# ESP32 Audio development board + speaker

ESP32-S3-MINI-1-N4-R2, TDK ICS 43434 mic, MAX98357A speaker driver, plus speaker

- **Seller:** [RevK® at Andrews & Arnold Ltd](https://lectronz.com/stores/revk), BRACKNELL, Berks, UK
- **Price:** £25.00 (GBP, before shipping and taxes)
- **Availability:** In stock
- **Categories:** ESP32, Home automation, Audio
- **HS code:** 847330
- **Product page:** https://lectronz.com/products/esp32-audio-development-board-speaker

## Options

**Speaker**

- None
- Speaker [Add £5.00] (2 left)

## Links

- [Documentation](https://openmic.revk.uk/)
- [Code](https://openmic.revk.uk/)
- [Design Files](https://openmic.revk.uk/)
- [Schematics](https://openmic.revk.uk/)
- [Bom](https://openmic.revk.uk/)

## Images

![ESP32 Audio development board + speaker](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NTYwMjgsInB1ciI6ImJsb2JfaWQifX0=--db3ade5077bd4745e0eca57953c5f37971b20234/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2025-03-05T09-03-55.258Z-326037.jpg)
![ESP32 Audio development board + speaker](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NTYwMjksInB1ciI6ImJsb2JfaWQifX0=--f2ee62b67a4a4332b4c4ce2740c27b7c466e4c1b/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2025-03-05T09-03-55.258Z-326032.jpg)
![ESP32 Audio development board + speaker](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NTYwMzAsInB1ciI6ImJsb2JfaWQifX0=--dd8fde43ad72737f86dc9ea66c0017c1d9534c8f/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGVnIiwicmVzaXplX3RvX2xpbWl0IjpbOTYwLDY0MF0sInNhdmVyIjp7InN0cmlwIjp0cnVlfX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--4e27bac8cdfb621fb828f6a3a5982fe1a423b516/2025-03-05T09-03-55.258Z-326035.jpg..jpeg)
![ESP32 Audio development board + speaker](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NTYwMzEsInB1ciI6ImJsb2JfaWQifX0=--f118ac89cf463cbb854e4315b4b7493148b8597f/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGVnIiwicmVzaXplX3RvX2xpbWl0IjpbOTYwLDY0MF0sInNhdmVyIjp7InN0cmlwIjp0cnVlfX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--4e27bac8cdfb621fb828f6a3a5982fe1a423b516/2025-03-05T09-03-55.258Z-326031.jpg..jpeg)

## Description

#### What is it?

Audio development board.

- ESP32-S3-MINI-1-N4-R2 (Dual core, 4M Flash, 2M SPIRAM)
- TDK ICS 43434 high quality microphone (I2S) - right channel
- MAX98357A speaker driver (I2S) - mix channels
- Push button
- 20 WS2812 LEDs
- Plus optional speaker

#### Why did you make it?

Experimenting with audio I2S.

- Can make an intercom / phone out of it
- Can make an ESPhome remote speaker
- Can make a remote audio command module

#### What makes it special?

Small board, designed to fit on speaker.

## Shipping policy

All parcels shipped with tracked shipping, usually shipped within one working day. If you find a large order has no shipping to EU, try placing smaller orders under €150. And we're sorry for US customers as it seems tariffs are now 50%.