Verified values only, cited to the public repo or confirmed decisions; "TBD" cells pending.
Full manual (PDF) — coming soon
| Specification | PropX-Tinker |
|---|---|
| Form factor | Bare circuit board (no enclosure); corner holes for standoffs |
| Brain | ESP32-S3-WROOM-1 (N16R8): 16 MB flash, 8 MB PSRAM, dual-core, PCB antenna |
| Logic level | 3.3 V — GPIO pins are NOT 5 V tolerant |
| Board power | USB-C, 5 V (also programming + serial console) |
| Load power | Separate 9–24 V DC domain for outputs and isolated inputs (board marking correction + entry point — #95) |
| Outputs | 4 × opto-isolated low-side MOSFET switches (active-LOW; 12 V common + OUT pins; safe-off during reset) |
| Output rating | 1.5 A per output (published; hardware figure pending — #98) |
| Inputs | 2 × bidirectional optocoupler inputs, isolated, either polarity |
| Audio | PCM5102A DAC, 3.5 mm line-level output — needs powered speakers ("5w" marking — #96) |
| Audio format | MP3 from MicroSD (FAT32); console box player, volume 1–20 |
| Storage | MicroSD (FAT32) — no onboard user-file storage |
| Display | Optional SSD1306 128×64 OLED on the display header (I²C 0x3C) |
| RGB light | Addressable RGB (WS2812-class) (fitted count vs board labels — #97) |
| Buttons | Reset, Boot, plus 4 user buttons (roles — #99) |
| Breakouts | A serial (TX/RX), B I²C, C SPI — all with GND + 3.3 V |
| Jumpers | J1–J4: pull-up/pull-down/floating for GPIO1, 2, 9, 42 |
| Power tap | 5 V + 3.3 V + GND for add-ons (limits — #98) |
| Control | Serial console over USB-C, 115200 baud |
| Wireless | WiFi + BLE radio present; NOT used by the stock firmware |
| Firmware | Open source — github.com/propexperience/tinker (license — #89); USB flash updates |
| Dimensions / weight | TBD |
| Operating temperature | TBD |
| Water/dust rating | None — bare board, dry indoor use only |
| Certifications | None |
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