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Re: Bluetooth SPP-C serial module- Hack to 5 - 16V VCC

2021-10-30T08:50:40

you have PM ..

Statistics: Posted by JRD McLAREN — Sat Oct 30, 2021 8:50 am

Re: Bluetooth SPP-C serial module- Hack to 5 - 16V VCC

2021-10-30T01:33:46

Hey JRD would you be interested in building me a few of these. I can desolder but would have trouble soldering the cap.

Statistics: Posted by Lambo97 — Sat Oct 30, 2021 1:33 am

Re: Bluetooth SPP-C serial module- Hack to 5 - 16V VCC

2021-04-27T22:38:02

Please attach images to your post.

I am not willing to take a risk of the magic IP address going down.

Statistics: Posted by AndreyB — Tue Apr 27, 2021 10:38 pm

Re: Bluetooth SPP-C serial module- Hack to 5 - 16V VCC

2021-04-27T22:31:45

it is Google Chorme or Chromium browser problem ...
(so .. wait for edit)

EDETED: .. edited ..

Statistics: Posted by JRD McLAREN — Tue Apr 27, 2021 10:31 pm

Re: Bluetooth SPP-C serial module- Hack to 5 - 16V VCC

2021-04-27T22:29:59

Forum posts hosting images external hosting especially just an IP address are not reliable

Please edit

image.png

Statistics: Posted by AndreyB — Tue Apr 27, 2021 10:29 pm

Bluetooth SPP-C serial module- Hack to 5 - 16V VCC

2021-05-04T19:38:54

If anybody need to use BT Serial module in your car, without "base board"
here is a short guide

Ebay gives this modules based on BK3231S chip
(with 5 pins)

DSCN5426.JPG

We need to remove one R0 rezistor

DSCN5445.JPG

DSCN5434.JPG

Solder 1uF cap SMD 0402

DSCN5436.JPG

Then solder any kind of LDO stabilizer in SOT23. (AP2210N-3.3TRG1 or MCP1754ST-3302E/CB or XC6206 3.3V)

DSCN5439.JPG

...repeat it ...

DSCN5441.JPG

...and that's all FOLKS ......

Stabilizer MCP1754ST-3302E can handle 16V input ... ideal for automotive use ...

Statistics: Posted by JRD McLAREN — Tue Apr 27, 2021 10:25 pm