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| author | info@mode42.com <info@mode42.com> | 2026-08-07 18:09:58 +0000 |
|---|---|---|
| committer | info@mode42.com <info@mode42.com> | 2026-08-07 18:09:58 +0000 |
| commit | a7362dc14bca1233eb34b41aefebe9cfb22684ac (patch) | |
| tree | f727c87f92aeb503038deeecc24d3e074dc0197c /hardware/kicad/README.md | |
Initial pushmain
Diffstat (limited to 'hardware/kicad/README.md')
| -rw-r--r-- | hardware/kicad/README.md | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/hardware/kicad/README.md b/hardware/kicad/README.md new file mode 100644 index 0000000..34ac7b2 --- /dev/null +++ b/hardware/kicad/README.md @@ -0,0 +1,39 @@ +# KiCad — T-Modem-s1224 + +Tracked project: **`t-modem-s1224/`** — started from **c1224** copper; softmodem line. + +## State (2026-08-03) + +| Metric | Value | +|--------|------:| +| Segments (tracks) | **0** (stripped for clean re-route) | +| Vias | **0** | +| Footprints on PCB | **31** | +| Schematic chip symbols | **DNP** (`U_MODEM`, `Y1`, `Y2`) | + +**Backups:** + +- `t-modem-s1224/t-modem-s1224.pre-strip-backup.kicad_pcb` (289 segments) +- `t-modem-s1224/t-modem-s1224.2026-08-03-pre-reroute-backup.kicad_pcb` (199 segments) +- MASTER vault: `hardware/open-designs/t-modem-s1224-pcb-backup/` + +DRC: **unconnected** on all signal pads — expected until re-route. + +Detail: [`t-modem-s1224/README.md`](t-modem-s1224/README.md). + +## Keep for re-route + +U1 Pico · power (J_DC / U_REG / D_OR1 / F1 / bulk+bypass) · J_AF · Q1 / R_PTT · J_LCD_I2C / U_LVL / RV2 · J_USB / J_USB_PICO · LEDs+R_LED* · SW1 / TP_BOOTSEL · H1–H4. + +**Not stuffed / not on PCB:** RV1 · C_TX · C_RX · modem socket/chip. + +## Softmodem AF (net names) + +| GPIO | Net | +|------|-----| +| GP6 | **`AF_TX`** | +| GP26 | **`AF_RX`** | +| GP9 | **`PTT_DRV`** | +| GP7 / GP8 | **NC** | + +U1.9 = **GP6** / **`AF_TX`** · U1.31 = **GP26** / **`AF_RX`** · U1.12 = **GP9** / **`PTT_DRV`**. |