Hi. I'm trying to build a MIDI Controller using an Arduino to my PSR E203. In the manual is indicated that is it possible to send and receive MIDI information through the MIDI OUT/MIDI IN. I connected a MIDI cable in the MIDI IN from the keyboard and to my Arduino circuitry and tried to send MIDI messages (note on/note off), expecting that the internal tone generator is able to reproduce them. But I didn't succeed.
When I connect the cable to MIDI OUT, I'm able to read the MIDI data sent from the keyboard when a key is pressed.
The "Local" is ON and "ExtClock" is OFF. I'm trying to send the following MIDI messages: 0x90, 0x3C, 0x50 (note on) and after a delay (500ms) I send 0x90, 0x3C, 0x00 (note off).
Is there any kind of setup message to send to the keyboard? Is it really possible to reproduce songs in this E203 using the MIDI IN?
The Arduino circuitry is attached. To receive MIDI data from the keyboard, I connected pin 5 to RX, and to transmit MIDI data to the keyboard I connect pin 5 to TX. The baud rate is 31250.
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