OBD II USB adapter to Bluetooth adapter hack. Hi. Yes, I was pretty busy or lazy to write something. There was not interesting projects. The last one was a battery backup switcher, it switches power source to battery when mains go down. Arduino Low Power How To Run ATmega328P For a Year On Coin Cell Battery. Order by calling 15629499860. MonFri 900AM 400PM PST. Pokemon Ash Gray Orange Islands Update Download. Weitere Artikel wie dieser CH341A Serien SPI Flasher USB Programmer 24 25 EEPROM BIOS Writer USB zu TTL. Topwin 2008 universal programmer pic,8051,avr,usb programmer,development boards alselectro. Based on relay and transistor. Today project is not a big deal too I have a cheapo OBD II USB adapter and serial bluetooth module. As bluetooth module was not used anywhere for a long time I decided to hack OBD II USB adapter and make it Bluetooth instead of USB. Yea I know I can buy a cheap Bluetooth OBD II adapter, but I like DIY. How To Activate Adobe Indesign Cc Torrent. So I opened the box and found PIC1. F4 mcu inside and FTDI2. FTDIgate wasnt great for anybody, and now with hardware hobbyists and technological tinkerers moving away from the most popular USB to serial adapter. Laserdisc Game Emulator on this page. RL UART to USB serial converter. Then I desoldered FTDI chip with usb crystal. My bluetooth serial module needs 3. I had to add 3. 3v regulator with couple of capacitors took 5v from 7. M0. 5 voltage regulator on pcb. OBD II box has 5 leds indicating rxtx from car and serial and power status, BT serial module can indicate its status with led too, so I drilled a little hole in the box top right under sticker and glued the led with hot glue. We dont sell the cable with the GT511C3 fingerprint scanner httpswww. You would need to get the 4 wire JST SH jumper cable. Shop from the worlds largest selection and best deals for Other Gadgets Electronics. Shop with confidence on eBay I want to display text in c textbox CLEARED to lcd via pic18f452. C. For serial transmission i am using a cp2120 usbttl module. Hmmm well i use a usb to serial adapter to hook up to serial port of the hard drive everythings set up and i opened hyperterminal and choose com port and made. So I opened the box and found PIC18F4 mcu inside and FTDI232RL UART to USB serial converter. Cp2102 Usb To Ttl Serial Uart Converter Cable' title='Cp2102 Usb To Ttl Serial Uart Converter Cable' />When I finally soldered this mess o wires to adapter pcb in place of FTDI chip I found that is does not work, not receiving or sending any data, but bluetooth pairing works and BT status led works as it should. Took a bit of time to solder FTDI chip and crystal back for debug. Find out that it works as USB ok but not bluetooth. Then I take a look where tx and rx connects to PIC mcu and you probably guess already, I connected BT module tx to PIC tx and thats wrong Changed wires and soldered them right to the PIC mcu legs, that works. Time run away and I leave FTDI chip on pcb. Thats it, works great with my Android phone even better than windows scanner apps under wine in Ubuntu.