Trouble with mosfet

Hello everyone!
I have a problem with a mini mosfet switch, this one… Pololu - Mini MOSFET Slide Switch with Reverse Voltage Protection, LV

I have the circuit from this image… https://postimg.org/image/v9n5t11ox/

Mosfet is between Q1 (transistor) and the battery. I put it there because I want programme it to stop the voltage from PV from time to time.
The big problem appears when I attach the battery, MOSFET doesn’t work… some opinions on this thing?
Vin, Gnd and Vout form the Mosfet are connected correcty. I connected the “on” button to an arduino pin… should I connect anything else?
Please help me!

I connected the "on" button to an arduino pin... should I connect anything else?

Is that Arduino pin high (+5V)?

MOSFET doesn't work... some opinions on this thing?

It doesn't turn on or it doesn't turn off?

I have a problem with a mini mosfet switch...

...I put it there because I want programme it to stop the voltage from PV from time to time.

Is that really what you want? Are you going to use the mechanical slide switch?

You have been asked to post a picture of your soldering last week here:

forum.arduino.cc/index.php?topic=406058.0

Why did you ignore that, and start a new topic instead.
Leo..

Wawa:
You have been asked to post a picture of your soldering last week here:

forum.arduino.cc/index.php?topic=406058.0

Why did you ignore that, and start a new topic instead.
Leo..

I forgot about that post, sorry.

I managed to turn off and on the mosfet, but I still have that issue when I attach the battery... my mosfet stops and I can't read the Vin from the battery.

You need to clearly present your circuit as it is now..

You need to clearly present your circuit as it is now..

Please follow instructions and post a closeup photo of your soldering of the mosfet switch module.

Hi,

Vin, Gnd and Vout form the Mosfet are connected correcty.

Okay , What is ;

  • Vin connected to?
  • Vout connected to?
  • Gnd connected to?

Can you please post a copy of your circuit, in CAD or a picture of a hand drawn circuit in jpg, png?
Can you please post a picture of your project?

Thanks..Tom.. :slight_smile:

Is this how you connected the Mosfet circuit
PV_Charging.jpg

What in connected to Vin?

What is the battery voltage ? is it 12V?

If Vin is open circuit, you can’t read the Vin from the battery, this how Mosfet work.