Matrix Ctrlr extension

matrix_ctrlr_logo_nb

Matrix Ctrlr extension :

matrix_ctrlr_extension_a

 

matrix_ctrlr_extension_b

The extension is an optional PCB that copies Midi and Power Supply connectors of the Matrix Ctrlr mainboard on a DIL-20 header connector.

 

 

matrix_ctrlr_extension_dThe idea is to use the Matrix Ctrlr extension in your rack to connect all the midi and power supply cables to your synths and use a 20 wires ribbon flat cable or a DB25 cable to connect to the Matrix Ctrlr device via the extension port on the main board. This way, the Matrix Ctrlr lays on your desktop without a lot of cables, but just one !

 

Matrix Ctrlr Extension schematic 1.1 (blue edition) :

Matrix_Ctrlr_extension_sch_v1.1

matrix_ctrlr_ext_real_pcb

 

 

 

 

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arduino Mega pin tester application

A short application to test your arduino mega and detect if there are very thin short or cold solder joints between the pins/connectors. Useful if your buttons are not detected for example (we had a defective board with a short between pin 10 and 11, disabling SRIO function scanning the buttons).

Simply upload the sketch and then with a single wire you can monitor through Serial at 115200 bauds that the pin is good : pin 13 is the output pin alternating a state 1/0 while Serial indicates if the tested pin is working. All pins are tested so you can pass from one pin to another with the monitor window opened without rebooting, simply by moving the wire.

pin10 is tested on the picture below :

 

Increase the delay(5) to delay(150) to see the source output pin blinking. Sketch to download :

testeur_Mega_one_wire_v2

 

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