Doug Domke
Published © GPL3+

Self-Setting Super Accurate Clocks

In this age of WiFi and the Internet of Things, clocks should set themselves and be super accurate. It's about time!

IntermediateFull instructions provided2,026

Things used in this project

Hardware components

Arduino MKR WiFi 1010
Arduino MKR WiFi 1010
Only component required for Project 1
×1
Micro USB Cable
Required to connect MKR WiFi 1010
×1
4 Digit 7 Segment Display with I2C Interface
Only additional component for Project 2
×1
16 x 2 LCD Display with I2C Interface
Only additional component for Project 3
×1
Breadboard Solderless
Optional except for Alarm
×1
3 volt Beeper / Buzzer
For Alarm
×1
5 mm LED: Red
5 mm LED: Red
For Alarm
×1
General Purpose Transistor NPN
General Purpose Transistor NPN
For Alarm - I used a 2N2222 but any NPN should work
×1
Through Hole Resistor, 180 ohm
Through Hole Resistor, 180 ohm
For Alarm
×1
SPST Button Momentary
For Alarm
×4

Software apps and online services

Arduino IDE
Arduino IDE

Story

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Schematics

Schematics for all 4 projects

Code

Sketches for It's About Time

Arduino
4 sketches for 4 projects in a Zip File
No preview (download only).

Credits

Doug Domke

Doug Domke

4 projects • 51 followers

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