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DIY 5-DOF Robotic Arm Kit

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Post time 2022-3-28 03:18:48 | Show all posts |Read mode
I am a newbie, so please bear with me...
I would like to modify the kit to record and playback servo inputs using a micro sd or external EEPROM module.
The kit utilizes your custom servo driver board.
I guess I need to use SPI or I2C to communicate.
It looks like I can't use SPI because pins D10,11,12 and 13 are not all available.
It appears that I could use I2C pins A4 and A5, but I can't find any micro sd modules that communicate via I2C.
I think that I2C would be fast enough for my needs and I prefer micro sd storage.
Any ideas on adding external storage to this Robotic Arm Kit?
Thanks in advance for your help.

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