Automotive Fuse Monitor (CB26299E)

We found this simple car fuse monitor circuit in a William Sheets. The LED lights up when the fuse blows.

VHF Modulator (CB5365E)
This circuit is from old American documentation, but the transistor used is still very common...
Shields Grove for Intel® Joule ™
April 2017 - The Shields of Seed Grove Modules for Intel Joule can now be obtained from Mouser...
Luminous intensity meter (CB23621E)
This photocell circuit was found in Radio Electronics magazine from July 1959. The transistor used...