Arduino Detection Question

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kiwis

794 posts

Ultimate Geek

#296159 25-May-2022 20:46

I'm trying to play around with some Arduino boards. I have a leonardo and a Mega 2560

When I plug in the leonardo I get the usual USB chime on my windows PC.

When I plug in my Mega 2560 I get nothing. I can't seem to detect it. Lights are flashing but I don't even think my PC is detecting what's plugged in.

Any ideas? This is what I have

https://www.trademe.co.nz/a/marketplace/electronics-photography/other-electronics/electronic-components/other/listing/3607813362?bof=OC2YVgyk

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mdf

3065 posts

Uber Geek

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#2918650 25-May-2022 21:00

That board uses a CH340 USB to serial chip. You need to install the drivers for it. See here for instructions: https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all

kiwis

794 posts

Ultimate Geek

#2918652 25-May-2022 21:13

mdf:

That board uses a CH340 USB to serial chip. You need to install the drivers for it. See here for instructions: https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all

I install that and get the message "The drive is successfully Pre-installed in advance". If I try uninstall it it get "No device found".

frankv

5061 posts

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Lifetime subscriber

#2918955 26-May-2022 14:37

It's been a while since I played with Arduinos, but IIRC the Arduino IDE will tell you if a CH340 board is connected or not (if you select the right one in the Board Manager).

richms

25148 posts

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#2918987 26-May-2022 15:55

Do you see any change in device manager when you plug it in?

Could just be a stuffed serial chip or socket or cable. If its a clone one the quality control isnt that good on them I have found solder bridges and missing components on them.

Richard rich.ms