Audio
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LM358 Dual Op-Amp IC | Low Power Operational Amplifier (DIP-8)
The industry-standard chip for audio and signals. The LM358 contains two independent, high-gain operational amplifiers in a single 8-pin package. Unlike the older 741 Op-Amp, the LM358 is designed to work perfectly with a single power supply (like a battery).
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Package: DIP-8 (Breadboard Friendly)
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Supply Voltage: 3V to 32V
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Best For: Pre-amplifiers, Active Filters, and Line Following Robots (Comparator).
Sound Sensor Module (Microphone) | Clap Switch & Alarm Detector
Turn on lights with a clap! This microphone module detects sound waves and converts them into a digital signal for your Arduino. It is the core component for "Clap Switch" projects and noise-activated alarms.
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Sensitivity: Adjustable via Blue Potentiometer.
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Outputs: Digital (Gate) and Analog (Waveform).
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Microphone: High-Sensitivity Condenser Mic.
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Best For: Clap Switches, Baby Monitors, and Noise Alarms.
TPA3118 Power Amplifier Board Module – PBTL 60W Mono Digital Class-D
