MIT App Inventor in QST Amateur Radio Magazine
I just got the latest issue of QST Magazine and saw an article on making Amateur Radio Android App using the App Inventor. This seems to be turning up everywhere…
July 2015
USB Coin Drop Mech for Ardiuno
I pulled this coin mech from an Asteroids cabinet I converted to Mame. it looks daunting with all these wires but its really simple. Most of that wiring is lighting…
Various Gauge Demos in AI2 App inventor
One of the first things I tried with the canvas element was a simple single needle thermometer. Next an old fashioned tube type thermometer. Then some simple side view gauges.…
Android Arduino Room Thermometer
Here’s the matching student demo for the MIT App Inventor Oven thermometer I made. This way students can test the thermometer simple by touching the sensor You’ll need some flavor…
Android Arduino Oven Thermometer
Here’s the demo for the MIT App Inventor Oven thermometer I made. You’ll need some flavor of Adruino, a Bluetooth SPP module, a max6675 thermocouple amplifier and a thermocouple to…
Heavy Duty BalUn or UnUn
First day of vacation and I wanted to tune up my Kenwood Ham Radio. Its a great working hybrid transceiver. It has 3 Vacuum Tubes. The driver and a matched…