USER MANUAL 1.41 - SparkFun Electronics
Contents
1. Each time the USB is plugged into the UMC it checks the state of the DIP pack to set each channel to analog or digital mode Channels that are left floating or in an undetermined state will generate noise unless that are pulled high or low with an external resistor Any channel that is set for analog mode must be connected to a source potentiometer or it must be connected to a 10K resistor that is connected to ground or 5 volts Double check the DIP switches to confirm that they are set correctly then restart the UMC plug the UMC into my USB port but it appears to be dead Disconnect the UMC from the USB bus immediately and check for any short circuits Reboot your computer and or power cycle your USB hub Make sure that the Shift pin P1 3 is not connected when connecting the USB cable as this will cause the unit to startup in the bootloader mode What to do when you receive an OS error about a surge of a USB device This generally happens when the user short circuits the 5V and power lines See Q3 for remedy When I turn a pot one way clockwise my application turns it another counter clockwise Swap the V and G lines on your potentiometer or perform a controller invert in your host software If disconnect the UMC while my host application is running then re connect again the host does not see the UMC In our testing Mac OS X had no problems with this Depending on the application under Windows XP you may need to re l2. AM 2007 2009 Hale Microsystems LLC http www halemicro com email support halemicro com Extended mode DIP Switch 10 ON Past UMC users should take note that the previous UMC32 datasheet did not specify the state at which DIP 10 should be set For users who are updating an existing device please ensure that DIP10 is in the OFF position prior to installing the 1 41 firmware This will guarantee continued operation of the new firmware with your existing setup For new projects DIP 10 offers a pathway to new features in the device to access these features simply place the DIP in the ON position Setting the DIP switched to combinations not listed below will cause the device to simply blink on and off Switch 1 a 1 2 3 4 5 6 7 8 9 10 Diagnostic Mode ON ON ON ON ON ON ON ON 32 Channel Output Only Mode OFF ON OFF ON OFF ON OFF ON OFF ON Even ch Digital w Odd ch LEDs OFF ON OFF ON JON ON ON ON Diagnostic Mode This is the test we use at the factory to make sure that the UMC s hardware 15 to specification To run this test you ll need to devise a way to connect channels 01 08 together 09 16 together 17 24 together and 25 32 together DO NOT connect anything to the 5V or Ground lines as they are not used here Now plug in the USB cable to the UMC to provide power The firmware will cycle thru and check each line to make sure that there isn t a defect with
3. the PCB If there is a problem with your hardware the LED will flash on and off at fast If the test was OK it will flash slower at around 12 second 32 Channel Output Only Mode In this mode all MIDI Note On Off data that is received by the UMC32 is converted into logic level signal on the UMC s outputs This is useful for connecting LED s transistors and relays For normal safe operation it is recommended that the per channel load current sourcing or sinking per be less than 10mA C2 Note 36 UMC Channel 01 C 2 Note 37 UMC Channel 02 RG Please note that in this mode the Shift Pin has no effect in this mode Even ch Digital w Odd ch LEDs In this mode all Odd UMC channels are configured as digital inputs while all even UMC channels are configured as digital outputs The even channels are for driving LED to help the user track the state of the corresponding digital input For instance press the switch that is connected to input 1 the note on message will be sent and the LED connected to channel 2 will turn on Release the switch to send the note off the LED will remain on Press the same switch again note on sent LED turns off Release the switch note off sent LED stays off The LED s will also update their on or off state according to the current shift mode Thus making the tracking of 64 on off states 1s possible To connect an LED to a UMC channel that is configured as an output you MUST have a resistor in series with th
4. 10 A 2 45 5 76 0 127 10 4 0 127 11 2 46 5 77 0 127 11 43 O 127 12 B 2 47 G 5 78 0 127 12 44 0 127 15 3 48 G 5 79 0 127 13 45 0 127 14 CH 3 49 5 80 0 127 14 46 127 15 D 3 50 Adi 5 81 0 127 15 47 O 127 16 D 3 51 B 5 82 0 127 16 48 0 127 17 E 3 52 C 6 83 0 127 17 49 O 127 18 F 3 GE 6 84 0 127 18 50 127 19 F 3 54 D 6 85 0 127 19 51 O 127 20 G 3 55 D 6 86 0 127 20 52 127 21 G2 3 56 E 6 87 0 127 21 53 O 127 22 A 3 57 F 6 88 0 127 22 54 127 23 3 58 F 6 89 0 127 23 55 O 127 24 B 3 59 G 6 90 0 127 24 56 0 127 25 C 4 60 G 6 91 0 127 25 5r O 127 26 CH 4 61 A 5 92 0 127 26 58 0 127 27 D 4 62 Adi 6 93 0 127 27 59 127 28 DZ 4 63 B 6 94 0 127 28 60 O 127 29 E 4 64 C 7 95 0 127 29 61 0 127 30 F 4 65 C 7 96 0 127 30 62 0 127 31 F 4 66 D T 97 0 127 31 63 127 G 4 67 D 7 98 0 127 an 64 127 http www halemicro com Standard Mode DIP Switch 10 Off DIP Switch Input Channel 1 2 3 1 2 3 4 5 6 7 8 OFF OFF OFF Analog Analog Analog Analog Analog Analog Analog OFF Analog Analog Analog Analog Analog Analog OFF Analog Analog Analog Analog Analog Di OFF Analog Analog Analog Analog DIP Switch Input Channel 4 5 9 10 11 12 13 14 15 16 OFF OFF Analog Analog Analog Analog Digital Digite Input Channel 20 21 22 Analog Analog Analog Analog Digi ji Input Channel 28 29 30 Analog Analog Analog Analog Digi PCB rev 1 amp 2 Firmware v1 41 Datasheet 01 31 2009 10 10
