![]() With this pair, we get a smooth sail throughout the whole board. ![]() Thats what decoupling essentially boils down to (at least for us). We do this by using capacitors to keep the Current Continuously Consistent. This is great but we need to smooth it out, since any spikes of power could create havoc. Pin 3 is the raw 9 volts coming from the battery. Pin 2 supplies the whole board with 3.3 volts. this is all in the data sheet for the LM117. IMPORTANT NOTE do not mix up the pin labels in the schematic with that of the actual physical pins! things will get too hot too soon. So lets bring in a 1117 3.3 voltage regulator. Just look at the data sheet (page 1) which says our 24F16 chip can't tolerate more than 3.8 volts. And in this case, we need to get from the 9, the battery, all the way down to 3.3 or so.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |