This robot vision circuit was published in the December 1986 issue of Radio Electronics magazine. The circuit uses 9 LDRs as sensors forming a sensor array. The circuit must be powered with 5 V.
We find this circuit in American documentation from the 1980s. The accuracy of the circuit depends on the...
The presented circuit uses a symmetrical power source to supply an amplifier with the LM139 or...
High quality sound can be obtained from this transistor amplifier. The output transistors must be...