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Description
Side panel includes:
• Microphone — standard ready to use audio frequency
microphone module with built in preamplifier.
• 128×64 OLED display— monochrome graphical screen
controlled via I2C interface. Uses SSD1306 chip as a
driver.
• DHT11 humidity sensor — digital composite sensor
capable of measuring temperature and humidity. Uses
single-wire serial interface for communication.
• NTC thermistor — a simple 10k thermistor that in the
module works as a voltage divider, useful for making
temperature sensors.
• Piezoelectric buzzer — beeper module with integrated
transistor driver. Produces sound when high level signal
is applied.
• DC motor driver module — an h-bridge motor driver
with integrated protections.