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digital output Gas Analog CH4 Gas Sensor MQ4 For Arduino gas sensor with analog output adjustable sensing range
It pairs well with Arduino
A great replacement for arcade controls
For the module to function properly
Electret Microphone 20Hz-20kHz Omnidirectional - 3pcs Pack audio shield digital output Gas Analog CH4Electret Microphone Capsule Omnidirectional, 20Hz20KHz (3PCS) The Electret Microphone 20Hz20KHz Omnidirectional (3PCS) are small, inexpensive mic capsules that pick up sound from all directions. They're the same type of microphone found in phones and headsets great for voice input, sound detection, clap switches, and ambient noise monitoring with an Arduino or ESP32. Note: These are raw capsules. You'll need a bias resistor and coupling capacitor, or
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