5. Driver Name As there are many implementations by host applications and operating system driver this is a full proof way of uniquely identifying each UMC that 15 connected to your system Indicator LED The indicator LED LED1 can be found next to the USB connector This LED provides information about the state of the UMC When connected your computer will recognize the UMC and load the class compliant USB MIDI class device driver that is provided by your operating system The LED will stay on until communication with your host application begins At this point the LED will flicker when MIDI traffic between the host application and the UMC Occurs Shift Pin Firmware Update When the Shift pin P1 3 pictured below 1s pulled to ground all MIDI note on off messages will be transposed by 32 notes Simply place a single pole single throw normally open SPST NO switch between P1 3 and ground The shift pin does not affect MIDI continuous controller CC data When the UMC is plugged into the USB port it first checks the state of the shift pin if 1t 15 pulled low your switch is being held then the UMC will enter bootloader mode and prepare to accept a firmware update Information regarding firmware updates will be made available on our website at http www halemicro com 009 Hale Microsystems L LC http Anww halemicro com email support halemicro com Precautions The UMC is designed to protect against short circuits over current con
6. I controller Features e Easy to implement with minimal effort and little or no electronics experience e 32 analog and or digital inputs provide MIDI note or continuous controller data to your host application e Small printed circuit board 1 6 x 2 7 allows creating portable end devices e No programming is necessary Onboard DIP switches allow simple configuration of MIDI note or controller data e USB bus powered A single USB cable handles power and data e Upgradeable firmware via Windows XP Vista bootloader utility e True plug and play USB MIDI class compliant drivers are provided by the operating system e Compatible with Mac OS X 10 5 x Leopard Mac OS X 10 4 x Tiger Windows Vista XP 2000 e 90 day limited warranty 30 day money back guarantee USA Only http www halemicro com Hardware Setup Before proceeding it is strongly recommended that you read and understand the precautions section of this manual Failure to observe the recommendations may void your warranty The UMC32 offers two operating modes analog and digital By setting the onboard DIP switch appropriately various control layouts can be achieved The UMC32 ships with the all DIP switches in the on position all inputs digital In order to change from the default setting please remove the protective tape if present It is important to note that all unused channels be set to digital mode factory default in order to suppress spurious controller
7. UMC32 HALE DIY 32 channel USB MIDI controller 4 e 1 USER MANUAL 1 41 PCB rev 1 amp 2 Firmware v1 41 Datasheet 01 31 2009 10 10 AM 2007 2009 Hale Microsystems LLC http Awww halemicro com email support halemicro com Table of Contents Fot 3 M F 4 Standard Mode DIP Switch 10 Off scsccsssccsssccscsscccessccsccccsccccsccscccescecescccscecsscesccescecececcscessecess 5 Extended mode DIP Switch 10 ON EEN 6 MIDI Channel Device Driver Identification cccceccsccecsccsccececceccececceccececceccececceccececceccececceccececcecs 7 MT use c M 7 Shift Pin 7 Firmware UB SEG ned nnn nn 7 EET xU TN 8 DE EE 9 MN 10 ere ea fs Bee eg aien NN 10 FP FN N d 11 ee ao E 11 rd jr 12 BE ER NE EN EE E 12 PCB rev 1 amp 2 Firmware v1 41 Datasheet 01 31 2009 10 10 AM 2 2007 2009 Hale Microsystems LLC http www halemicro com email support halemicro com Product Description The UMC32 is an OEM DIY product that allows Electronic Musicians Multimedia Artists and Experimenters the ability to create custom user interfaces to control any software application that supports the MIDI protocol The UMC32 provides the essential core microcontroller power supply USB functionality to allow the user to easily implement their choice of control elements example switches pots and or faders In short the UMC32 will allow you to build your own USB MID
