Ice Warning on the Track (CB6046E)

We found this circuit in an 80's Radio Electronics. The circuit uses a PTC sensor and an LED indicator. The power comes from the car's own battery.

FM Signal Generator (CB3897E)
This circuit was found in documentation from the 1970s. However, it can be implemented with modern...
Simple Alarm Siren (CB4543E)
This circuit was obtained from an English magazine from 1980, but as it uses components that can...
Shields Grove for Intel® Joule ™
April 2017 - The Shields of Seed Grove Modules for Intel Joule can now be obtained from Mouser...