Monostable TTL (CB20797E)

This circuit, which can be used as a shield, has its time determined by RA and C connected at the input of the 555.

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BCD Decoder (CB25829E)
This circuit is interesting for experiments and can be part of the bench in the form of a module. The...
Constant Current Source (CB12272E)
Constant currents from 10 mA to 1 A can supply the load, depending on the selection made by S1. Q1...
Infrared Optical Link (CB14674E)
In the figure we have the transmitter and the receiver for an optical audio link via infrared. The...