CuVoodoo

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led_clock [2016/08/01 10:39]
kingkevin add DCF77 module
led_clock [2017/10/13 16:13] (current)
kingkevin link old firmware
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 For that you will need: For that you will need:
   * WS2812b RGB LEDs strip (long enough to go around the clock)   * WS2812b RGB LEDs strip (long enough to go around the clock)
-  * development board with a STM32F103 micro-controller and 32.768 kHz oscillator for the Real Time Clock (such as the blue pill), or external RTC module ​(such as the I2C DS1307)+  * development board with a STM32F103 micro-controller and 32.768 kHz oscillator for the Real Time Clock (such as the blue pill), or external RTC module such as the I2C DS1307 ​(only supported in the [[https://​git.cuvoodoo.info/​led_clock-old/​|old firmware]])
   * coin cell battery to keep the RTC running (optional)   * coin cell battery to keep the RTC running (optional)
   * GL5528 photo-resistor to adjust the LED brightness (optional)   * GL5528 photo-resistor to adjust the LED brightness (optional)
led_clock.txt ยท Last modified: 2017/10/13 16:13 by kingkevin