Omega2 Servo Expansion Board (PWM)

Omega2 Servo Expansion Board (PWM)

The Servo Expansion Board adds 16 PWM (Pulse Width Modulation) outputs to your Omega2. Connect standard servos directly to the board, as each channel has its own 3-pin connectors, making it easy to start your project! This board is great for any application requiring servos, such as robotic projects or anything with moving parts. With the utility of PWM, you can also use this board to precisely control LEDs or power a DC motor using an H-bridge.

It features a built-in oscillator used to generate PWM signals with frequencies ranging from 24 Hz to 1526 Hz. The generated PWM signals run freely, so once you set the desired duty cycle for a channel, the signal will be continuously generated without further commands. Each of the PWM channels is programmed independently to the desired duty cycles, or all at once to the same duty cycle. A single command can quickly deactivate the oscillator output to turn off all PWM outputs at once.

Power the servo expansion board by connecting it to a dock (sold separately) that supplies 5V to 16 PWM channels, which should be sufficient for several LEDs or a few servos at a low load. If you are using more than 2 servos or very strong pieces, we have included a DC barrel jack adapter that allows you to connect a separate power source for more power. The PWM signal will be boosted to the voltage coming from the barrel jack. The 5V line of the Omega and dock is isolated from the DC barrel jack for protection, so you still need to supply power to your Omega2.

Note: This expansion board requires a dock with an expansion header, such as the Expansion Dock, Power Dock, or Arduino Dock R2.

Technical Details

• Number of Channels: 16
• PWM Signal Resolution: 12-bits with a resolution of 4.9us at 50Hz
• Minimum PWM Signal Frequency: 24 Hz
• Maximum PWM Signal Frequency: 1526 Hz

Links

• Servo Expansion Board Hardware Overview
• How to Use the Servo Expansion Board
• Technical Drawing