ICStation Electronic Temperature Control DIY Kit Sound Light Alarm Suite DC 3-5V
With Simple circuit, easy soldering, this suite is very suitable for the teenagers to learn circuit and soldering.
It uses the sound and light to finish the alarm, and it can be used to detect the temperature. In conclusion, it has ...
ICStation Blackberry Cellphone Tracking Ball Trackball Breakout Board Module ICSH044A
Working Voltage: 2.5~5.25V
PCB Size: 22*28mm
The four spindles on the trackball have a tiny circular magnet in the end.
Each of these are paired with an SMD hall effect sensor, which are used to measu...