Skip to content

Cassiopeia Ltd

the joy of making stuff

Menu

  • home
  • workshops
  • kids
  • hobby projects
  • 3Dmaps
  • teaching materials
  • about

Month: June 2017

IoT clock with LED matrix (Arduino & ESP8266)

IoT clock with LED matrix (Arduino & ESP8266)

This box shows the time (NTP sync) and a few data feeds of my home monitoring system. It uses a 32×16 LED matrix driven by an Arduino Nano, and ESP8266 Wifi module (NodeMCU v1). I put it in a laser

TomT 10/06/201714/06/2017 projects 2 Comments Read more

Contact

tom@cassiopeia.hk
www.cassiopeia.hk

Creative Commons Licence
All content of this website is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Recent projects

  • PIR activated lights for art alley
  • Testing the DFR0580 solar lead-acid battery charger on the bench
  • LoRaWAN river level sensors – battery life
  • The next Helium scam: earning HNT by generating data traffic over low-cost Data-Only Hotspots?
  • Finding real Helium hotspots in Hong Kong (part 2)
Copyright © 2025 Cassiopeia Ltd. All rights reserved. Theme Spacious by ThemeGrill. Powered by: WordPress.