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Gear / Technical Help => Recording Gear => Topic started by: Smaug on February 02, 2014, 10:06:18 AM
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I wanted to automate recording (with PC, arduino, maybe even a mobile) of my DR-40 which accepts a wired remote control, but I could not find the bitstream data for the buttons of either the RC-10 or the pedal remote.
It seems fairly easy to do since the signal is available on the 2.5mm TRS Plug（Tip：SIGNAL, Ring：DC3.3V, Sleeve：GND）but I don't have a real remote to measure.
I don't own one because i don't need it as a regular finger pressed remote and $40 is too expensive for this one time experiment.
Can anyone record the signal as an audio wave?
Or, better, measure it with a scope to tell if the signal still has some carrier, what frequency it is (455kHz, 38 Khz ?), and spare me the guessing work?
I hope this "soft hacking" doesn't offend the forum rules ;)
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I wanted to automate recording (with PC, arduino, maybe even a mobile) of my DR-40 which accepts a wired remote control, but I could not find the bitstream data for the buttons of either the RC-10 or the pedal remote.
It seems fairly easy to do since the signal is available on the 2.5mm TRS Plug（Tip：SIGNAL, Ring：DC3.3V, Sleeve：GND）but I don't have a real remote to measure.
I don't own one because i don't need it as a regular finger pressed remote and $40 is too expensive for this one time experiment.
Can anyone record the signal as an audio wave?
Or, better, measure it with a scope to tell if the signal still has some carrier, what frequency it is (455kHz, 38 Khz ?), and spare me the guessing work?
I hope this "soft hacking" doesn't offend the forum rules ;)
It may be just a 'Resistive' type of remote control, many wired controls seem to be.
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It may be just a 'Resistive' type of remote control, many wired controls seem to be.
The remote has several buttons and can work wirelessly (undocked, only with DR100), which requires pulsed operation.
I doubt the electrical signal can be that simple.
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You can find some info on the RC-10 (DR-40 remote controller) communication protocol here...
https://www.ghielectronics.com/community/codeshare/entry/1062