Image | Brand | Description | Category | uC | Power source | DIY? | Price range | #ad |
|---|---|---|---|---|---|---|---|---|
 | LILYGO | Barebone ⋅ BLE integrated | ESP32 | Battery ⋅ USB | Barebone | $ | ||
 | GEEKCREIT | Barebone ⋅ BLE integrated | ESP32 | USB | Barebone | $ | ||
 | MELIFE | Barebone ⋅ BLE integrated | ESP32 | USB | Barebone | $ |