LED Sequencer (CB21711E)

This is one of the many versions of this circuit that appear on this site. We got it from an internet documentation.

Simple sound bridge (CB6069E)
This simple bridge circuit can be used for impedance or resistance measurement using a high...
1,000 V Voltage Source (CB522E)
This circuit can source up to 1,000 V from a 9 V battery. Output current is very low, some...
Changing the frequency of the LED blinking (CB24661E)
The figure shows how to change the frequency of a 5 V LED blinking. The capacitor can have other...