Grove - Speaker Plus
Grove - Speaker Plus
Grove - Speaker Plus
The Grove - Speaker Plus is a compact, high-fidelity audio output module designed for IoT and embedded systems projects, delivering clear sound output with minimal power consumption. Electronics engineers, hobbyists, and educational institutions use this module to add audio feedback capabilities to Arduino, Raspberry Pi, and Seeeduino-based applications. This module solves the challenge of integrating reliable sound output into space-constrained projects while maintaining signal integrity and ease of integration through standardized Grove connectors.
Product Overview
The Grove - Speaker Plus operates on a simple yet effective principle: it amplifies low-level audio signals from microcontroller GPIO pins or analog outputs to produce audible sound through a built-in 1W speaker. The module features an onboard amplifier circuit that eliminates the need for external amplification components, making it ideal for rapid prototyping. The Grove connector interface ensures plug-and-play compatibility with Grove-enabled development boards, significantly reducing integration time and soldering requirements. The module is optimized for frequency ranges between 100Hz to 10kHz, making it suitable for alert tones, voice notifications, music playback, and notification sounds in embedded applications.
What sets the Grove - Speaker Plus apart is its balanced approach between audio quality and power efficiency. The integrated amplifier circuit operates at 5V logic levels, consuming minimal current during operation while delivering sufficient sound pressure level for audible feedback in indoor environments. The speaker enclosure is designed to minimize resonance distortion, ensuring clear reproduction of tones and simple melodies. This module is particularly valuable in educational settings where students need to understand audio signal processing without dealing with complex external circuitry, and in commercial IoT applications where cost-effective audio feedback is essential for user interaction.
Key Specifications
| Specification | Details |
| Product Type | Audio Output Module with Integrated Speaker |
| Brand | Seeed Studio |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Operating Voltage | 5V DC |
| Speaker Power Output | 1W |
| Frequency Range | 100Hz to 10kHz |
| Connector Type | Grove Universal 4-pin connector |
| Dimensions | 38mm x 20mm x 20mm |
| Weight | Approximately 8 grams |
Key Features
- Grove Connector Interface: Standardized 4-pin Grove connection eliminates soldering requirements and ensures reliable connections with Grove-compatible microcontroller boards
- Integrated 1W Amplifier: Built-in amplification circuit amplifies microcontroller GPIO signals to audible levels without requiring external amplifier modules
- Wide Frequency Response: 100Hz to 10kHz frequency range supports alert tones, voice notifications, musical notes, and complex audio patterns
- Low Power Consumption: Operates efficiently at 5V with minimal current draw, making it ideal for battery-powered IoT and wearable applications
- Compact Form Factor: Lightweight and small footprint allows integration into space-constrained projects and portable devices
- Direct GPIO Control: Compatible with PWM signals and digital outputs from Arduino, Raspberry Pi, and other microcontroller platforms
Applications and Use Cases
- IoT Alert Systems: Integrate into smart home devices, environmental monitoring systems, and industrial IoT applications to provide audible alerts for threshold breaches or system events
- Educational Robotics: Add sound feedback to Arduino and Raspberry Pi-based robot projects, enabling robots to produce warning beeps, success tones, and interactive audio responses
- Wearable Devices: Implement in fitness trackers, health monitoring devices, and smart accessories to provide non-visual feedback through notification sounds and alerts
- Musical Projects and Sound Art: Create generative music installations, interactive sound sculptures, and educational music synthesis projects using PWM signal control
- Security and Access Control: Deploy in door lock systems, alarm systems, and access control devices to provide audible confirmation of system status and security events
- Game Development: Integrate into Arduino game controllers and interactive learning games to add sound effects, background music, and audio feedback for user actions
How to Use
To integrate the Grove - Speaker Plus into your project, begin by connecting the module to a Grove-enabled digital pin on your microcontroller board using the provided Grove cable. For simple alert tones, connect to a standard digital GPIO pin and use digitalWrite() commands in Arduino to generate on-off pulses. For more sophisticated audio output including musical notes and varying tones, utilize PWM (Pulse Width Modulation) capable pins and adjust the frequency and duty cycle to control the pitch and volume of the sound output. Most Grove-compatible boards clearly label PWM-capable pins, typically marked with a tilde symbol (~).
When programming the module, use the tone() function in Arduino IDE to generate specific frequencies by specifying the pin, frequency in Hz, and duration in milliseconds. For example, tone(pin, 1000, 500) produces a 1kHz tone for 500 milliseconds, suitable for notification sounds. For complex audio patterns, consider using libraries like the Tone library or creating custom frequency arrays for musical sequences. Always include a noTone() command after tone generation to stop the speaker and prevent continuous noise. Test your audio output at lower frequencies first (200Hz to 2000Hz) where the speaker performs optimally, and avoid driving the module with sustained high-amplitude signals to prevent speaker fatigue and ensure longevity.
Frequently Asked Questions
Can the Grove - Speaker Plus produce musical notes and melodies?
Yes, the Grove - Speaker Plus can produce musical notes and simple melodies by utilizing PWM signals with specific frequencies corresponding to musical notes. The frequency range of 100Hz to 10kHz covers approximately 7 octaves of the musical scale. Using Arduino's tone() function, you can specify exact frequencies for each note and create sequences. For example, a middle C note is approximately 262Hz, and by programming a sequence of frequencies with appropriate durations, you can play recognizable melodies. Many online resources provide frequency tables for musical notes that can be directly implemented in your code.
What is the maximum sound pressure level (SPL) produced by this speaker?
The Grove - Speaker Plus, with its 1W output power, typically produces sound pressure levels around 80-85dB at close range (10cm), which is audible and suitable for most indoor applications and notification purposes. However, the exact SPL depends on the frequency of the sound and the impedance characteristics of the speaker. For applications requiring higher sound levels, consider using multiple speakers in parallel or exploring external amplified speaker solutions. The module is designed for notification and feedback purposes rather than high-volume audio playback.
Is the Grove - Speaker Plus compatible with Raspberry Pi and other non-Arduino platforms?
Yes, the Grove - Speaker Plus is compatible with any microcontroller or single-board computer that supports GPIO output and PWM signals, including Raspberry Pi, BeagleBone, Intel Edison, and other platforms. For Raspberry Pi, you would use GPIO library in Python to control the speaker pin, and utilize PWM functionality to generate tones. The Grove connector is universal and works with any Grove-compatible shield or hat. Ensure your platform operates at 5V logic levels or use appropriate level shifters if your platform uses 3.3V logic to avoid damaging the module.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
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- Returns: 7-day return policy on manufacturing defects only
Buy Grove - Speaker Plus Online in India
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