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Joe,

Great. "Raduino Pill" sounds good too and may require another topic. The main thing the Pill brings is speed, memory, and low cost. The whole Raduino Pill brings I/O. Who will provide the firmware and support ? Firmware is the key to all future projects.

I would like to see:
1) analog inputs for a SWR/Power board using AD8307 parts.
2) analog input for LiPo internal battery voltage
3) interface to a small color TFT touchscreen via an SPI interface. You said you would provide SPI.
4) full blown keyer support with memories, etc similar to what K3NG offers??
5) plenty of I2C interfaces. You said you had several !2C.?
6) I guess if you bring out more I/O there are other opportunities, I'm sure others will provide input.
7) please keep the overall costs down
8) keeping the Si5351 on the Raduino Pill is fine with me.....analog RF board and a digital control board.

73 Kees K5BCQ

Didn't mean to start another topic right then and there. This was in response to Joe's note. The original topic was Raduino CAD

My present layout (on the screen now) extends the Raduino width about an inch or so to the right (inside). The Pill board is set in toward the left about 1.5", leaving room on the right for a very short USB pigtail from the Pill USB connector that solders to the Raduino board. There's a Micro USB connector on the Raduino board that connects to all the USB signals from the pigtail, but has a breakout for a Schottky diode in the 5V path. All of this should fix the dual-power problem while allowing an unmodified Pill to be used.

I'm providing a couple connectors for the I2C bus and the SPI bus, and all the unused Pill I/O's will go to yet another connector. I'm putting a capacitor coupled DC voltage divider on one of the Pill analog inputs for audio input to drive my software S-meter. Perhaps there should be optional voltage dividers on other analogs?

For now, I'm calling this the "Raduino Pill".

Comments/Suggestions?
Joe
W3JDR

Hi Kees!
I stumbled upon this post while doing Google searches on Raduino. It is, of course, about my Raduino Pill board which is a direct replacement for the stock Raduino, but with an STM32F103 processor and much more I/O. I think it hits all the points on your wish list. I released the PCB to fab a few weeks ago and am waiting for boards to arrive from China. Assuming it functions without major rework, I'll post the CAD files and Gerbers on my web site and encourage others to develop for it. I plan to immediately mod the stock uBITX firmware to run on it, then will expand functionality to incorporate the work I've done with TFT displays, hi-res encoder and software S-meter & AGC. I've cleared my bench in anticipation of arrival and am checking the mailbox every day.

Joe

Hi Guys!
The boards arrived today(picture below), so I'll be starting to populate them ASAP. I'll be away most of next week, so progress might be slow starting.

BTW..

The schematic can be found in the Files section under W3JDR

I got some time to build up the power managememt, Si5351 and LCD sections.?
Updates are posted to:
www.w3jdr.com

Made some progress on this. The board is now alive. The LCD and encoder sections are functioning. Testing the Si5351 is next, then see if I can convert uBitX20 firmware to run on it.



Joe

Today I got the Si5351 running, so all the subsystems (LCD, encoder, Si5351) are now operational. Next step is to try to build stock uBitX code on the new platform.

Hi Joe,

Haven't seen any development on this board in some time.? I'm sure you've been busy.? Any chance there has been any progress on this?? I'd love to get the cad files for the board.
--
John - N0CTL - Fulltime RV in a 40' motorhome