When Arduino debuted, most sensors and other interfacing devices ran on 5 volts. This tutorial shows how to hack your 5 volt Arduino board to run on 3.3 volts. It is a simple procedure involving ...

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I checked the USB host shield mini information, and I know it should work with Arduino Pro Mini 3.3V, the problem Arduino Pro Mini 3.3V is very difficult to power it with a UBS power （5v） supply. Now ...

If you’ve ever tried connecting a 5V Arduino to a 3.3V sensor and got nothing but weird signals, this little module is here to save the day. The TXS0108E level shifter is an 8-channel, high-speed ...