Hello!
I'm on a project that has been giving me a headache.
I have an Arduino Leonardo sending information via RX/TX to a Raspberry with Emperia (Android).
However, when I plug both into the socket (Arduino with the microSD connected to the Raspberry via USB), the Raspberry starts and until I press the Arduino reset button, it doesn't finish initializing, it stays on a white screen.
I have already tried to reset via software but without success, the only way so far is to press the reset button or turn on the reset in GND.
Is there any other way to make this automated?
I moved your topic to an appropriate forum category @engelgui .
In the future, please take some time to pick the forum category that best suits the subject of your topic. There is an "About the _____ category" topic at the top of each category that explains its purpose.
This is an important part of responsible forum usage, as explained in the "How to get the best out of this forum" guide. The guide contains a lot of other useful information. Please read it.
Thanks in advance for your cooperation.
Sorry!
I'll look more closely next time, thank you.
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What are you powering the Raspberry Pi with? Official Pi power supply?
I a wondering whether there is insufficient power to supply enough current to both devices simultaneously?
A power supply that I had made with 5.1V and 5A
So you're using the physical pins on the Leonardo? If so, I hope that you have a voltage divider (or level shifter) between the Tx of the Leonardo and the pin on the Pi; only time that would not be needed is if the Pi's pins are 5V tolerant (not familiar with the Pi, I only know that it's a 3.3V board).
Is that connection only used to power the Leonardo?
Who doesn't finish initialising? The Pi or the Leonardo? Where is the screen connected to (Pi or Leonardo)?
You can reset the Leonardo from the Pi by opening and closing the serial port with a baud rate of 1200 baud. Is that what you tried?
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