Flower clock using ESP8266 and MAX7219
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updated April 27, 2022

Description

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an alarm clock for my daughter. Uses an ESP8266 to get the time from internet. A speaker and WS2812B led strip for the alarm.
https://www.youtube.com/watch?v=lCmqtkWivjo

Electronics

 

for this you'll need following:

  • ESP8266 (i used a nodeMCU)
  • WS2812B strip
  • 4 tactile switches 6x6
  • 4x 10Kohm resistor
  • max7219cng
  • 2x Kingbright DC08-11EWA (7seg led display)
  • 15Kohm resistor
  • 2x Header-Female-2.54_1x2
  • Header-Male-2.54_1x3
  • IRL2703PBF mosfet
  • 32ohm resistor (change as required, controls the volume of the speaker
  • 330ohm resistor
  • 2x 100uF capacitor
  • potentiometer 10k - 3362P-1-103LF

i used transparent PLA for the flower petals. the center of the flower was printed in yellow PLA.
the petals were printed without supports. there are some custom supports in the STL file. it still needs to print with a lot of overhang. it's a challenge.

 

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