ADA6121 · AdafruitActive
Adafruit product #6121 — built on TMC2209.
| Part number | ADA6121 |
|---|---|
| Manufacturer | Adafruit |
| Category | Motor Drivers & Controllers › Stepper Motor Drivers |
| Pins | 16 |
Adafruit TMC2209 Stepper Motor Driver Breakout Board pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VMOTOR | bidirectional | |
| 2 | GND | ground | |
| 3 | OUT2B | bidirectional | |
| 4 | OUT2A | bidirectional | |
| 5 | OUT1A | bidirectional | |
| 6 | OUT1B | bidirectional | |
| 7 | VDD | power | |
| 8 | GND | ground | |
| 9 | DIR | bidirectional | |
| 10 | STEP | bidirectional | |
| 11 | MS1 | bidirectional | |
| 12 | MS2 | bidirectional | |
| 13 | DIAG | bidirectional | |
| 14 | INDEX | bidirectional | |
| 15 | UART | bidirectional | |
| 16 | ENABLE | bidirectional |
Schematic symbol and footprint
Schematic symbol
Footprint: Adafruit TMC2209 Stepper Motor Driver (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
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