ADA3416 · AdafruitActive
Adafruit product #3416.
| Part number | ADA3416 |
|---|---|
| Manufacturer | Adafruit |
| Category | Motor Drivers & Controllers › Servo & PWM Controllers |
| Pins | 123 |
| Channels | 16 |
Adafruit 16-Channel PWM / Servo Bonnet for Raspberry Pi pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | 5.0V | bidirectional | |
| 2 | 5.0V | bidirectional | |
| 3 | GND | ground | |
| 4 | TXD | bidirectional | |
| 5 | RXD | bidirectional | |
| 6 | GPIO18 | bidirectional | |
| 7 | GND | ground | |
| 8 | GPIO23 | bidirectional | |
| 9 | GPIO24 | bidirectional | |
| 10 | GND | ground | |
| 11 | GPIO25 | bidirectional | |
| 12 | SPI_CE0 | bidirectional | |
| 13 | SPI_CE1 | bidirectional | |
| 14 | EECLK | bidirectional | |
| 15 | GND | ground | |
| 16 | GPIO12 | bidirectional | |
| 17 | GND | ground | |
| 18 | GPIO16 | bidirectional | |
| 19 | GPIO20 | bidirectional | |
| 20 | GPIO21 | bidirectional | |
| 21 | 3.3V | power | |
| 22 | SDA | bidirectional | |
| 23 | SCL | bidirectional | |
| 24 | GPIO4 | bidirectional | |
| 25 | GND | ground | |
| 26 | GPIO17 | bidirectional | |
| 27 | GPIO27 | bidirectional | |
| 28 | GPIO22 | bidirectional | |
| 29 | 3.3V | power | |
| 30 | SPI_MOSI | bidirectional | |
| 31 | SPI_MISO | bidirectional | |
| 32 | SPI_SCLK | bidirectional | |
| 33 | GND | ground | |
| 34 | EEDATA | bidirectional | |
| 35 | GPIO5 | bidirectional | |
| 36 | GPIO6 | bidirectional | |
| 37 | GPIO13 | bidirectional | |
| 38 | GPIO19 | bidirectional | |
| 39 | GPIO26 | bidirectional | |
| 40 | GND | ground | |
| 41 | SDA | bidirectional | |
| 42 | SCL | bidirectional | |
| 43 | TXD | bidirectional | |
| 44 | RXD | bidirectional | |
| 45 | GPIO4 | bidirectional | |
| 46 | GPIO17 | bidirectional | |
| 47 | GPIO18 | bidirectional | |
| 48 | GPIO27 | bidirectional | |
| 49 | GPIO22 | bidirectional | |
| 50 | GPIO23 | bidirectional | |
| 51 | GPIO24 | bidirectional | |
| 52 | GPIO25 | bidirectional | |
| 53 | SPI_MOSI | bidirectional | |
| 54 | SPI_MISO | bidirectional | |
| 55 | SPI_SCLK | bidirectional | |
| 56 | SPI_CE0 | bidirectional | |
| 57 | SPI_CE1 | bidirectional | |
| 58 | GPIO5 | bidirectional | |
| 59 | GPIO6 | bidirectional | |
| 60 | GPIO12 | bidirectional | |
| 61 | GPIO13 | bidirectional | |
| 62 | GPIO16 | bidirectional | |
| 63 | GPIO19 | bidirectional | |
| 64 | GPIO20 | bidirectional | |
| 65 | GPIO21 | bidirectional | |
| 66 | GND | ground | |
| 67 | GND | ground | |
| 68 | PWR | bidirectional | |
| 69 | GND | ground | |
| 70 | PWR | bidirectional | |
| 71 | 5.0V | bidirectional | |
| 72 | 3.3V | power | |
| 73 | GND | ground | |
| 74 | +5V | power | |
| 75 | GND | ground | |
| 76 | SERVO00 | bidirectional | |
| 77 | SERVO01 | bidirectional | |
| 78 | SERVO02 | bidirectional | |
| 79 | SERVO03 | bidirectional | |
| 80 | SERVO04 | bidirectional | |
| 81 | SERVO05 | bidirectional | |
| 82 | SERVO06 | bidirectional | |
| 83 | SERVO07 | bidirectional | |
| 84 | SERVO08 | bidirectional | |
| 85 | SERVO09 | bidirectional | |
| 86 | SERVO10 | bidirectional | |
| 87 | SERVO11 | bidirectional | |
| 88 | SERVO12 | bidirectional | |
| 89 | SERVO13 | bidirectional | |
| 90 | SERVO14 | bidirectional | |
| 91 | SERVO15 | bidirectional | |
| 92 | +5V | power | |
| 93 | +5V | power | |
| 94 | +5V | power | |
| 95 | +5V | power | |
| 96 | +5V | power | |
| 97 | +5V | power | |
| 98 | +5V | power | |
| 99 | +5V | power | |
| 100 | +5V | power | |
| 101 | +5V | power | |
| 102 | +5V | power | |
| 103 | +5V | power | |
| 104 | +5V | power | |
| 105 | +5V | power | |
| 106 | +5V | power | |
| 107 | +5V | power | |
| 108 | GND | ground | |
| 109 | GND | ground | |
| 110 | GND | ground | |
| 111 | GND | ground | |
| 112 | GND | ground | |
| 113 | GND | ground | |
| 114 | GND | ground | |
| 115 | GND | ground | |
| 116 | GND | ground | |
| 117 | GND | ground | |
| 118 | GND | ground | |
| 119 | GND | ground | |
| 120 | GND | ground | |
| 121 | GND | ground | |
| 122 | GND | ground | |
| 123 | GND | ground |
Schematic symbol and footprint
Footprint: Adafruit PWM/Servo Bonnet (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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