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| How to control pneumatics with a MCU? |
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| Brumby:
--- Quote from: aah136 on October 29, 2018, 01:10:33 am ---The only thing that concerns me is testing surface mount chip circuits because I don't have much design experience using IC's. As you can't really breadboard it, are there any good surface mount prototyping techniques? I suppose you could solder it to a perf board and mess with it that way? --- End quote --- Look for "SMD breakout boards". These match SMD devices to breadboard environments - as well as hand soldered lash-ups. |
| max_torque:
You can prototype with SMC components, especially the bigger pitched stuff, you just need to get creative! That's ^^^ an Infineon smart H bright (TLE5206) with some of it's pins bent up, soldered to a bit of copper clad, with another bit of strip board acting as another "layer" to connect to the logic pins........ :clap: |
| aah136:
I have found some SMD breakout boards on adafruit to try out for prototyping. Here is the high side switch I found: https://www.digikey.com/product-detail/en/texas-instruments/TPS1H000AQDGNRQ1/296-47601-2-ND/8020866. My concern now is how to ensure we have the right 24V output to the valves. As any mosfet switch is a VCCS so the 24V supplied will have a big drop across the FET switch, should I instead look to some kind of opamp switch circuit maybe that will act as a VCVS? Are there any standard, simple ways to achieve voltage controlled voltage source behavior? |
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