I think half (maybe more?) depends on habits. So to me looks like we’re running in circles, and you’ll have to do the remaining 5% yourself. You can put the “arduino” board on the bottom, but it’s just as easy to flip the template mentioned earlier before export, and then put it on the top. Similar to BlackCoffe’s last post, I already suggested to swap connectors if needed, flip the board, extract Step or WRL from a KiCad template. With more modern microcontollers you also get real debug interfacesīut we’re getting sidetracked here. With a “real” programmer, you can be sure that the chip gets programmed from the right command in your makefile, or from your IDE, with no need to take your hands off the keyboard or mouse. Programming connectors just need a few wires, nothing more, and they always work.Pressing a button to enter boot loader mode? (But there are cases when bootloaders can be useful) I prefer to use onboard SMPS with a 24Vdc input. I don’t like the 16MHz crystal, it is not possible to get a real RS232 baudrate with it, which results in baudrates which are barely within tolerances.Pretty simple/basic… If you want a graphic, set your Mega to Bottom and adjust Z dist…Įvery argument has a valid counter argument. But, you get the idea…Īdd PinHeaders to board’s bottom and plug in your Mega. I was lazy and didn’t bother with the mating pinheaders or setting the correct distance for them. Image below shows an UNO shape with No header. I think you want to be able to plug the Mega into Pins mounted on the Bottom of main board. Mostly, though I use socketHeaders,I hated removing chips for re-programming (especially if needing to change only one thing) and some of my codes utilize Serial input for setting user’s values, such as local Latitude into Memory). No need for Power Regulator (user can tap off 13vdc for supply) or Pwr connector, caps…. ![]() ![]() No need for XTAL unless wanting higher speed.I pay $4 for Nano’sįor me, the main advantages of using a complete board (Nano,UNO,Mega) are On Board: I stopped bothering with the chips when the price of Nano’s, UNO’s, Mega’s dropped to the price of a cup of coffee (I have boxes full if someone wants to buy chips, real cheap… LOL). I ‘think’ I get what you want to do… but, first…įYI - I’ve made quite a few projects with Atmel and PIC chips (from Atmega 328p, Tiny’s, PIC’s and dsPIC’s).
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