This traditional configuration with the 555 was obtained in an 80s Hands-On Electronics. The relay is of the sensitive type according to the supply voltage.
Obtained in a 1969 Ferranti documentation, this circuit dissipates only 2.2 mW with 4.5 V. The...
This circuit appears elsewhere in this section, but taken from other sources. This is an English...
July 2017 - Mouser Electronics already has in stock the new SCRs from the SJxx40x high temperature series from...