Simple IOT Clock (DOT Matrix, NTP)
thingiverse
# Introduction This is a straightforward IoT clock that relies on NTP to synchronize the time with UTC. It then displays the time on an inexpensive Dot Matrix display. When the hour changes, it showcases a spiral animation. The project employs a WiFi manager to store credentials on the ESP8266. If it can't connect to the internet, it will start a WiFi access point named ESPXXXX. Connect to this WiFi access point and access http://192.168.4.1 to configure the WiFi credentials. # Building Connect the display to the 3.3V power supply and attach the rest of the pins to: ``` CLK_PIN D5 DATA_PIN D7 CS_PIN D8 ``` # Part List 1x ESP8266 1x MAX7219 Dot Matrix Display 1x Case & USB Cable # Case I printed the case out of PETG, but it will work in any other plastic. The DOT matrix display is simply glued in. # Source Code Visit my GitHub to obtain the latest source code. [View source code](https://github.com/wilyarti/Simple_IOT_Clock "Source code.")
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