8. aunch your host application How do I change the default MIDI output mapping Since the UMC will always be connected to a computer and since most modern MIDI host applications have a Learn function we felt that this option was unnecessary If customer feedback on this issue is strong we can provide a firmware update and or a utility http www halemicro com Limited Warranty Hale Microsystems LLC warrants this product to be free of manufacturing defects for a period of 90 days USA only If you feel that there is a defect with your device please email technical support with a detailed description of the problem support halemicro com In most cases we will issue a replacement Please note that the unit must be shipped back in its original packaging and be in original saleable condition We will not accept the return of any product that has been modified beyond factory condition Disclaimer Neither the whole nor any part of the information contained herein or the product described in this datasheet may be adapted or reproduced in any material or electronic form without the prior written consent of the copyright holder This product and its documentation are supplied on an as is basis and no warranty as to their suitability for any particular purpose is either made or implied Hale Microsystems LLC will not accept any claim for damages whatsoever arising as a result of use or failure of this product Your statutory rights are not affe
9. cted This product is not intended for use in any medical appliance device or system in which the failure of the product might reasonable be expected to result in personal injury This document provides preliminary information that may be subject to change without notice http www halemicro com 12
10. data be sent to your host application Analog Mode Channels that are configured as analog inputs are sampled and converted into MIDI continuous controller CC messages and sent to your host application Analog mode is usually the choice when connecting a potentiometer or fader For the sake of simplicity each input channel maps directly to its corresponding continuous controller CC number on MIDI channel 1 For example assume that input channel 1 on the UMC has a fader connected to it and is configured for analog input When the fader is changed it will output controller messages on CC 01 MIDI channel 1 Digital Mode Digital mode is usually selected to determine the state of a switch for triggering MIDI notes Channels that are configured for digital mode will output MIDI note data on channel 1 For example when a button is pressed then a note on message will be sent when the button is released a note off message will be sent MIDI Ouput Mapping Digital Input Configuration Analog Input Config Input Shift pin off Shift pin on Note value Shift off Shift on Channel Key Oct Key Oct Off On CC 8 CC 8 Min Max 01 C 2 36 G 4 67 0 ey 01 33 0 127 02 CH 2 37 A 4 68 0 27 02 34 0 127 03 D 2 38 Adi 4 69 127 03 35 127 04 DG 2 39 B 4 70 0 127 04 36 0 127 05 E 2 40 C 5 71 127 05 37 Cia ird 06 F 2 41 CH 5 72 127 06 38 O 127 o7 F 2 42 D go 0 T27 o7 39 0 127 08 G 2 43 D 5 74 0 127 08 40 0 127 09 GH 2 AA E 5 75 0 127 09 41 0 127
11. ditions transient voltages and electrostatic discharge However we ask that you observe some simple guidelines when working with the UMC Failure to do so may cause damage to your equipment and or void your product warranty O Do not solder any wires or attempt to make any modifications to the UMC directly Do not connect the V 5 Volts DC terminal to G Ground When this occurs it is commonly referred to as a short circuit Always unplug the USB cable from the device before modifying connections on the UMC As with all electronic devices observe proper ESD handling practices Always handle the printed circuit board PCB by the edges never touch the top or bottom Never allow the UMC to touch a wet or conductive surface Do not use any external voltage source to power devices that are connected to the UMC You may use the 5V and Ground to power other devices such as LED s however the maximum recommended load current per pin is 50mA As an additional precaution we strongly recommend using a powered USB hub when experimenting with the device Once you have finalized your project and are sure you do not have any short circuits then you may connect the UMC directly to your computer s USB input This is especially important when interfacing with a laptop as damage to your laptop could be substantial This product is offered to the end user in a non enclosed OEM form it is the responsibility of the end user of this p
