LPC845-BRK board. The design is using a combination of 3D printed and laser cut parts and costs below $15. The GitHub repository (see links at the end …

Self-sustaining Plant Wall

“Many busy professionals want to have plants in their home, but don’t have the time to maintain them. This self-watering planter maintains the plant by itself, requiring only a tank refill every other week. It waters the plants when …

IoT Nixie Clock Shield for Arduino

“IoT Nixie Clock can be controlled via Arduino Cloud or Amazon Alexa thanks to the Arduino Nano 33 IoT. Use your Arduino and build IoT Nixie Clock, Thermometer and Hygrometer. Nixie Clock Shield is designed for all Arduino boards (Uno …

Crazy Clock 4

“It’s a clock with a lot of flashing lights. Features - GPS synchronized timebase. - DS3231 TCXO RTC backup timebase. - Digital date/time display with AM/PM and Day of Week. - Binary time display. - Circular time display. - Analog meter time display …

A Very Compact Alarm with Card Reader and Real-Time Clock

“This is an alarm for your house that rings when a movement is detected, like when the door is open or when a body walks in front of it. Story This is my first project released on Hackster and every …

See-Through Matrix Clock

“A variant on the wooden wine box dual MX7219 matrix chiming clock. Rotating time, date, temp, humidity, day with events and chimes. In a previous project (matrix clock) most of the ‘guts’ for the code were done, but this continues …

Sunrise Alarm Clock

“Alarm clock with ramp-up light and music to get you out of bed on cold winter mornings A simple alarm clock build that wakes you up with both music and light. Each of the three alarms can be enabled for …