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What is a Reed Switch? The Reed Switch is a type of magnetic switch that changes its state in the presence of a magnetic field. It contains two small ferromagnetic reeds sealed inside a glass tube. When a magnet comes close, the reeds attract each other and cl...

What is a DFPlayer Pro? The DFPlayer Pro is an upgrade of the DFPlayer Mini MP3 Player for Arduino. It is a small and low-priced MP3 module with an internal storage of 128MB. The module can be used as a stand-alone module with an attached battery, speaker and ...

What is Bone Conduction? Bone conduction is a way of transmitting sound to the inner ear through the bones of the skull instead of through the air and eardrum. In normal hearing, sound waves travel through the air, vibrate the eardrum, and are then passed to t...

What is an EMG Muscle Sensor? An EMG (Electromyography) muscle sensor is a device that measures the electrical activity produced by muscles when they contract. It detects the small voltage changes that occur when muscle fibres are activated by motor neurons, a...

What is an IR Breakbeam Sensor? An IR breakbeam sensor is a pair of devices—an infrared (IR) emitter and an IR receiver—that form an invisible beam. When something passes through and blocks the beam, the sensor detects the interruption and triggers an output s...

What is the TFT LCD Display? A TFT LCD display is a type of screen that uses Thin-Film Transistor (TFT) technology to control the pixels of a Liquid Crystal Display (LCD). It is one of the most common display types found in devices like smartphones, tablets, m...

What is the OLED display? An OLED display (Organic Light-Emitting Diode display) is a screen technology where each pixel emits its own light using organic carbon-based materials. Unlike LCDs, OLEDs do not need a backlight, which allows them to produce deeper b...

What is the IMU sensor? IMU stands for: inertial measurement unit. It is an electronic device that measures and reports a body's specific force, angular rate and the orientation of the body, using a combination of accelerometers, gyroscopes, and oftentimes mag...

What is the HS3003 Temperature & Humidity sensor? The HS3003 is a digital humidity and temperature sensor commonly used in IoT, consumer electronics, HVAC systems, and environmental monitoring. Know more. Library To use this code you will need the Arduino_HS3...

What is Arduino Nano 33 Sense Rev2? The Arduino Nano 33 BLE Sense Rev2 (often called Nano 33 Sense Rev2) is a compact, low-power IoT and sensor-rich development board designed for machine learning, audio processing, motion detection, and environmental sensing....

What is APDS9960 Proximity sensor? The APDS-9960 is a compact, multifunction digital sensor used for gesture recognition, proximity sensing, ambient light measurement, and RGB color detection. It is widely used in mobile devices, wearables, robotics, and Ardui...