Satellite1 HAT Board
Satellite1 HAT Board
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The Satellite1 HAT Board is designed to seamlessly integrate with our Core Board, empowering you to create a world-class voice assistant. It features 4 high-performance microphones powered by an XMOS audio processing chip, enabling clear audio capture even in noisy environments. Additionally, the HAT boasts 4 programmable buttons, a headphone jack, and a robust 25W speaker amplifier. It even acts as a multi-sensor by measuring room temperature, humidity, luminosity, and presence when paired with a mmWave radar sensor.
Specifications
- Powerful Audio Processor: XMOS XU316 with 16-Core 32-Bit RISC running at 800 MHz. 3200MIPs
- Memory: 1024 KB SRAM, 8 MB Flash
- LEDs: 24x WS2812 programmable RGB LEDs
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Microphones: 4x PDM MEMS microphones
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Buttons: 4x Tactile buttons with one hardware controlled mute, for security
- Line level audio output: PCM5122
- 25W Mono speaker output: TAS2780
- USB Power delivery, up to 100W: FUSB302
- Ambient Light sensor: LTR-303ALS
- Temperature and Humidity sensor: AHT20
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Millimeter Wave Radar Presence Detection: Attach your own LD2410 or LD2450
- Expandability: 40-pin GPIO connector, 2 USB Type-C ports, 80-pins quick connector for FutureProofHome accessories (more info coming soon).
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Hardware owned by you. No vendor lock-in, or planned obsolescence.
- Power Requirements: The complete assembly requires up to 30W of power at maximum consumption, when using a 20-25W speaker. We recommend at least a 30W power supply, that can deliver 20V @ 1.5A or greater.
Bonus Functionality:
The Satellite1 HAT Board has the added benefit of being Raspberry Pi compliant via its 40-pin RPi-connector. You can event connect the Satellite1 HAT board directly to a Mac/PC to functions as a voice conferencing device and sound card. This versatility makes it a powerful choice for a wide range of voice assistant and audio applications!
Not Included in Packaging:
You must supply your own USB-C cable and power adapter, as well as your own mmWave radar sensor. See below the recommended accessories.
Regarding Timelines & Inventory:
- Batch #1 has been shipped to all customers as of Jan. 31st, 2025.
- Batch #2 will be ordered from the manufacturer in March. 2025, and we estimate orders will be shipped in April 2025. You should have received an email if your order falls in Batch #2.
- Batch #3 should begin shipping in June 2025!
Dimensions
Dimensions
When removed from packaging:
Width: 88 mm
Length: 88 mm
Height: 10 mm
Weight
Weight
When removed from packaging:
31 g
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Build the Satellite1 Together
Great product, I'm satisfied
Once I set it to Aggressive for finished speaking detection, this has worked very well even with a TV on in the same room. I'm looking forward to permanent mounting on my ceiling and getting more if it works well.
Surrounding Noise is Not canceled. I have to mute the Radio / before talking to the Satellit
The cable fitment in the in the USB port is a teensy bit less than positive but seems to do the trick. When I moved it from one location to another it came loose and I thought something was wrong with the satellite 1 as it did not power on. Realized it had unplugged itself a wee bit. Just be cognizant this is possible when handling the adapter and make sure its snugged up tight.
Update: 1/18/26
Ok so totally my fault. I should have done a little troubleshooting before jumping to the review. Turns out the through holes in the enclosure were a bit too small. I drilled them out just a tick larger and now I get perfect responsiveness. Anyone else who is having wake word sensitivity issues - pull the board out of the enclosure and test it. You too might need to do a tiny modification. This device is now everything I anticipated it would be. Comfortable saying these will replace my remaining Google nest speakers :)
Nice kit. Audio is pretty good with the speaker I used for the mid size build. Side by side with the home assistant voice PE I hate to say it but the satellite one is nowhere near as sensitive to wake words. The voice PE will pick me up from well across the room but I have to speak very loudly or get quite close to the satellite one before it it recognizes me. This only gets worse if there's any audio playing. Even at low volumes I have to speak very loudly. Hopefully this is a software thing and can be fixed. I did a little googling but have not dived in depth for troubleshooting. I can't imagine that it is the enclosure because there are direct holes for the microphones. My first thing might be to disassemble it and see how well it works out of the enclosure. Would love to hear suggestions on how to remedy this. If the sensitivity was better it would be a five-star for sure.
Hey Jonathan,
Sounds like something is wrong, this experience isn't normal. Can I recommend joining us in the discord and sharing a video of your setup and the behavior. That said, our upcoming firmware has a wake word sensitivity setting built-in.
Your 3D printed enclosure looks great. Congrats!