Search results for: 'active buzzer'

Piezo buzzers are used for making beeps, tones and alerts. This one is petite but loud! Drive it with 3-30V peak-to-peak square wave. To use, connect one pin to...

Detects sound that is greater than the ambient noise (adjustable sensitivity). Can operate from 3.3V to 5V.

This is a common 555 timer/oscillator from TI. A classic for all of those first year circuits projects where you need to blink an LED, generate tone, and thousands...

This fully-assembled and ready-to-rock robot smart car is the nicest We've seen and is incredibly easy to use with a micro:bit and MakeCode. It comes all ready to go, no soldering or screw-driver required. Simply plug in your :bit into the top slot and add three AAA batteries to get moving.

This is an updated version of the Analog Sound Sensor. Analog Sound Sensor is typically used in detecting the loudness in ambient, the Arduino can collect its output signal by imitating the input interface.

The SparkFun Sound Detector is a small and very easy-to-use audio sensing board with three different outputs. The Sound Detector not only provides an audio output...

Learn the basics of programming, coding, and electronics including current, voltage, and digital logic. No prior knowledge or experience is necessary as the kit guides you through step by step.

Meet Otto Unique STEM+A solution for your classroom. The Otto Creator Kit contains all the electronic components you need to build an Otto robot. Ideal...

The button Bit is a classic: big, round and springy for comfortable pressing!

An education-friendly mini HAT with handy USB to serial module designed to make it simple to get started with physical computing on Raspberry Pi. Features...

This is a small buzzer for the LilyPad system. Use 2 I/O pins on the LilyPad main board and create different noises based on the different frequency of I/O toggling. Loud enough to hear inside a pocket but not obtrusively loud.

This fully assembled and ready-to-rock robot smart car is the nicest we've seen and is incredibly easy to use with a micro:bit and MakeCode. It comes...

The Littlebits Steam Student Kit is here to provide the most engaging classroom experience possible. It contains modules of every kind which are sure to capture the imaginations of minds everywhere.

From the creative engineers at KittenBot, this plug-in add on for the micro:bit expands your 'bit to add a bunch more hardware to play with. It's a great expansion...

Teach middle school students the basics of programming, coding, and electronics. No prior knowledge or experience is necessary as the kits guide you through step-by-step, you are well-supported with teacher guides, and lessons can be paced according to your students’ abilities.

Its a floor wax! Its a dessert topping! It's an all-in-one benchtop multimeter that's also a bluetooth speaker, alarm clock and thermometer. It...

Make some noise with your next project! The MP3 Trigger board is built to make MP3 sound integration easier than ever. The board has 18 external trigger pins that will directly trigger pre-selected MP3 tracks, and a full-duplex serial control port that provides full transport control, remote triggering for up to 256 tracks, and fast real-time volume control. MP3s are stored on FAT16 formatted SDSC or FAT32 formatted SDHC micro-SD flash memory cards. In addition, optimized code can achieve 192Kbps stereo playback from a wider range of cards.