LilyPad Buzzer Module

$4.52 Inc. GST

This sewable inductive buzzer generates audible tones of varying pitches by responding directly to the toggling frequency of host microcontroller input/output pins. The hardware uses an internal wire coil and magnet to produce sound, acting as a short circuit to ground when undriven; this requires host pins to be held at 0V during idle states to prevent power drainage. Designed for direct fabric integration via conductive thread, the low-profile component is non-washable and cannot withstand water submersion. Typical applications include providing sound synthesis, musical melodies, and alarms within e-textiles, wearable technology, and interactive apparel.

 

In stock

LCN: H-13-T SKU: ELEC-LILY-BUZ Categories: , , Tags: , , , ,

Description

Technical Overview

The LilyPad Buzzer Module delivers a compact, inductive audio solution engineered specifically for sewable electronic ecosystems. In practice, the module generates distinct audio frequencies by responding directly to the toggling rate of the host microcontroller input/output pins. Inside the physical housing, an internal wire coil and a small magnet generate localized acoustic sound waves whenever electrical current passes through the circuit pathway. Consequently, this mechanical movement produces clear audible frequencies based entirely on your software timing parameters.

Furthermore, this inductive hardware configuration behaves as a direct short circuit to ground whenever the system leaves the signal floating or undriven. Therefore, programmers must actively drive both input/output pins to 0V during idle periods to prevent unintended power drainage. Meanwhile, the manufacturer calibrates the total acoustic output power so it penetrates comfortably through heavy fabric layers or deep pocket enclosures. As a result, users receive clear audio notifications without experiencing obtrusively loud volume levels during normal operation.

Applications

Engineers and e-textile creators primarily utilize this miniature audio module to add sound effects to wearable technology and interactive garments. For example, developers regularly program the unit to output distinct musical melodies, custom sound effect profiles, and safety alarms. Additionally, the large sewable connection pads hook up directly to LilyPad Arduino development boards by using standard conductive thread pathways.

However, the internal inductive coil cannot withstand exposure to moisture, water submersion, or automated washing machine cycles. Consequently, you must restrict the component’s use to entirely non-washable textile projects or modular, detachable electronic sub-assemblies. Ultimately, this lightweight module provides an accessible way to integrate sound feedback into specialized gear, cosplay outfits, and intelligent clothing systems.

Technical Specifications

Specification Value
Model LilyPad Buzzer Module
Connection Pads 2 Input / Output Pads
Operating Voltage 3V – 5V
Environmental Limits NOT WASHABLE
Pack Quantity 1 Piece
Outer Diameter 20mm
Height 5mm

 

Maker Store Tips and Tricks

  • Set both controlling microcontroller I/O pins to 0V (Low) in your software loops whenever the buzzer is idle to avoid short circuits.

  • Never expose the module to water, washing machines, or heavy moisture, as moisture permanently damages the internal acoustic coil.

  • When sewing with conductive thread, ensure the stitches are tight and completely isolated from other traces to prevent erratic audio frequency generation.

Additional information

Weight 0.002 kg
Dimensions 2 × 2 × 1 cm