Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that they need to perform level shifting/conversion to protect the 3.3V device from 5V.
We do have some other handy level shifters in the shop, from the DIP 74LVC245 to the fancy bi-directional TXB0108. However, neither of these are happy to work with I2C, which uses a funky pull-up system to transfer data back and forth. This level shifter board combines the ease-of-use of the bi-directional TXB0108 with an I2C-compatible FET design following NXP's app note.
This breakout has 4 BSS138 FETs with 10K pullups. It works down to 1.8V on the low side, and up to 10V on the high side. The 10K's do make the interface a little more sluggish than using a TXB0108 or 74LVC245 so we suggest checking those out if you need high-speed transfer.
While we designed it for use with I2C, this works great for SPI, TTL Serial, and any other digital interface both uni-directional and bidirectional. Comes with a fully assembled, and tested PCB with 4 full bidirectional converter lines as well as 2 pieces of 6-pin header you can solder on to plug into a breadboard or perfboard.
Wir verwenden Cookies, um unsere Webseite bestmoeglich durch personalisierte Inhalte und Anzeigen an die Besucher anpassen zu koennen. Wenn Du mit der Nutzung der Webseite fortfaehrst, stimmst Du der Verwendung von Cookies automatisch zu.
Too bad, now we have to go back to the glass ball or read in the coffee grounds to understand our visitors ...
Why do we have to do that? Quite simply, you have forbidden us to watch Your steps on our site with Google Analytics. That sounds dramatically to You, we know. But look at it: we do not even know who YOU are, we just see that SOMEONE looks at our pages, how he/she does that, how long this SOMEONE lingers on the respective pages, etc. We do not know who You are, whether You are male or female, how old You are, how Your weight is - no idea. Nor do we pass this data on to Google, we don not have them not at all! Nevertheless, this data of SOMEONE will provide us with valuable information about our site, we want You to like everything here, that You feel good and - of course - buy our products ...
So we can see where there are problems. If many visitors leave our site during the purchase process while choosing the payment method, we know that something is wrong and can improve it. Sounds good, right? Thats good for You and good for us. So it´s a win-win situation. So let us accompany You on Your way through our store. Deal?
Thanks, Harry can pack the glass ball ...
Great, you got it! Now we can work better on our offer again!