Dark switch (CB8256E)

This twilight switch or pass switch was obtained from a 1967 Philips documentation. The circuit supports modern equivalents, including the sensor.

Programmed Counter 4018 (CB4627E)
You can program the 4018 in other ways, as shown in the figure. In this 7 divider configuration, for...
Battery Charger ENC 360 360 W
July 2017 - The new Mean Well ENC-360 360 W battery chargers suitable for motorcycle battery...
NiCad Charger (CB7525E)
This circuit was found in a 1982 Maplin magazine (England Component Store). The circuit has...