M5Stack Voice Pyramid Smart Speaker Base without M5Atom is a dedicated desktop voice interaction base for the M5 Atom / AtomS3 / AtomS3R family. This Voice Pyramid is designed as a smart speaker base without a controller included, giving compatible Atom hosts a larger acoustic structure, richer audio front end, capacitive touch interaction, RGB feedback, and a more desktop-friendly form for voice assistant and smart home projects. The official hardware uses a dedicated STM32G030F6P6 co-processor to manage the dual touch-slider zones and RGB light bars, an ES8311 audio codec, an ES7210 microphone input chip with AEC, an AW87559 Class-D speaker driver, and a Si5351 programmable clock source. Paired with an Atom series host, it is well suited to far-field voice recognition, Home Assistant, Xiaozhi voice assistant, Bluetooth audio, and other embedded voice interaction workflows. Features Compatible with Atom / AtomS3 / AtomS3R controller modules. STM32G030F6P6 co-processor for touch sensing and RGB control. ES8311 audio codec for playback and audio signal processing. ES7210 microphone acquisition chip with AEC for cleaner voice input. AW87559 high-efficiency speaker amplifier driving the built-in speaker. Si5351 low-jitter programmable clock source for the audio path. Dual-side touch-slider zones with four touch detection points. 28 × WS2812 RGB LEDs for rich visual status feedback. HY2.0-4P expansion port and bottom USB Type-C power input. Specifications Specification Parameter Compatible Hosts Atom / AtomS3 / AtomS3R Controller Included No, base only Co-processor STM32G030F6P6 Audio Codec ES8311 Audio ADC ES7210 Microphone LMA3729T381-0Y3S Amplifier AW87559 Clock Generator Si5351 Indicator LEDs 28 × WS2812 RGB LEDs Touch Function Dual-side touch-slider zones, 4 touch points Input Power DC 5V Expansion Port 1 × HY2.0-4P Standby Current 14.92mA Operating Current 578.47mA maximum volume output with controller connected Operating Temperature -10°C to 60°C Product Size 83.6 × 83.6 × 56.7mm Product Weight 100.7g Package Size 93.0 × 86.0 × 56.0mm Gross Weight 145.1g Applications Voice Pyramid is built for smart speakers, desktop voice assistants, voice control hubs, local and cloud voice interaction prototypes, and IoT voice gateways. M5Stack also provides official tutorial paths for Arduino, Home Assistant, Xiaozhi voice assistant, and Bluetooth speaker use cases. Home Assistant voice terminals with an Atom series host Far-field voice assistant and wake-word interaction projects Desktop Bluetooth audio and touch-controlled speaker experiments IoT voice gateway and connected smart control prototypes M5Stack voice UI development with RGB and touch feedback Official Home Assistant tutorial Official Xiaozhi voice assistant tutorial Official Bluetooth speaker tutorial Product List 1 × Voice Pyramid Other Content Installation and control overview The Atom series controller installs into the reserved pin header on top of the Voice Pyramid. The two RGB light bars are divided into RGB CH1 and RGB CH2. The touch system provides TP1 / TP2 / TP3 / TP4 points for swipe or single-point touch interaction. Power should be supplied through the bottom USB Type-C or HY2.0-4P DC 5V input. Practical note: this product is a base without M5Atom. If you want a compact all-in-one voice controller instead of a desktop base, see M5Stack Atom VoiceS3R Smart Speaker Dev Kit. Resources Official product documentation Arduino IDE tutorial Home Assistant tutorial Xiaozhi voice assistant tutorial Bluetooth speaker tutorial Voice Pyramid schematic PDF Model size PDF AW87559 datasheet Si5351 datasheet STM32G030 series datasheet Official product video FAQ Does Voice Pyramid include an Atom controller?No. M5-A167 is the base only and is designed to work with a compatible Atom / AtomS3 / AtomS3R controller. What makes Voice Pyramid different from a compact Atom Echo style product?Voice Pyramid is a larger desktop smart speaker base with a bigger acoustic structure, touch sliders, RGB light bars, and a dedicated co-processor, while the compact Atom voice products are all-in-one controller devices. Which voice scenarios does M5Stack officially support?M5Stack provides official tutorials for Arduino control, Home Assistant voice assistant, Xiaozhi voice assistant, and Bluetooth speaker workflows based on the Voice Pyramid.
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