ESP8266 NodeMCU based clock, 60 NeoPixels ring display with DHT22, LDR, PIR and Audio sensors. Tracks CheerLights, updates no-IP and posts log data to ThingSpeak and Twitter.

Channel that stores current time (hour and minute) obtained from a web API

Clock logger for 3/4 secundum pendulum clock

Clock Monitor Bucklebury

Clock going longcase clock (Richard Harris c. 1770)

Tracking drift in time with an ATMega328 acting as the RTC (using 32.768 kHz crystal)

Debug data from LED matrix clock