February 1, 2011
about 4 years ago
Hunting around, it doesn’t look too bad to fix up - MAX3000 bidirectional logic level translator will do anything between 1.65 to 5.5V, so that’s fine for the 1.8 to 5V required for *duino operation. A 1.8V voltage regulator is about 30p (MCP1702).
Agreed, SF could have put in some decent level translation themselves, but it doesn’t look too painful to fix, just irritating to buy the £4 MAX3002EUP and have the faff of doing SMD soldering. But I’d rather practice SMD soldering with a cheap chip than with a fancy one. Hope that helps anyone!
So the I2C bus on this runs at 1.8V. Looking at the Sparkfun Logic Level converter, it seems that it might have problems switching 1.8V logic to 5V logic. Any thoughts?
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