A 0.56-inch, single-digit, 7-segment, common-cathode display is a compact LED device that shows a single number (0-9) by illuminating seven individual LED segments arranged in a figure-eight pattern. The "common...

A seven-segment display is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays. Seven-segment displays are widely used...

1024×600 Resolution, 7-inch Capacitive Touch Screen LCD Display, HDMI interface, supports various systems. Toughened glass capacitive touch panel, 6H hardness. It supports Raspberry Pi ,Jetson Nano and can also be used...

This Full Graphic Smart Controller contains a SD-Card reader, a rotary encoder and a 128 x 64 dot matrix LCD display. The RepRapDiscount_Smart_Controller is a similar design with a 20x4...

A 12\*8.5mm, 5V passive buzzer is a compact audio indicator that produces sound when driven by an external AC signal, rather than an internal oscillator like an active buzzer. Its...

Presenting the 4R 3W 40mm Mini Power Amplifier Small Speaker: a tiny yet mighty device meant to enhance your listening pleasure. This little speaker has a sleek, portable design and...

Plastic housing, DC3-24V working voltage,12V rated voltage(square wave), black and red 2 wire, convenient for wiring.A great item for industrial use. Features: Type: Active Buzzer Operating voltage: 3 to 24V...

Battery type battery level display, select the corresponding solder on the solder pad to detect the voltage of the battery pack corresponding to 1S-8S FeaturesDisplay battery quantity parameter: (Note: N...

This is a Mini FM Wireless Microphone Transmitter Module, its frequency can be changed using a potentiometer. It is very compact and operates on a battery. Features Operating Voltage: DC...

The Piezoelectric Passive Buzzer, measuring 44mm in diameter and 14mm in height, is a compact and efficient audio signaling device. It operates on the principle of piezoelectricity, generating sound through...

With this module you can easily measure sound with an analog pin on your Arduino or other microcontroller. The module has an automatic gain/amplification (ACG) of the microphone: The module...

This module consists of a conductive spring, a 10k resistor, and 3 male header pins. Knocking or shaking the module will cause the spring to momentarily close the circuit. Features:1....

M393 Sound Detection Sensor Module for Arduino detects whether the sound has exceeded a threshold value. The sound is detected via a microphone and fed into an LM393 op-amp. The...

With this pack, the student demonstrates the propagation of ultrasound in the air. It will also be able to show the directivity of the ultrasound and in particular the emission...

For measuring the resonant length of an air column driven by a tuning fork. Comprises a brass tube 292 x 25.4 mm diameter fixed to a base with a sliding inner...