Mega 2560 problem

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Mega 2560 problem

werk_ag
Development Team

Posts: 5.414
Threads: 336
Joined: Apr 2014
Weather Station: WeatherDuino 4Pro
Country: Portugal

Portugal

#23

04-05-2020, 04:26

I think you mean the TFT display is blank...

Before installing the Meduino 2650 board on Pro2 PLUS board, do you have removed the diode illustrated on the image bellow?

[Image: mega_mini_usbmod.jpg]

[Image: mega_mini_usbmod.jpg]

This procedure is very important and referred in several places on the forum and also on the WeatherDuino Wiki.

If the diodo wasn't removed, always disconnect the USB cable before disconnecting the board mains power supply, otherwise board damage will occur.

Things to check:
- Check voltage at the 3.3V rail
- Does the 3.3V voltage regulator appear to be very hot?
- Disconnect all the wires to the TFT display and run the Flasmemory test again. Are you getting the same results?

Rgs

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Messages In This Thread

Mega 2560 problem - by AllanG - 28-03-2018, 14:35

RE: Mega 2560 problem - by werk_ag - 28-03-2018, 21:41

RE: Mega 2560 problem - by AllanG - 29-03-2018, 07:13

RE: Mega 2560 problem - by uncle_bob - 29-03-2018, 12:52

RE: Mega 2560 problem - by AllanG - 29-03-2018, 09:14

RE: Mega 2560 problem - by AllanG - 30-03-2018, 07:44

RE: Mega 2560 problem - by werk_ag - 31-03-2018, 07:17

RE: Mega 2560 problem - by AllanG - 31-03-2018, 10:07

RE: Mega 2560 problem - by werk_ag - 31-03-2018, 21:19

RE: Mega 2560 problem - by uncle_bob - 01-04-2018, 00:03

RE: Mega 2560 problem - by AllanG - 02-04-2018, 07:29

RE: Mega 2560 problem - by JT118 - 21-03-2020, 10:38

RE: Mega 2560 problem - by werk_ag - 21-03-2020, 20:35

RE: Mega 2560 problem - by JT118 - 21-03-2020, 20:44

RE: Mega 2560 problem - by werk_ag - 21-03-2020, 21:07

RE: Mega 2560 problem - by JT118 - 23-03-2020, 19:03

RE: Mega 2560 problem - by engolling - 23-03-2020, 20:50

RE: Mega 2560 problem - by JT118 - 23-03-2020, 22:01

RE: Mega 2560 problem - by engolling - 23-03-2020, 22:27

RE: Mega 2560 problem - by laulau - 23-03-2020, 22:43

RE: Mega 2560 problem - by werk_ag - 24-03-2020, 01:07

RE: Mega 2560 problem - by jonnyhk - 03-05-2020, 10:28

RE: Mega 2560 problem - by werk_ag - 04-05-2020, 04:26

RE: Mega 2560 problem - by bombenm - 17-06-2020, 20:29

RE: Mega 2560 problem - by werk_ag - 17-06-2020, 23:15

RE: Mega 2560 problem - by bombenm - 18-06-2020, 20:25

RE: Mega 2560 problem - by bombenm - 18-06-2020, 20:42

RE: Mega 2560 problem - by werk_ag - 18-06-2020, 22:45

RE: Mega 2560 problem - by bombenm - 18-06-2020, 23:04

RE: Mega 2560 problem - by bombenm - 18-06-2020, 23:11

RE: Mega 2560 problem - by werk_ag - 18-06-2020, 23:24

RE: Mega 2560 problem - by werk_ag - 18-06-2020, 23:15

RE: Mega 2560 problem - by bombenm - 18-06-2020, 23:25

RE: Mega 2560 problem - by werk_ag - 18-06-2020, 23:54

RE: Mega 2560 problem - by bombenm - 19-06-2020, 19:17

RE: Mega 2560 problem - by werk_ag - 19-06-2020, 20:29

RE: Mega 2560 problem - by bombenm - 19-06-2020, 21:03

RE: Mega 2560 problem - by werk_ag - 19-06-2020, 22:08

RE: Mega 2560 problem - by bombenm - 20-06-2020, 10:39

RE: Mega 2560 problem - by bombenm - 20-06-2020, 10:54

RE: Mega 2560 problem - by bombenm - 20-06-2020, 12:59

RE: Mega 2560 problem - by werk_ag - 20-06-2020, 16:42

RE: Mega 2560 problem - by laulau - 19-06-2020, 20:08

RE: Mega 2560 problem - by bombenm - 19-06-2020, 20:24

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