In the figure we have the configuration of series regulator protector suggested by Motorola in 1968 documentation. The transistors are of the time, being able to be used modern equivalents.
This circuit can provide a maximum load current of 1 A. The integrated circuit must have a...
This control for 12 V drills was found in a 90s Elektor. The components are current, and Q1 can be...
Figure 1 shows how the 4029 can be connected to count up to 10 and also up to 18. If pin 9 is...