| Electronics > Projects, Designs, and Technical Stuff |
| DIY Modular Test Equipment Project |
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| void_error:
--- Quote from: void_error on June 25, 2018, 06:53:46 pm ---Speaking of which... is anyone interested of having the possibility putting your own favorite micro (on a daughter board) so I can add a bunch of pin headers to facilitate that? --- End quote --- No more need for that. Switching to STM32s which have an integrated ROM bootloader. I've been looking into them for quite some time but until January this year all the decent development tools weren't free. Now there's this which is basically eclipse with GCC & GDB and works out of the box. No more slapping development tools together. The MCU of choice is going to be STM32F101VC for the UI. 100 pins LQFP, has a RTC with battery backup so no need for a separate RTCC chip. ROM bootloader is accessible via USART1. At the moment I'm not too sure about how I'll update the firmware on the MCUs of the other modules so I might have to abandon the half-duplex RS-485 style of communication via UART and think of something else just so I (or you) can flash everything after it's been all put together. |
| void_error:
Updated all of this project's github repos, have a look if you want. PCB layouts aren't finished and schematic need some cleaning up. I'll do it when I have the time and energy. |
| void_error:
Waveform gen is almost finished, everything's now up to date on Github as I finally found some time to work on it. The PCBs need a bit more work, via stitching in some places and spme traces need tweaking. Everything stacks up nicely. |
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