Eric Aspeling
More ideas from Eric
The Basics of Ham Radio - Backdoor Survival

Beautiful article on the joys and uses of HAM radio, including resources to get hooked up and licensed.

MARS Radio Corporation MRC M458, SSB/AM handy-transceiver (big video)

MARS Radio Corporation MRC SSB/AM handy-Transceiver. There was a Problem on the SSB-Modulation preamplifier in the hybrid-IC Now, I've rebuil.

Simple, Cheap Motor Controller

I've used this simple circuit several times to drive motors (like in my Stair Climbing robot) as well as solenoids. I originally picked it up from this instructable.

Arduino Greenhouse Control - Humidity and Temperature

This project will regulate the humidity and temperature of any greenhouse through the use of heaters and fans. Additional tutorials will be added over time for.