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The Adafruit 16-channel 12-bit PWM/Servo Shield is perfect to build an Arduino robot, an hexapod, drive a lot of LEDs. It works with an Arduino Uno, Mega, ADK.
Using only two I2C pins, control 16 free-running PWM outputs! You can even stack up 62 shields to control up to 992 PWM outputs. Because I2C is a shared bus you can also connect other I2C devices and sensors to the SCL/SDA pins as long as their addresses don't conflict (this shield has address 0x40)
- There's an I2C-controlled PWM driver with a built in clock. That means that, unlike the TLC5940 family, you do not need to continuously send it signal tying up your microcontroller.
- It is 5V compliant, which means you can control it from a 3.3V Arduino and still safely drive up to 6V outputs (this is good for when you want to control white or blue LEDs with 3.4+ forward voltages)
- Adjustable frequency PWM up to about 1.6 KHz
- 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 (Servo plugs are slightly wider than 0.1" so you can only stack 4 next to each other on 0.1" header
- 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
- A lot of extra space remaining? Let's turn it into a prototyping area.
- 1x shield
- 4x 3x4 straight header
- 1x 2-pin terminal block
|Dimensions L x W x H||54 mm x 70 mm x 3 mm|
Adafruit 16-Channel 12-bit PWM/Servo Shield I2C Interface
- Adafruit Industries
- The Adafruit 16-channel 12-bit PWM/Servo Shield is perfect to build an Arduino robot, an hexapod, drive a lot of LEDs
- Availability: 2 (Canada)
- $ US17.50 $ US5.00 USD 250.00 Left For Free Shipping