Amplified speaker output for the Grove prototyping system.
For simple audio signalling and sound generation, this Grove module offers the solution. It uses a built-in amplifier for clear sound out of a microcontroller.
2" round, 8 ohm, 0.25 watt general purpose replacement speaker. Paper cone, Alnico magnet. Unit comes with 6" wire lead attached.
Ultrasonic distance sensor, featuring the plug-in-and-use Grove system.
Detect carbon monoxide, alcohol, acetone, paint thinner, formaldehyde and other gasses with this plug-and-use Grove module.
Convenient plug-in-and-use Infrared emitter module for the Grove system.
ESP8266, essentially in a tailored suit. It's so much easier to use with Grove-compatible wiring.
The Voice Shield (VS) is an analog audio shield for the Arduino that allows you to play audio sound byte.
Here's an unamplified Piezo element for breadboarding sound applications (making or detecting sound!)
An small ESP8266 based SoC with full Grove Support, LiPo Support, and a mature API
eSun's 1.75mm 1kg spool of eAlfill aluminum filament is a more exotic type, offering an burnished aluminum finish when buffed.
This smaller, 16.4mm long cone-tipped pogo/probe ping is normally used for electronic JTAG uses, but we use them for bots!
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