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STEP 9: Fix the PCB assembly to the drawbars and solder the DIL terminals.
Slide the boards slighly angled so the MicroUSB connector can easily pass 
through the hole in the metal panel.

STEP 10: Solder all drawbar terminals and the DIL strip.

Summary of Contents for D9U

Page 1: ...DRAWBAR CONTROLLER D9U An open source Do it yourself project based on Arduino MOUNTING INSTRUCTIONS...

Page 2: ...led PREPARATION Prepare a clean and tidy surface with just the required tools handy and make sure you have discharged your body from electrostatic charge by touching some metal object that makes conta...

Page 3: ...Electronic parts Mechanical parts...

Page 4: ...sistors bend the terminals 90 degrees and add them to the Main PCB as shown in the pictures below Also add the LEDs pay attention to the polarity and the posisions The shorter lead towards the edge of...

Page 5: ...and the mini TRS Jack STEP 3 turn the PCB upside down and add the 2x8 DIL strip as shown in the following picture Pay attention to have it set straight on the board or you ll have troubles when coupli...

Page 6: ...t exceed 350 C 660 F and don t keep the soldering pin on the terminals for too long The SIL strip must face the bottom of the board thus the pins will be soldered on the top side as shown in the pict...

Page 7: ...PU board the final assembly should look like the picture below Now take your cutters and cut the exceeding terminal strip leads on the JACK side as shown below Optionally you can also cut the exceedin...

Page 8: ...6 black screws must be set to the right side of the drawbar board as shown here below Then insert the spacers on the other side add the main board and fix the bolts using your fingers to hold the bolt...

Page 9: ...STEP 8 Use 18 out of the 22 M3X4 black screws to fix the drawbars to the metal bottom piece as shown in the picture sequence below...

Page 10: ...assembly to the drawbars and solder the DIL terminals Slide the boards slighly angled so the MicroUSB connector can easily pass through the hole in the metal panel STEP 10 Solder all drawbar terminals...

Page 11: ...astic drawbar caps First set them in position using the following color sequence BROWN BROWN WHITE WHITE BLACK WHITE BLACK BLACK WHITE Once done turn the whole assembly upside down and fix them using...

Page 12: ...2 Put the metal top cover In order to have the jack connector easily pass through the hole in the metal panel start from an angle from the connector s side Use the remaining 4 M3X4 screws to close the...

Page 13: ...DCs Sends MIDI CC numbers 12 20 or 21 29 according to selected mode Last update July 2018 This is where you can define your CC numbers for the Bank 0 or 1 int CCMap 2 9 12 13 14 15 16 17 18 19 20 Uppe...

Page 14: ...DoDrawbar int d int value Get difference from current and previous value int diff abs value prev_val d Exit this function if the new value is not within the deadband if diff DEADBAND return Store new...

Page 15: ...e the selected PORT points to Leonardo 3 Click the icon with the arrow pointing right this will compile the sketch and upload it to the board PLEASE NOTE once the sketch is properly uploaded to the bo...

Page 16: ...CC bank into the internal EEPROM The loop function cycles through the 9 ADCs by reading their current values and storing them into an array the same function also listens whether the push button has b...

Page 17: ...URL https www midi org articles old updated how to make your own 3 5mm mini stereo trs to midi 5 pin din cables The D9U uses TYPE B Use a 5V cellphone USB Charger PSU to power the D9U and use your ada...

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