
ADA3928 · AdafruitActive


Adafruit product #3928.
| Part number | ADA3928 |
|---|---|
| Manufacturer | Adafruit |
| Category | Motor Drivers & Controllers › Brushed DC Motor Drivers |
| Pins | 77 |
Adafruit CRICKIT for micro:bit pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SERVO1 | bidirectional | |
| 2 | 5.0V | bidirectional | |
| 3 | SERVO2 | bidirectional | |
| 4 | 5.0V | bidirectional | |
| 5 | DRIVEOUT1 | bidirectional | |
| 6 | SERVO3 | bidirectional | |
| 7 | 5.0V | bidirectional | |
| 8 | GND | ground | |
| 9 | DRIVEOUT2 | bidirectional | |
| 10 | SERVO4 | bidirectional | |
| 11 | 5.0V | bidirectional | |
| 12 | GND | ground | |
| 13 | 5.0V | bidirectional | |
| 14 | GND | ground | |
| 15 | DRIVEOUT3 | bidirectional | |
| 16 | GND | ground | |
| 17 | DRIVEOUT4 | bidirectional | |
| 18 | ANALOG1 | bidirectional | |
| 19 | 3.3V | power | |
| 20 | GND | ground | |
| 21 | ANALOG2 | bidirectional | |
| 22 | 3.3V | power | |
| 23 | GND | ground | |
| 24 | MOTOR_1A_OUT | bidirectional | |
| 25 | ANALOG3 | bidirectional | |
| 26 | 3.3V | power | |
| 27 | GND | ground | |
| 28 | MOTOR_1B_OUT | bidirectional | |
| 29 | ANALOG4 | bidirectional | |
| 30 | 3.3V | power | |
| 31 | GND | ground | |
| 32 | GND | ground | |
| 33 | ANALOG5 | bidirectional | |
| 34 | 3.3V | power | |
| 35 | GND | ground | |
| 36 | ANALOG6 | bidirectional | |
| 37 | 3.3V | power | |
| 38 | GND | ground | |
| 39 | MOTOR_2A_OUT | bidirectional | |
| 40 | #3 | bidirectional | |
| 41 | #0 | bidirectional | |
| 42 | #4 | bidirectional | |
| 43 | #5 | bidirectional | |
| 44 | #6 | bidirectional | |
| 45 | #7 | bidirectional | |
| 46 | #1 | bidirectional | |
| 47 | #8 | bidirectional | |
| 48 | #9 | bidirectional | |
| 49 | #10 | bidirectional | |
| 50 | #11 | bidirectional | |
| 51 | #12 | bidirectional | |
| 52 | #2 | bidirectional | |
| 53 | #13 | bidirectional | |
| 54 | #14 | bidirectional | |
| 55 | #15 | bidirectional | |
| 56 | #16 | bidirectional | |
| 57 | SCL | bidirectional | |
| 58 | SDA | bidirectional | |
| 59 | GND | ground | |
| 60 | +3V | power | |
| 61 | ANALOG7 | bidirectional | |
| 62 | 3.3V | power | |
| 63 | GND | ground | |
| 64 | MOTOR_2B_OUT | bidirectional | |
| 65 | ANALOG8 | bidirectional | |
| 66 | 3.3V | power | |
| 67 | GND | ground | |
| 68 | IRQ | bidirectional | |
| 69 | SPKR- | bidirectional | |
| 70 | CAPTOUCH1 | bidirectional | |
| 71 | SPKR+ | bidirectional | |
| 72 | CAPTOUCH2 | bidirectional | |
| 73 | 5.0V | bidirectional | |
| 74 | NEOPIXELOUT | bidirectional | |
| 75 | CAPTOUCH3 | bidirectional | |
| 76 | GND | ground | |
| 77 | CAPTOUCH4 | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit Crickit for micro:bit (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Datasheet
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
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