Building a Wireless Temperature Sensor
I have built quite a few (1,2,3) temperature measurement circuits in the past, but none of those has remote sensing […]
Building an Auxiliary Display
I wanted to be able to check my web server’s statistics periodically but did not want having to log on […]
Arduino Serial Using LT1780
Most of the recent Arduino and compatible boards use some kind of USB to UART hardware (e.g. FT232RL in Arduino […]
A Dual Temperature Display With Humidity Measurement
I built a digital thermometer a couple of weeks ago. This thermometer uses an LM19 sensor calibrated for measuring a […]
A Sensitive DIY Ultrasonic Range Sensor
I needed some ultrasonic range finders for my project. But most of the commercial sensors like Parallax’s PING sensor and […]
Digital Metronome
It is fairly simple to build a digital metronome using an ATmega328 AVR chip and some minimal programming using the […]