@ -22,7 +22,7 @@ This particular doc gives you a guide that specifies certain pins. However the l
This is easily verified with an oscilloscope, as the hub guide has you putting something that is obviously not clock on the CLK pin (this being SPI).
Instead, I found success by just following the adafruit code (which includes a pinout in its source).
Instead, I found success by just following the adafruit code (which includes a pinout in its source). EDIT: adafruit requires you to include their splash screen, so instead use https://github.com/baghayi/Nokia\_5110 , which is also much easier to manage (though may omit graphic support)
Oddly enough, there is no requirement to include 5V to 3.3V level shifters to the Nokia. Instead, they recommend dropping some 10K resistors in there, and just using the 5V IO on the Uno. It does work, but not without some trepidation on the builder's end.
@ -39,7 +39,7 @@ As this is intended to be a very quick prototype, the following is being done.
\textbf{What needs to be done:}
\begin{itemize}
\item Build DB management into this (will be difficult, as you have to type in the name of each liquid you are testing). Probably need BBB or RPI.
\item Build DB management into this (will be difficult, as you have to type in the name of each liquid you are testing). Probably need BBB or RPI. Means a keyboard might be required.