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.
This circuit was obtained in an old Argentine publication, using germanium transistors and...
This 3-transistor buzzer or buzzer is a classic type found in the July 1998 issue of Electronics Now...
This oscillator can use inverters or connected AND or NAND gates as such. The signal produced with...