designing with propeller 1

zoraster

I want to use the propeller in a custom robot and I'm wondering what kind of buffering is needed for the propeller chip

Publison

Not sure what you mean by "buffering".

Do you mean voltage translator:
https://www.google.com/search?sxsrf=ALeKk03wI1mbCJoQ1OHswawjQL7j3WdkIA:1585325711107&ei=jyZ-XoiXBu-Jggev7K2gDQ&q=voltage+level+translators&oq=voltage+level+translators&gs_lcp=CgZwc3ktYWIQARgAMgIIADIGCAAQChAeMgYIABAFEB4yBggAEAUQHjIFCAAQzQIyBQgAEM0CMgUIABDNAjoECAAQRzoHCCMQsAIQJzoGCAAQBxAeOggIABAHEAoQHjoGCAAQDRAeOgoIABANEAUQChAeOggIABANEAUQHjoICAAQBxAFEB5QpsABWIXXAWC_7gFoAHACeACAAXWIAdQFkgEDNy4xmAEAoAEBqgEHZ3dzLXdpeg&sclient=psy-ab

or serial:
https://www.ftdichip.com/USB.html

JonnyMac

Depends what you're connecting to. If the device is compatible with 3.3v logic, nothing needed. If you have a 5v signal coming in, you can protect the Propeller IO pin with a 4.7K resistor.