This clock was designed to fit in the Serpac A20 enclosure. It features the HDSP-2534 8-digit alphanumeric LED display and support for the ESP8266 WiFi module (hence the name "WiFiChron"), a buzzer and 3 buttons. It also has support for Bluetooth, GPS (see last photo) and other XBee-like modules. This is the perfect board to experiment with ESP8266 (connecting to the internet) or GPSBee (acquiring time etc from satellites).
The processor, which comes programmed with a similar sketch as my other HDSP clock (check my store), is ATmega328 running at 8MHz (internal clock). It can be reprogrammed with your own sketch, using the Arduino IDE.
The clock uses DS3231 as RTC with CR1220 battery backup.
The ESP8266 and the Serpac A20 box are not included. They can be easily sourced from tindie or ebay (ESP8266) and Digikey (A20) respectively.
Two of the components are SMD: LM1117 (3.3V regulator) and DS3231 (RTC). I can solder those if you think it is too challenging for you to do it (just ask).
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I like clocks, I like hardware, I like Arduino.