12. e LED and the channel output It does not matter if the resistor 1s connected to the anode or cathode of the LED To find the correct resistance use the online calculator provided by Linear Electronics at http led linearl org lled wiz The source voltage parameter will be 5V the UMC s working voltage the diode forward current should be 8mA the diode forward voltage will depend on your LED Most red LED s are 1 8 2 2 volts See the datasheet of your LED to obtain forward voltage parameters http www halemicro com MIDI Channel Device Driver Identification All UMC32 s ship with a default of MIDI channel 1 Changing the MIDI channel is possible by running the firmware update utility and selecting the appropriate firmware For example you purchased 2 UMCs and want to connect them to the same PC Mac You decide that the first UMC 1s to be left at channel 1 while the second you want configured to output on channel 2 To do this you would first download the latest firmware from the Hale website The zip file will contain multiple firmware revisions with DLD extensions Next download and install the UMC32 s firmware update utility follow the directions provided by the utility and select the appropriate firmware In this case you would select umc32 v141 Dev02 dld This is the correct file for Device 2 Midi channel 02 Apart from changing the MIDI channel the firmware also contains a unique USB Product ID PID as well as a unique
13. n10 Channel 08 PIn09 Channel 07 Pin08 Channel 06 Pin07 Channel 05 Pin06 Channel 04 Pin05 Channel 03 Pin04 Channel 02 Pin03 Channel 01 Pin02 5 Volts DC Pin08 Channel 30 Pin09 Channel 31 Pintos Channel 32 e e L mods en Mechanical Specifications UMC32 R1 DIY USB MIDI Controller hitpz Zuuuhalemicra com Let et eet eege e LI Recommended mounting screws 4 40 Optional right angle bracket to mount UMC to sidewall of your enclosure is Keystone 621 Digikey com 621K ND Please note that an alternative method to mounting the UMC to your enclosure via screws and standoffs is to simply use double backed 3M VHB tape Be sure that everything is working correctly before affixing to chassis as any attempt to remove UMC affixed via from the chassis will place stress on the circuit board Regardless of the mounting method you choose please take care that the exposed solder joints on the bottom of the UMC do not make contact with your enclosure PCB rev 1 amp 2 Firmware v1 41 Datasheet 01 31 2009 10 10 AM 10 2007 2009 Hale Microsystems LLC http Awww halemicro com email support halemicro com Electrical Specifications Exceeding the absolute maximum ratings below may cause permanent damage to the device e Storage temperature 20 C to 70 C e Operating temperature 0 C to 50 C e Operating voltage power supplied via USB bus 5 4 Volts DC ma
14. roduct to ensure that they comply with local regulations pertaining to unintentional radio frequency emissions n the United States this pertains to FCC rules and regulations Part 15 oection B http www halemicro com Example Connections Although there are a seemingly infinite number of types of control elements potentiometers switches etc that you can connect to the UMC here are a few examples of how to connect the most common types 8 Eh Switch 2 Pot 4 Pot 6 0 1 uF 8 h E L E cl Z E All pots are ohm linear 1 4 watt All 5 lines are tied together all ground lines are tied together 0 1uF capacitors shown are optional All switches are SPST normally open PCB rev 1 amp 2 Firmware v1 41 Datasheet 01 31 2009 10 10 AM 9 2007 2009 Hale Microsystems LLC http www halemicro com email support halemicro com Pin Diagram mila pa Soks DC Pin03 Channel 17 Pin04 Channel 18 Pin05 Channel 19 Pin06 Channel 20 Pin07 Channel 21 Pin08 Channel 22 Pin09 Channel 23 PindO Channel 24 CH PITT ZS elit DC Pin03 Channel 25 Pin04 Channel 26 Pin05 Channel 27 Pin06 Channel 28 Pin07 Channel 29 Pin08 Channel 14 Pin07 Channel 13 Pin06 Channel 12 Pin05 Channel 11 Pin04 Channel 10 Pin03 Channel 09 Pin02 5 Volts DC Pin01 Ground Pi
15. x e Max recommended current per channel amA e Maximum device current 200mA R1 amp R2 PCB s with a C PTC e Maximum device current 250mA R1 amp R2 PCB s with a D PTC e Maximum device current 500mA R2 PCB s with a marked PTC Check the component marking for PTC1 Troubleshooting Here is a list of common questions we anticipate you may run into We will periodically add to this as new questions arise Q1 Q2 Q3 Q3 Q4 Q5 Q6 Q7 A few pots are generating data even though I m not moving them Verify that the pots are clean CAIG Labs DeoxIT 05 works very well If you have long wires consider making them shorter Generally speaking you should try to keep wire lengths as short as possible You might also try placing a 0 1uF capacitor across the power and ground inputs of your potentiometer or fader Example Digikey com BC1084CT ND Adjacent channels appear to affect one another Check the resistance with your multi meter between the signal inputs of each channel It should read at least 1 Mega ohm Also verify that your DIP switch pack is set correctly Channels with switches attached to them should be set for digital Channels with fader or rotary potentiometers should be set for analog mode All unconnected channels should be set for digital mode My MIDI application is seeing a lot of spurious controller data from the UMC I do not have any control elements connected to those channels
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