Sunday, July 31, 2016

Version 4.1 is here!

This is a large change from v3.x.

- Switched from through hole atmega328 to surface mount atmega328.
- Added ISP header for programming new SMD 328 bootloader.
- Added on-board FTDI adapter so uploading code is as easy as plugging in a mini USB cable.
-- Still has 6 pin FTDI header so you can still use external FTDI adapter to program.
-- Added status LEDs for on-board FTDI uploading (rx/tx).
- Switched to a new voltage regulator that MUCH more common/easy to find.
-- Added heatsink area for vreg.
- Changed the way the board is powered; now all power inputs go through their own diode, and THEN to the vreg, so they're all isolated, and now the vreg output is a clean 3.3v.

OSHPark v4.1 PCB
Mouser BOM

Tuesday, January 12, 2016

Here's what v3.2 pcb looks like bare, and when finished :)

These pcbs were ordered from DFRobot, specifically asking for blue pcb color; OSHPark only makes pcbs in purple.

Friday, December 18, 2015

Tuesday, December 15, 2015

BlueSaab v3.1 BOM & PCB

I'm getting a lot of requests for the BOM & PCB, so here they are. I'm also posting this in the forum.

Mouser parts list

OSHPark pcb (minimum order 3 copies)

Thursday, November 5, 2015

BlueSaab Forum

At Karlis' suggestion, I've added a forum to the blog so people can ask questions and add comments easier (I hope) so that it will be more of an interactive discussion regarding the development of the module.

Feel free to start using it :)

The link should be on the right side, under "About Me".

Monday, November 2, 2015

RN52 hardware

Here's ver 2 of the hardware

I've already made a v3, to fix a problem with the USB plug on the bottom (for RN52 firmware upgrades). Firmware upgrades will be rare, and in fact, future upgrades will be done via UART pins, so the USB plug is for RN52 modules with old firmware (v1.10 & older). v1.16 and above will use UART for upgrades.

Karlis has done a smashing job on the software side! The module doesn't drop out at all now, steering wheel controls work with both iPhone and Android phones, and he's also integrated bluetooth sync connect & disconnect controls via the head unit (IHU).

There are still some bugs he wants to work out, and of course, getting artist/track info on the SID is on the to-do list :)

You'll also notice the 3.5mm jack at the top. That's for the Mic input to the RN52, which Karlis & I are planning on using the vehicle's On-Star mic. So once we figure out the best way to do that, he even has the code setup to bring Siri up for a long button press :) So eventually, you'll be able to wire in the car's mic to a 3.5mm plug, and plug that into the module, and be able to talk to Siri at the press of a button (or no button if your phone is charging or you have 6S)!

Feel free to ask questions in the comments; Karlis said he'd try to answer software questions for me :)

And no, I'm not planning on making/selling them. Do you know how much work that would be for me for all of you?! But I can help guide you along the way :)