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  • August-18 2019 14:05:43

    This PCF8575 16-Bit Bidirectional IIC I2C module can be used for output and input. Together with the Arduino Nano, the Servodriver PCA9685 16-Channel 12-bit PWM Servo Motor Driver I2C Module and the L298N Dual H Bridge Stepper Motor Driver Board For Arduino you can build a very compact control module for a robotcar with 16 PWM- or On/Off drivers and 16 scanpoints. Very easy to couple the PCF8575 module with the PCA9685 module using I2C! No more lack of GPIO's!

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  • April-21 2020 03:32:24

    This item does exact what it says to be doing, nothing more, nothing less. One of the best things, is the fact that it remembers the last "setting" during power loss, so when the power comes back the bits you have set before still remains. I use them with an ESP8266, and by using them I´m not only get around the limited amount of GPIO:s, I also get rid of the problem with GPIO:s changing state during power-ups, and as mentioned above, this little board also remembers what was set before powering

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  • December-23 2020 16:19:30

    ok

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  • June-08 2020 15:54:41

    My boards arrived a few weeks ago! They are great!! Great vendor!!!

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  • April-29 2020 07:35:14

    Ótima qualidade

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  • April-19 2020 17:18:49

    working well

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  • June-12 2018 11:35:10

    functionality has no problem, but there is one issue with this breakout design (not for this particular seller, since many other sellers also have this product). Each row of pins are 2.54mm fitting on breadboards or prototype boards, however, the distance between two rows is not integer multiple of 2.54mm, which means they cannot be put on breadboard or prototype boards

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  • January-07 2020 05:22:35

    Excellent.

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  • December-18 2019 02:07:21

    Pin pitch not matching strip board. Otherwise good manufactured

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  • June-13 2019 06:13:52

    GOOD ITEMS

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