All posts in the 'General electronic projects' Category
DTMF decoder can be powered from a 9V battery or from your parallel printer port. It can detect and display all 16 DTMF digits on your computer screen in real-time. The Window’s program can be placed in the minimize mode and still detect tones while you use your computer to do other things like Net surfing.[more]
Theย�High Altitude Photographic Balloon useย�a Parallax BS2px and is responsible for reading and recording latitude, longitude, time, altitude, internal capsule temperature, external capsule temperature, and taking pictures. Additional responsibilities include managing memory storage, relay controls, and audible signals.[more]
ย�
The Windmeter is an anemometer designed to measure and record wind speed distribution from 0 to 17+ meters per second. It was designed for high reliability, ease of construction, and for a wide environmental range. Data is logged over a period of 30.46 days (1/12 of a year), and then saved for 11 months. The data can be retrieved with a laptop computer any time within the 12 months of logging. The Windmeter is self-powered by a solar pannel and battery.[more]
Ginger is a physical computing platform similar to Gainer (which is based on a PSoC chip). You can read digital and analog inputs and set output data, all over USB. Ginger’s web site is documented in Japanese and English,and Readme file in the project is in English. [more]
This charger designed by Ajoe on wattflyer.com forum.The circuit based on Scott Henion ’s Lipo Charger.Each charger has output voltage 4.2V. Cascade them to become Charger fit for 2 or 3 cels Lipo pack.The transformed that used here has 3 x 8VAC secondary output.[more]
