Learn how to use the KY-029 Dual Color LED Module with Arduino. This module contains a single component that can display two distinct colors (typically Red and Green) and, when both are mixed via Pulse Width Modulation (PWM), a third color (Yellow/Amber) can be achieved.
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Learn how to use the KY-028 Digital Temperature Sensor Module with Arduino. This module combines an NTC thermistor with a comparator circuit, providing both a raw analog voltage (A0) related to temperature and a digital ON/OFF signal (D0) when a preset temperature threshold is crossed
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Learn how to use the KY-027 Magic Light Cup Module with Arduino. This unusual module combines a mercury-free tilt switch with a high-brightness LED.
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Learn how to use the KY-026 Flame Sensor Module with Arduino. This module is an essential safety component that detects infrared (IR) light emitted by a flame.
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Learn how to use the KY-025 Reed Switch Module with Arduino. This module is a dual-output sensor providing both a digital ON/OFF signal and a raw analog value based on the proximity of a magnet.
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Learn how to use the KY-024 Linear Magnetic Hall Module with Arduino. This module provides both a raw analog voltage (A0) and a digital ON/OFF signal (D0).
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Learn how to use the KY-023 Dual Axis Joystick Module with Arduino. This module is a compact user input device providing two main forms of control: two analog outputs for the X and Y axes (position) and one digital output for the Z-axis (push button).
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Learn how to use the KY-022 Infrared Receiver Module with Arduino. This module detects the pulsed 38kHz infrared light signals emitted by standard remote controls.
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Learn how to use the KY-021 Mini Magnetic Reed Switch Module with Arduino. This module contains a magnetically actuated digital switch that closes its internal contacts when a nearby magnetic field is detected.
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Learn how to use the KY-020 Tilt Switch Module, a module containing a mercury-free conductive ball switch.
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