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PCA9685 - 16-channel server driver, 12-bit PWM I2C - Adafruit 815
16-channel PWM generator useful when microcontroller outputs are missing. It allows, among other things, to control servos, regulate the speed of motors or change the brightness of LEDs. It communicates via I2C, operates with voltages of 3.3 V and 5 V.
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Product description: PCA9685 - 16-channel, 12-bit PWM I2C servo driver - Adafruit 815.
Precise 12-bit PWM signal generator. Enables up to 16 servos to be controlled. It uses only two I2C interface lines for communication. Thanks to address selection (0x60-0x80), 62 devices can be connected on one bus, which gives 992 PWM channels supported by one master microcontroller, such as Arduino Uno.
Botland is an official distributor of Adafruit electronics. These dependable American solutions cover sensors, controllers, Arduino shields, educational systems, smart building and a wide range of accessories. The Botland range holds original Adafruit products only.
Main features
- Voltage of the logical part: 3.3 V to 5 V.
- Servomotor supply voltage: up to 6 V.
- All outputs are described on the board.
- Built-in clock resonator, thanks to which the microcontroller signal does not have to be continuously sent to the system.
- Possibility to select I2C bus address (0x60-0x80) via jumpers, which allows to connect 62 devices.
- The PWM signal resolution is 12 bits, the frequency can be adjusted between 40 Hz and 1000 Hz.
- It has push-pull or open-drain digital outputs.
- Equipped with protection against inverse connection of power supply voltage.
- There are holes on the board to solder a large capacitor in case of interference due to too much current being drawn by the servo.
- It has 220 Ω resistors connected in series in the output circuits, thanks to which you can directly control LEDs.
- The set includes connectors for self-assembly:
- 1 x screw - to connect the power supply voltage,
- 4 x 3x4 goldpin strips, 2.54 mm raster for connecting servos.
- 1 x 1x6 goldpin strip for connecting logical signals using wires.
- Module dimensions are 62.5 x 25.4 x 3 mm
- No joints: 5,5 g
Arduino compatible product The manufacturer providesArduinolibraryon GitHub anduser's guide. |
Connection
The pins are holes forgoldpin strips - raster 2.54 mm(included), all pins are properly signed on the board.
| Pin | Description |
|---|---|
| GND | The weight of the system. |
| OE | When a high state is given to this pin, all outputs are disconnected. |
| SCL | I2C bus clock line. |
| SDA | I2C bus data line. |
| VCC | Logical part supply voltage |
| V+ | Servomotor supply voltage, also available on top of the board via ARK connector (self-soldering kit). |
Useful links
| Name | Value |
|---|---|
| Voltage to | 5.0 V |
| Voltage from | 6.0 V |
| Current | sources |
| Channels | 16 |
| Width | 10 cm |
| Height | 0.5 cm |
| Depth | 12 cm |
| Weight | 0.012 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
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If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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