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mackoffgrid

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Joined: 13/03/2017
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Posted: 06:23am 13 Mar 2019

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I haven't yet, I've been waiting to add it to another order too save $$ but I've been bogged down. I'll try and sort it out soon

davef
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Joined: 14/05/2006
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Posted: 08:24am 13 Mar 2019

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No problem.

Cheers,
Dave

mackoffgrid

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Posted: 06:52am 19 Mar 2019

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Hi Dave, Ordered all my pcb's today. Overall its AUD$86 for 45 pcbs of different flavours

So thats comes to $1.90 a piece, if you are interested.
I'll probably have them inside a week.

Gerber Files I sent for manufacture https://github.com/mackelec/Power_Scope

Cheers
AndrewEdited by mackoffgrid 2019-03-20

davef
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Posted: 07:34am 19 Mar 2019

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Hi Andrew,

Sent you a PM.

Dave

mackoffgrid

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Posted: 08:18am 31 Mar 2019

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For anyone thinking of buying a stm32 "BluePill" board I would could consider this product.

robotDyn BluePill

I haven't bought one yet, but the referrals from this sources has impressed me.
stm32duino - robotDyn Bluepill topic

I had to repair my first and only BluePill. I have ordered another from Aliexpress before I found this.

BTW, the two product are the same hardware, the more expensive one has the USB boot loader done for you. And go for the UN soldered pin headers - they're no trouble.

Hope this helps

Andrew

mackoffgrid

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Posted: 09:48pm 13 Apr 2019

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Guys
Don't use R1 on 2019-Feb version PCB. It has the USB line PA12 pulled up to 5v where it should be pulled up to 3.3volts. My error was to follow the error on the BluePill schematic.

The USB mod to the bluePill (which is fixed on the robotDyn boards I believe)

is to either change R10 (smd) on the Bluepill to 1k5 OR add a 1k8 on top of the BluePill

davef
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Posted: 06:23am 14 Apr 2019

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Thanks for the heads-up, still waiting for connectors.

Dave

mackoffgrid

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Posted: 01:20pm 20 Apr 2019

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When I first started using the BluePill, not that long ago, I found that getting all the info together was slow, or out-dated or just confused between the different cores available.

I did a quick how-to. Blue Pill setup Wiki

Cheers
Andrew

LadyN

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Joined: 26/01/2019
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Posted: 08:03pm 22 Apr 2019

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I received 2x BluePill from the Sincere Company Store on Ali and both boards have the correct 1.5k USB pullup to 3v3, so I don't believe a mod will be needed? Have not flashed it yet

However, I have a question:

If I connect an external 3v3 power source to the 3v3 pin on the board while making sure neither the 5V pin nor the USB port was connected, could I end up damaging the board anyways (or perhaps the LDO)?

I ask because the tiny 3v3 LDO on board looks underspecified and it would be easier for me to power this board over 3v3 than 5v

If desoldering out the tiny 3v3 LDO on board would help, I can do that, but I dont prefer it as it might make programming the STM32 over USB/HID difficult

I can ask this question on a different thread since it's not directly relevant to this project

mackoffgrid

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Posted: 09:28pm 22 Apr 2019

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The 3v3 reg will be fine. For the purposes of programming the Boot Loader you can power it from either 3v3 or 5v.

FYI, if you are powering it from the USB, just omit the 5v/3.3v when connecting up the USB-Serial adapter.

davef
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Posted: 07:44pm 13 May 2019

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Could you suggest which project (.ino) would be a good starting point?

Thanks,
DaveEdited by davef 2019-05-15

mackoffgrid

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Posted: 09:46pm 13 May 2019

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Hi Dave
I need to get back to this project, I was waiting for parts for current sensing etc.
The latest version is on GitHub, InverterScope_ILI9486.
Libraries

I did try one of these but I found it to be very noisy compared to a plugpack transformer. Couldn't sync very well at all.

I want to try just the 2mA transformer without the active parts.

Cheers

Andrew

LadyN

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Posted: 09:48pm 13 May 2019

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nvmEdited by LadyN 2019-05-15

mackoffgrid

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Posted: 09:24am 14 May 2019

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Correction to that link.

InverterScope_ILI9486

The github link is Inverter Scope GitHub

Cheers
Andrew

davef
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Posted: 09:53am 14 May 2019

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Hi Andrew,

Which board has the ILI9486 on it? The boards I got say:
spfd5408 controller with built in video RAM buffer

Thanks,
DaveEdited by davef 2019-05-15

mackoffgrid

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Posted: 11:25am 14 May 2019

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The 3.5" MCUfriend LCD has that driver. The Library by David Prentice should work with both. His repository is david prentice Github. I modified his library to work with my pin selections.

GenetrySolar
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Joined: 19/07/2019
Location: United States
Posts: 3

Posted: 10:44pm 18 Jul 2019

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Hi Mack,

I would be interested in integrating this into a line of Power Jack inverters. Possibly for mass production. I would like to discuss some more details with you if possible.

Thank you very much

mackoffgrid

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Posted: 11:03pm 18 Jul 2019

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No worries GS

Its all there on Github - I am behind on finishing off the software. I have no problems with you guys freely using any or all of the work I've done. Just give back to the community

I am happy to help in any way I can.

Cheers
AndrewEdited by mackoffgrid 2019-07-20

kentfielddude
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Joined: 09/05/2019
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Posts: 89

Posted: 05:56pm 19 Jul 2019

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mackoffgrid is the hardware complete? Will you be making any changes?

mackoffgrid

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Posted: 08:39pm 19 Jul 2019

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The hardware is complete (so far

)

Like all things, my bare bones hardware may warrant changes to suit other circumstances.

The analogue input is basic, transformers and current sensors are all off board.

Cheers
Andrew

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