# pinch Breakout REV A1

Breadboard adapter for the Moddo pinch: 2×8 1.27 mm male header in the middle, 2.54 mm through-holes around it. Board: 18 × 15 mm rectangle, 2 layers.

## Parts (all THT — every pad must have a drill, no SMD)

- **H1** — male header 2×8, 1.27 mm pitch (drill Ø0.65, pad Ø1.0)
- **J2, J3** — male header 1×6, 2.54 mm (drill Ø1.0, pad Ø1.7)
- **J4** — male header 1×5, 2.54 mm (drill Ø1.0, pad Ø1.7)

## H1 netlist

| Pin | Net | Pin | Net |
|---|---|---|---|
| 1 | 3V3 | 2 | D0_SCL |
| 3 | VBUS | 4 | D1_SDA |
| 5 | D7_MOSI | 6 | D2 |
| 7 | D8_MISO | 8 | D3 |
| 9 | D9_SCK | 10 | D4 |
| 11 | D10_SS | 12 | RST |
| 13 | GND | 14 | D5_TX1 |
| 15 | D11_DAC0 | 16 | D6_RX1 |

GND goes to two breakout holes.

## Placement (2.54 mm grid, origin = bottom-left hole)

- Left column, X=0, bottom→top: D5, D6, D11, GND, D10, D9
- Right column, X=15.24, bottom→top: D1, D0, 3V3, VBUS, D7, D8
- Bottom row, Y=0, left→right: RST, D4, GND, D3, D2
- H1 centered at (7.62, ~4.75), rows horizontal, pin 1 top-right (top row right→left: 1,3,5…15)

Route with 0.3 mm traces, GND pour on bottom. Silkscreen: net name at each hole, "pinch Breakout / REV A1" on top.