This circuit with TTL compatible output was found in a 1968 US documentation. The circuit is powered by 5 V and the frequency can be changed by changing the crystal.
Suggested by a 1968 Philips documentation this Eccles Jordan rocker as it was called can operate...
May 2016 - It can be obtained from Mouser Electronics new tricolors chipsLEDs from Broadcom for...
May 2017 - This proximity and touch controller from Azoteq can control 12 mutual channels and can...