Pololu Wixel Instrukcja Użytkownika Pobierz pdf (Strona 23)

5. Connecting Your Wixels

This chapter explains some of the electrical connections you might need to make to get your Wixel working the way

you want it to.

5.a. Connecting Power

The two main ways of powering the Wixel are the USB port and the VIN pin. The schematic of the Wixel’s power

system is shown below:

Wixel power system schematic diagram.

VIN Power Input

The Wixel can be powered from VIN if you connect a 2.7–6.5 V power supply (e.g. battery or regulator) to the GND

and VIN pins. The negative terminal should be connected to GND. The positive terminal should be connected to VIN.

It is okay to have both USB and VIN connected at the same time.

The Wixel can be powered from an

external power source connected to VIN.

USB Power Input

The Wixel can be powered from USB if you connect a USB cable and leave VIN disconnected. The Wixel will draw

its power from USB if VIN is disconnected or it is below about 4 V.

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