The operational amplifier of this circuit can be the 741. The circuit has very low consumption and can be powered by two 9-B batteries. Low voltage amplifiers can be used.
With this circuit it is possible to control a current of several amps, depending on Q1, from a low...
Books and e-Books by Institute NCB 100 CIRCUITS - SHIELDS FOR ARDUINO FUN PROJECTS FOR THE...
This cricket circuit obtained in a 1992 documentation has an amplifying stage that, however, takes...