L293d H Bridge Circuit

This electronic lighting dimmer circuit is designed to control the brightness of incandescent lamps, but it is not suitable for fluorescent lamps. It operates with both 110V and 220V AC power sources. The circuit is connected in series with...

A differential amplifier with input impedance as indicated in the circuit diagram. A differential amplifier is a crucial component in various electronic applications, primarily used to amplify the difference between two input voltages while rejecting any common-mode signals. This characteristic...

This circuit produces a two-tone effect similar to the cuckoo song. It is suitable for use in doorbells or other applications due to its integrated audio amplifier and loudspeaker. When utilized as a sound effect generator, it can be...

This system is designed for use with a PC connected to video projectors, enabling a lighting controller to manage a presentation displayed on the video screen. The PC used for the presentation is situated in a different location from...

A low-cost, simple radio circuit schematic using an operational amplifier. This radio circuit diagram consists of a sensitive audio amplifier that receives strong signals. The presented radio circuit schematic utilizes an operational amplifier (op-amp) to create a cost-effective and straightforward...

A 100W resistance-triggered motor control circuit designed for arc welding machines. It features an adjustment potentiometer (Rr) that can modify the DC motor excitation current. Additionally, a regulator (RP) is included to adjust the DC motor armature voltage, enabling...