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seven segment LED clock (ESP8266 + WS2812b)
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Just another seven segment LED clock.Current version of SW working, but it isn't final version. What is working: time…
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- Creative Commons — Attribution — Noncommercial — Share Alike
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Just another seven segment LED clock. Current version of SW working, but it isn't final version.
What is working:
- time on dislpay
- synchronization from NTP server
- time in local time zone. This zone must be specified manually on source code like "Europe/Prague". See https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
- extreme simple web interface to allow select LED color and brightest.
- connect to internet over WiFi. Network name and password must be specified manually in source code.
- ambient light sensor and automatic brightest control.(need APDS-9960 light sensor module)
- local RTC suport as clock source backup (need RTC module based on DS3231)
Features in todo list:
- show temperature from internet connected weather station
- better web configuration
- user friendly WiFi setting
It is almost fully parametric OpenSCAD design. Generated STLs are for 110mm digits, but you can create size as you want to have.
OpenSCAD source files are here
List of material (4 digit version "88:88"):
- Wemos D1 Mini ESP8266 board
- 1m 1m WS2816b strip, 60 LEDs/m
- 2pcs WS2812B PCB Board 1 led Pixel
- 6pcs M3 x 12mm screws
- 6pcs 5x5mm M3 brass inserts
- 1pc GY-9960LLC APDS-9960 RGB Sensor Module
List of material (6 digit version "88:88:88"):
- Wemos D1 Mini ESP8266 board
- 1.5m 1m WS2816b strip, 60 LEDs/m
- 4pcs WS2812B PCB Board 1 led Pixel
- 12pcs M3 x 12mm screws
- 12pcs 5x5mm M3 brass inserts
- 1m alluminium "L" profile 10x10 mm for stand inner reinforce
- 1pc GY-9960LLC APDS-9960 RGB Sensor Module
EDIT:
- 2018-10-14 information about preliminary SW
- 2019-01-04 update SW status
- 2019-01-08 add segment order picture
- 2019-03-25 there is problem with daylight saving change on used ezTime library. Author of this lib know about it and he will release fix soon. Please update your SW after it. See also here
- 2019-03-26 ezTime library is fixed. Mimimal version for this project is 0.7.10 (DST change fixed)
- 2019-11-14 stand_v2.stl with hole for light sensor.
- 2020-01-12 update BOM links
- 2020-06-21 6 digit stand STLs
Category: Electronics