How to make a USB Bluetooth interface for LPG installation for 5$ ?! STAG LPGTECH KME LANDI RENZO

Aliexpress LIST / LINKS TO THE PARTS NEEDED TO BUILD THE BLUETOOTH LPG INTERFACE:
Good HC-06 Bluetooth module (the poorer BT is JDY-30 JDY-31 - HC-05?): Https://bit.ly/3D0DIb9
USB TTL UART converter FTDI: bit.ly/3Vw3kUv
SUPERSEAL sockets: bit.ly/3TlTpis
Voltage stabilizer 7805: bit.ly/3gbFa1f
Connecting cables DUPONT (female-female): bit.ly/3S5zinR
Resistors 10kOhm and 20kOhm or 1kOhm and 2kOhm + 2x 100nF capacitors and optionally I added 2x 100uF 25V at the input and output of the L7805CV system
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Program for PC: YAT - Yet Another Terminal
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System documentation from Banggood.com JDY-31 Bluetooth Module:
myosuploads3.ba...
BAUD Param: (4 - 9)
4 ： 9600
5 ： 19200
6 ： 38400
7 ： 57600
8 ： 115200
9 ： 128,000
COMMAND LIST:
1. AT + VERSION - version number JDY-31-V1.2
2. AT + RESET - Soft reset
3. AT + DISC - Disconnected (valid in connection state)
4. AT + LADDR - Query the module's MAC address
5. AT + PIN - Connection password settings and queries 1234
6. AT + BAUD - Baud rate setting and query 9600
7. AT + NAME - Broadcast name setting and query JDY-31-SPP
8. AT + DEFAULT - reset
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Link to the topic on the LPG forum www.lpg-forum.pl:
lpg-forum.pl/i...
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Mini sec
SECeco - Baud rate set is 57600
StopBits: 1 stop bit, Parity: No parity, WordLength: 8
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Old (OLD) STAG and KME - Baud rate set to 9600
New (NEW) STAG (GoFast, QBOX, QNEXT, QMAX / Q-BOX, Q-NEXT, Q-MAX) - Baud rate set to 57600
StopBits: 1 stop bit, Parity: No parity, WordLength: 8
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Landi Renzo-
The baud rate set is 9600
StopBits: 1 stop bit, Parity: No parity, WordLength: 8
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LpgTech - Baud rate set is 19200
StopBits: 1 stop bit, Parity: Odd parity, WordLength: 8 (AT + UARTMODE = 0,1)
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Autronic - Baud rate set is 9600
StopBits: 1 stop bit, Parity: No parity, WordLength: 8
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Dtgas -Baud rate set is 9600
StopBits: 1 stop bit, Parity: No parity, WordLength: 8
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OMVL AEB - Baud rate set is 9600
StopBits: 1 stop bit, Parity: No parity, WordLength: 8
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ESGI - Baud rate set to 9600
StopBits: 1 stop bit, Parity: No parity, WordLength: 8
The baud rate set is 7200
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Beloved, the film is awaited by some today about how to make a Bluetooth interface for diagnostics and adjustment of LPG gas installations!
Let's admit that it's a light "special" for 20,000 subscriptions :) (it was supposed to be something else today, but I had a few topics: /).
Continuing the good series of LPG series, I decided that I would make a film about this interface - of course, something must have spilled out, that the systems do not work with LPGTECH, here one system was wrong in a bag of 30 LM7805 pieces, the new Andonstar AD409 microscope did not record sound (even with an external microphone), and finally the quality of the recording from the laptop is tragic ...
After all, I give links to www.lpg-forum.pl where it describes exactly what to do with the commands and there are diagrams, data, discussion, etc. - I hope that who will be able to handle this simple project :)
I hope that this interface will replace the USB cable for someone :) - You can also conveniently download the application for a laptop (it supports the same application as OPTO USB cables) / phone / tablet / smartphone and make a quick diagnosis on the road, or even have a preview on the engine MAP when the engine has no MAP and has MAF - also, we are able to extend our pure mechanics diagnostic capabilities!
It started in 2019 - is today's movie enough? I hope!
And whoever reads to the end, write in the comment: "art up to three times :)"
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10/15/2022
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