Commander1024/led-ring-clock-ntp
Commander1024/led-ring-clock-ntp
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Marcus Scholz 2019-02-05 18:43:23 +01:00
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# led-ring-clock # led-ring-clock
An Arduino-based analog clock using an WS2812B addressable RGB LED ring as a display. An Arduino-based analog clock using an WS2812B addressable RGB LED ring as a display.
This sketch requires the FastLED library, the Wire library (built-in), the EEPROM library (built-in), and the NtpClientLib. This sketch requires the FastLED library, the Wire library (built-in), the EEPROM library (built-in), and the NtpClientLib
(currently requires develop branch).
https://github.com/FastLED/FastLED https://github.com/FastLED/FastLED
https://github.com/gmag11/NtpClient/tree/develop https://github.com/gmag11/NtpClient/tree/develop
### 3D-printable enclosure ### 3D-printable enclosure for NeoPixel Ring (24 LEDs)
Design files available on Thingiverse: https://www.thingiverse.com/thing:2730265 Design files available on Thingiverse: https://www.thingiverse.com/thing:2730265
### Electronics information ### Electronics information
The LED ring is connected to digital pin 3. Momentary N/O button is connected to digital pin 5. 10K potentiometer is connected across power and ground and the wiper is connected to Analog 0. DS1307 RTC breakout is connected to the board's default I2C pins. This code has only been tested with an Adafruit 24 Neopixel Ring, but should (hopefully) work with any type or size of WS2812B ring, and with minimal changes it should work with rings using other types of RGB LEDs. The code should work on any ATmega328 based board. The LED ring is connected to digital pin 3. Momentary N/O button is connected to digital pin 5.
10K potentiometer is connected across power and ground and the wiper is connected to Analog 0.
This code has been tested with WS2812B LED Strips of up to 120 LEDs, but more should
be possible. With minimal changes it should work with rings using other types of RGB LEDs.
The code should work on any ATmega328 based board.
### Blog-Post with howto and more details (German)
https://www.commander1024.de/wordpress/2019/02/analoge-arduino-led-uhr/