stereo ir audio receiver circuit

This solid-state push-pull single-ended Class A circuit is capable of providing sound quality comparable to valve amplifiers, delivering an output power of 6.9W measured across an 8 Ohm loudspeaker cabinet load. It exhibits lower total harmonic distortion (THD), higher input...

40 Watt Audio power Amplifier LM3876

This Circuit is based on the LM3876. A 11-pin plastic package IC with high performance audio power amplifier, an output mute function which can be used to eliminate switch-on and switch-off "thumps" to the loudspeaker load. It is capable of...

High-Power Car Audio Amplifier

Note for bridge configuration: 1. Install jumpers JU2 and JU4. 2. Remove J1. 3. Remove RIO. 4. Replace R13 with a jumper wire. 5. Replace R15 with a 4.53 kΩ, 1% resistor. 6. Replace R14 with a 13 kΩ, 1%...

Infrared Toy Car Motor Controller

This add-on circuit enables remote switching on/off of battery-operated toy cars using a TV/video remote control handset operating at 3040 kHz. The described circuit utilizes a remote control system to facilitate the wireless operation of battery-powered toy cars. The primary component...

Audio Compressor Circuit

This compressor will compress a 25-mV peak-to-peak (p-p) audio signal to a 20-V p-p output, maintaining input levels between 1.5 V p-p and 3.5 V p-p, with a frequency response ranging from 7 Hz to 67 kHz. It is suitable...

synced using infrared phototransistors

The circuit involves infrared phototransistor pairs positioned at three locations within a maze, including the endpoint. The maze is designed to be narrow enough for a single finger to slide through, and as fingers pass the phototransistors, a sound will...

Infrared Remote Control

The infrared remote-controlled switch is the second remote-controlled project on this website, utilizing a 555 IC circuit diagram along with a description of the remote-controlled switch. The infrared remote-controlled switch operates using a 555 timer integrated circuit (IC), which is configured...

TDA1514 40 Watt Audio Amplifier Circuit

This is a compact, easy-to-build amplifier that utilizes a single integrated circuit (IC) to deliver 40 watts of audio power. It is well-suited for amplifying audio signals from devices such as mobile CD players or iPods. The integrated circuit employed...

Remote Control Tester Circuit PCB

This document presents an infrared remote control tester circuit that can be constructed at a low cost. The circuit is built around the infrared receiver module TSOP1738. The state of the remote control can be observed through the sound emitted...