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.
November 2016 - New LM2904 amps amplifiers consisting of specially designed operational amplifiers for motor...
This Harris circuit from the 90's is intended for recording old EPROM memories. The circuit uses...
Found in a Maxim documentation from the 1990s, this current-sensing amplifier uses components from the...