Found in a Popular Electronics from the 90s, this circuit can be used as an electrifier. T1 can be an old TV fly back transformer or an ignition coil.
August 2017 - Mouser Electronics is already stocked with Silicon Labs' I2C Si705x A10 interface...
The sensors in this circuit are NTCs and PTCs that work in a differential way by directly...
We found this circuit in the August 1994 issue of Electronics Now. The 4046 is unusual today. The...