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Modules and Motors
PCA9685 16 Channel 12-bit PWM I2C Servo Driver Shield for Arduino
PCA9685 PWM Servo Driver Shield Specifications
- It is controlled via I2C, with internal clock.
- It can be controlled by the Arduino 5V 3.3V or offering the safety 6V output (ideal for controlling LED white or blue with + 3.4V)
- Frequency: 40 to 1000Hz
- PWM provides 16 channels
- Supply Voltage: 2.3 V to 5.5 V
- Temperature: -40 °C to +85 °C
₨1,100 ₨1,200
PCA9685 PWM Servo Driver Shield interface PCA9685 (Compatible)
- You do not need to continuously send it signal tying up your microcontroller, its completely free running!
- It is 5V compliant, which means you can control it from a 3.3V Arduino and still safely drive up to 6V outputs
- 6 address select pins so you can stack up to 62 of these on a single i2c bus, a total of 992 outputs – that’s a lot of servos or LEDs
- Adjustable frequency PWM up to about 1.6 KHz
- 12-bit resolution for each output – for servos, that means about 4us resolution at 60Hz update rate
- Configurable push-pull or open-drain output
- Terminal block for power input (or you can use the 0.1″” breakouts on the side)
- Reverse polarity protection on the terminal block input
- Green and red power-good LEDs
- 3 pin connectors in groups of 4 so you can plug in 16 servos at once
- A spot to place a big capacitor on the V line (in case you need it)
- 220 ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial
- Solder jumpers for the 6 address select pins
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