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Looking for a solution to the PWM output limit of your micro:bit when building a robot with lots of servos? We understand your struggle and have an excellent solution for you - the handy servo driver breakout.
Equipped with a micro:bit edge connector, this driver is easily pluggable and only requires 2 pins for I2C control. It offers up to 16-channel servo/PWM outputs with a 12-bit resolution for each channel, allowing for 4096 scales. Additionally, it integrates a 5V regulator with an output current of up to 3A and can be powered through the VIN terminal with a battery.
Not only does it support standard servo interfaces for commonly used servos, but it also has reserved I2C control pins for use with other control boards. The driver comes with development resources and a manual, including micro:bit graphical examples such as Bluetooth/2.4G wireless remote control.
In terms of specifications, the servo driver breakout requires a 5V power supply through the POWER connector or 6V~12V through the VIN terminal. It supports a 5V servo voltage and a 3.3V logic voltage. The driver is based on the PCA9685 and uses an I2C control interface. Its dimensions are 65mm x 36mm with a mounting hole size of 3.0mm.
Ever grappled with the PWM output constraints on your micro:bit while constructing a robotic appendage or any robot requiring multiple servos? We empathize and present an impeccable solution. This versatile servo driver expansion is tailor-made for you.
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