Required Components
Microcontroller
Seeed Studio XIAO nRF52840 Sense
Power
Rechargeable LiPo battery
Switch
Slider switch for power control
Case
3D printed enclosure
Parts List
Seeed Studio XIAO nRF52840 Sense Board
The brain of your Omi device - a compact Bluetooth LE board with built-in microphone.| Region | Store | Price |
|---|---|---|
| Global | Seeed Studio | $15 |
| US | Amazon US | $24 |
| EU | Amazon EU | Varies |
| India | Robu.in | Varies |
Rechargeable Battery
A small LiPo battery to power your device.| Region | Store | Price |
|---|---|---|
| US | Amazon US | $7 |
Slider Switch
Power switch to turn your device on/off. Model: SS12D00-G3, 3mmYou only need one switch per device. The packs include many extras.
Wires
Thin wires for connecting components.| Region | Store | Price |
|---|---|---|
| US | Amazon US | Varies |
3D Printed Case
The enclosure for your Omi device.Download STL Files
Get the 3D print files from GitHub
Don't have a 3D printer?
Don't have a 3D printer?
Options for getting your case printed:
- Local makerspaces - Check Makerspace.com for locations near you
- Online services - Use services like Shapeways, Craftcloud, or PCBWay
- Local libraries - Many public libraries now have 3D printers available
- University labs - Students may have access to campus maker labs
Printing tips
Printing tips
- Material: PLA or PETG recommended
- Layer height: 0.2mm for good detail
- Infill: 20% is sufficient
- Supports: May be needed depending on orientation
Important Notes
- Pricing is approximate and may vary by location and shipping fees
- Some components may have long shipping times from certain vendors
- Consider buying extras of small components like switches