We found this circuit in the August 1994 issue of Electronics Now magazine. The circuit is based on the now uncommon CMOS 4046. The frequency range is given by C1.
This circuit can be used to activate the lamp when it gets dark. We found the circuit in old...
Based on a unijunction transistor, this circuit was found in the January 1994 issue of Electronics Now...
Mouser Electronics already has in stock the new RF transceivers Atmel / Microchip ATA8820 SIGFOX ™ for...