This current control for DC motors was found in documentation from the 1970s. The current depends on transistors that support modern equivalents.
Figure bellow shows how the flip-flops of a 4027 can be connected to perform a divide-by-5 counter [odd...
The basis of this 90s circuit is a CA3130 operational amplifier. The circuit does not need a...
With the indicated components, this circuit oscillates at 1232 Hz. Consider the tolerance of the...