External SD Card reader with DuetWiFi
Is it possible to connect an external SD card reader to Duetwifi directly using the CONN_SD pins? While also using the paneldue using the four wire cable?
This is the link to the card reader I have:
I'm using Duet WiFi 1.03 + DueX2 + PanelDue 7i
Thanks in advance.
Yes that should work, if you wire it up correctly. It will be much slower than the internal SD card, but should be fast enough to print from.
@dc42 thank you
CaiJonas last edited by
Do you have some suggestions or links what to buy? I tried it with the sd card reader from the radds display but I want to use an sd cards reader without a display.
Mabover last edited by
I used this adapter on my kossel build as the position of the SD socket on the paneldue lcd was not in a good spot for how I mounted the lcd
SMAKN SD Card Reader Module Chip SD SPI Interface, SD Card Socket SD Card Reader Module https://www.amazon.com/dp/B00VFH0YS0/ref=cm_sw_r_cp_apa_i_mkZ3Bb8YEVBXS
I searched for arduino sd card to find sd card adapter boards instead of USB SD card readers. Do make sure the adapter you buy is 3.3v not 5v. I confirmed this one was when I received it prior to installing it.
I ended up using shielded cable to make the connection between the Duet wifi and the adapter to minimize the risk of noise on the lines as I had to run near the power supply in my printer and it's a bare power supply inside a custom 3d printer enclosure that holds the panel due.
CaiJonas last edited by
Thank's guys, I will order this one from Amazon. That should work?
@caijonas yeas it should do, just don't bother with the 5V pin
I could be wrong (I am out of the office so I can't easily check), but I am fairly sure you do need a 5V SD card adapter. The reason is that the SD card needs a 3.3V supply, and the CONN_SD card only provides 5V.
I've connected the SD Card reader using a 26 AWG ribbon cable and I'm happy to say that its working. I did up to 13 hr long prints. The cable is more than 1m long. The only problem I've noticed is when I started the print from DWC I couldn't pause it using paneldue. Paneldue seemed unresponsive. I only noticed it once. Haven't checked it again.
paboman last edited by
I also need to place an external card reader in a different place (near the Duet Wifi)
- should I use the 3.3v or 5v to power the card reader ?
- Why the card reader has 2 GND inputs ?
- Can someone please confirm that connections below are right, I want to be sure to not to damage the Duet board.
GND > GND
3.3v > 3.3v
CS > SPI0_CS0
MOSI > SPI0_MOSI
SCK > SPI0_SCK
MISO > SPI0_MISO