LA3ZA Radio and Electronics

I've had my APRS temperature station running since 2012 . It is based on a DS18S20 sensor that just sticks out of a window. However, aft...

0.33 uF X2 capacitors which measured only 0.097, 0.1, and 0.118 uF. Many devices now use a capacitor power supply thus saving the space...

161.3 cm 27.0°  347.7 m/s Ultrasonic distance sensors can find the range out to 2-4 meters and are popular in e.g. robotics. Here...

My children know what kind of gifts that please their father, so they gave me a Supermechanical Twine for Christmas. It is described in t...

My APRS -based temperature monitor has now worked flawlessly for half a year. APRS stands for Automatic Packet Reporting System so it can se...