A MB102 Module Alimentation Breadboard accepts an input through a barrel jack from a battery, a 12V adapter or any other source, and provides to our circuit a 5V or 3.3V tension, depending on our needs. We’re going to soon introduce Arduino into our circuits, and all our Arduino circuits will work with those voltage levels.

The input voltage accepted is 6.5V – 9V DC. The maximum output current is 700mA.

We connect it to the breadboard directly:

MB102 Module Alimentation Breadboard Plaque Essai 3.3V 5V

Then on each side you can decide which tension you want to apply to the power lines in the breadboard, independently: 5V like in this case:

Or 3.3V, by changing the position of the jumpers:

You can also turn it off by positioning the jumpers in the middle:

MB102 Module alimentation branchement avec breadboard arduino Maroc

Then you can connect to a 12V to 220V adapter using the barrel jack input:

Chargeur source alimentation externe arduino Maroc

Press the gray button to turn it on. The LED will turn on too

The USB port is not there to power the power supply module. It’s there to power an USB Device if needed (like the Arduino, for example).

There are also other output pins on top that provide GND, 5V and 3.3V in case you need them.

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