M5Stack Atomic Audio-3.5 Base
M5Stack Atomic Audio-3.5 Base is a voice recognition and audio playback base built for the Atom series controllers. This base features an integrated ES8311 mono audio codec, a MEMs microphone, and an NS4150B power amplifier. The power amplifier is equipped with a standard 3.5mm audio jack and a 4-segment TRRS connector, supporting both audio output and microphone input. Due to the onboard MEMs microphone, this base offers a high signal-to-noise ratio and digital output capability, while the integrated speaker provides efficient audio output. M5Stack Atomic Audio-3.5 Base supports full-duplex communication for simultaneous audio transmission and reception, making it ideal for voice assistant applications, voice control terminals, smart home voice gateways, and voice interaction devices.
Features
- Built-in microphone and speaker
- Integrated ES8311 hi-fi audio codec, supporting 24-bit high-resolution audio processing
- Supports full-duplex voice communication with simultaneous audio transmission and reception
- 3.5mm Audio Jack
- Supports audio output + microphone input
- Built-in insertion detection with automatic switching to external microphone line
Kit Contents
- 1x Atomic Audio-3.5 base
- 1x hex Key L-shape 1.5mm (for M2 screw)
- 1x M2 * 8mm cap head machine screw
Applications
- Atom expansion base
- DIY node controller
- Peripheral interface expansion
Specifications
- Power Consumption
- 5V at 1.83mA (standby mode)
- 5V at 12.71mA (recording mode)
- 5V at 21.19mA (50% volume playback)
- 5V at 26.46mA (100% volume playback)
- ME1502AM5G MEMs microphone
- 1W speaker at 8Ω
- 48mm x 24mm x 17.5mm dimensions
Dimensions
