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CHF 22.90

Adafruit 16-Channel 12-bit PWM/Servo Shield I2C interface

Art-Nr 5998688
 approx. 5–7 days Currently > 5 piece(s) in stock at the supplier


Mail delivery

  • approx. 5–7 days
    Currently > 5 piece(s) in stock at the supplier


  • All locations: approx. 3–5 days
    Currently > 5 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

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You want to make a cool Arduino robot, maybe a hexapod walker, or
maybe just a piece of art with a lot of moving parts. Or maybe you
want to drive a lot of LEDs with precise PWM output.

Then you realize that the Arduino has only a few PWM outputs, and
maybe those outputs are conflicting with another shield! What now? You
could give up OR you could just get our handy PWM and Servo driver
shield. It's just like our popular PWM/Servo Breakout but now
Arduino-ready and works with any Arduino that uses shields: Uno, Leo,
Mega, ADK, its all good.

When we saw this chip, we quickly realized what an excellent add-on
this would be. 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 (which we would really like to see since it would be glorious
and like 4 feet tall) 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, its completely free
* 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)
* 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
* 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

We wrapped up this lovely chip into a shield with a couple nice extras

* 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
* Stackable design. You'll need to pick up stacking headers and
right angle 3x4 headers in order to stack on top of this shield
without the servo connections getting in the way.
* A spot to place a big capacitor on the V+ line (in case you need
* 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
* A lot of extra space remaining? Let's turn it into a prototyping
area. You get a 5x20 proto area for any extra wiring you'd like to add

This product comes with a fully tested and assembled shield as well as
4 pieces of 3x4 male straight header (for servo/LED plugs), a 2-pin
terminal block (for power) and a stick of 0.1" header so you can plug
into an Arduino. A little light soldering will be required to assemble
and customize the board by attaching the desired headers but it is a
15 minute task that even a beginner can do. We also offer this shield
full pre-assembled, just choose the option when putting it in the
shopping cart. Servos and Arduino not included - but we do sell tons
of different servos in the shop so pick up a few while you're here!

Check out our tutorial with Arduino and you can get our documented
Arduino library which has both PWM and Servo examples! [1]



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General information

Manufacturer Adafruit
Product type Electronics modules
Item number5998688
Manufacturer no.ada-1411

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Warranty 24 month Bring-in
30-day right of return

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Mail delivery

 Expected delivery time: approx. 5–7 days
Currently > 5 piece(s) in stock at the supplier


All locations

 Expected delivery time: approx. 3–5 days
Currently > 5 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

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Adafruit 16-Channel 12-bit PWM/Servo Shield I2C interface Adafruit 16-Channel 12-bit PWM/Servo Shield I2C interface