MitchElectronics
Sound Sense
£3.99
20 items in stock
The Sound Sense is an electronics kit that detects sound and produces a resulting digital and analogue output. This kit is excellent for makers needing to add a sound-sensing module to their design, and ideal for beginners looking to get some soldering practice.
- Product Code
- SOUND-SENSE
- Manufacturer
- MitchElectronics
- Manufacturer Part Number
- SOUND-SENSE
- Category
- Sensor Kits
- Country of Origin
- United Kingdom
RoHS: YesREACH: YesCE: YesUKCA: Yes
Overview
Product Description
The Sound Sense is a small sound-sensing module in kit form which converts sound waves into an electric signal. Powered by voltages between 3V to 5.5V, the Sound Sense provides two outputs; one digital and one analogue.
The digital output is connected to a comparator that outputs a logic signal when the sound level crosses a threshold defined by the potentiometer. This makes the digital output ideal for applications that only need to detect the presence of sound. The analogue output is raw audio output from the microphone, but because this kit uses a single supply voltage, only half of the waveform is preserved.
The digital output is connected to a comparator that outputs a logic signal when the sound level crosses a threshold defined by the potentiometer. This makes the digital output ideal for applications that only need to detect the presence of sound. The analogue output is raw audio output from the microphone, but because this kit uses a single supply voltage, only half of the waveform is preserved.
Resources
Instructions & Documentation
Technical
Product Specifications
- Assembly
- Kit form
- Prebuilt
No
- PCB Dimensions
- 40mm x 20mm
- Mounting Holes
Yes
- Component Count
- 12
- Battery Included
No
- Operating Voltage
- 3V to 5.5V
- Operating Frequency
- N/A
- Output Voltage Digital
- VCC – 1.7V
In the box
Included With This Product
| Name | Quantity | Reference |
|---|---|---|
| LM358 | 1 | U1 |
| 8 DIP Socket | 1 | U1 |
| Electret Microphone | 1 | MK1 |
| 1KΩ Resistor | 1 | R2 |
| 10KΩ Resistor | 2 | R1, R4 |
| 47KΩ Resistor | 1 | R3 |
| 100nF Capacitor | 1 | C1 |
| 10µF Capacitor | 1 | C2 |
| 10KΩ Potentiometer | 1 | RV1 |
| 1N4148 | 1 | D1 |
| 4-Way Socket | 1 | J1 |
More information
Applications
- The Sound Sense is ideal for those creating circuits that need to detect sound, with one common example being clapper switches. The onboard potentiometer can be used to change the sensitivity of the microphone (i.e., a loud clap), and a second circuit can be used to identify claps from other loud sounds. This also means that the Sound Sense can be used as a sound monitor in security circuits that listen out for unexpected noises (i.e., people breaking into a home via smashing windows). At the same time, the Sound Sense can also detect wind, and this can enable the sensor to be used as a basic air flow detector. Finally, the analogue output of the Sound Sense can be amplified to be played on a speaker, but the single-rail supply of this kit means that only half the waveform is preserved.
- Education and training – Useful for teaching electret microphones, AC coupling and non-inverting amplifiers, while providing practical experience with through-hole soldering, component identification and PCB assembly.
- Project integration – Suitable for projects such as Burglar Alarm, VU Meter, Remote Audio Monitor, and other designs where the following function is useful: Electret-microphone sensor with amplified analogue output and adjustable digital threshold output
More information
Notes
- Electrical specifications are nominal and may vary with component tolerances, supply voltage, load and operating conditions.
- The product is supplied in kit form and requires soldering and assembly before use.
- Check component values and observe the polarity or orientation of ICs, diodes, LEDs, transistors and electrolytic capacitors before applying power.
- Sensor thresholds and analogue readings can vary between components and environments; calibrate the module for the intended application.