Category Archives: Arduino

Weather Station Zero

Demo Page Link –

Concept – Monitors the Temperature, Humidity, and Barometric Pressure out on our deck.

Parts – Uses a DHT11 for the temperature and humidity readings and a BMP280 for the barometric pressure. The MCU is an Adafruit Hazzah ESP8266.

Development Prototype
The Circuit

Finished Device:

CozMcC Engineering Bus Sign

Demo Page Link


Reminiscent of the Netscape Engineering Bus Sign from back in the 90’s. The ESP8266 acts as a web server passing off the input text to the nano which displays it on the LED Matrix


  • Arduino Nano
  • MAX7219 LED Matrix Display Module
  • ESP8266 ESP01 Module
  • Active Piezo Buzzer


This is the ESP8266 System on a Chip

Early Trial Run