Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
I recently bought an Arduino Due board, of which it's GPIO pins operate at 3.3V, not 5V as other boards do. Instead of improvising a level converter myself, I decided it's best to buy a already made and tested one. Even though it only has 4 bidiractional ports, it's more than 0 that I had. To use it, you only need a 3.3V and 5V supply, and that's it! A red SMD led confirms power is present, so you can start using 5V signal on a 3.3V pin (or vice-versa).
None. The fact that it's pins aren't soldered is actually an advantage, considering that some would wish to solder 90 degrees ones, or the cables directly, depending on their applications.
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