Firmware request : MESA 7I76EU + 7I85 + PWM & IOport
- dedlefou
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02 May 2026 10:47 - 02 May 2026 13:13 #346096
by dedlefou
Firmware request : MESA 7I76EU + 7I85 + PWM & IOport was created by dedlefou
Hi Peter,
I need custom firmware for my amazing 7i76EU with:
- 7i76 daughter for router 5 axes + 0-10V vfd (currently working with 7i76eu_7i76x1_7i85sx1d.bin)
- 7i85 (1 serial, 2 encoder, 4 stepgen) on P1 (currently working with 7i76eu_7i76x1_7i85sx1d.bin)
- 1 or 2 PWM generator on P3 for 20kHz laser control and idealy the rest as I/O port
Can you create such firmware combining all these ? Do you need more info ?
Board IP: 192.168.1.121
Thanks!
I need custom firmware for my amazing 7i76EU with:
- 7i76 daughter for router 5 axes + 0-10V vfd (currently working with 7i76eu_7i76x1_7i85sx1d.bin)
- 7i85 (1 serial, 2 encoder, 4 stepgen) on P1 (currently working with 7i76eu_7i76x1_7i85sx1d.bin)
- 1 or 2 PWM generator on P3 for 20kHz laser control and idealy the rest as I/O port
Can you create such firmware combining all these ? Do you need more info ?
Board IP: 192.168.1.121
Thanks!
Last edit: 02 May 2026 13:13 by dedlefou.
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02 May 2026 15:41 #346099
by dedlefou
Replied by dedlefou on topic Firmware request : MESA 7I76EU + 7I85 + PWM & IOport
ok I found this firmware corresponding to my card 7I85
forum.linuxcnc.org/27-driver-boards/5823...76eu-7i85-pwm#341493
I should buy the 7I85S
forum.linuxcnc.org/27-driver-boards/5823...76eu-7i85-pwm#341493
I should buy the 7I85S
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- PCW
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02 May 2026 16:34 - 02 May 2026 16:37 #346101
by PCW
Replied by PCW on topic Firmware request : MESA 7I76EU + 7I85 + PWM & IOport
I'm not clear on what daughter card
you have: 7I85 or 7I85S ?
I can make firmware for either.
you have: 7I85 or 7I85S ?
I can make firmware for either.
Last edit: 02 May 2026 16:37 by PCW.
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02 May 2026 17:12 #346102
by dedlefou
Replied by dedlefou on topic Firmware request : MESA 7I76EU + 7I85 + PWM & IOport
I got the 7I85 
But I had to buy the S version... My mistake
I'll be fine if the P3 with 1 or 2 pwm and all the others P3 ports as IO if possible ?
But I had to buy the S version... My mistake
I'll be fine if the P3 with 1 or 2 pwm and all the others P3 ports as IO if possible ?
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02 May 2026 17:28 #346104
by PCW
Replied by PCW on topic Firmware request : MESA 7I76EU + 7I85 + PWM & IOport
So 7I76EU firmware for a 7I85 on P2 and 2 PWMgens on P3 is what you want?
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02 May 2026 17:36 #346105
by dedlefou
Replied by dedlefou on topic Firmware request : MESA 7I76EU + 7I85 + PWM & IOport
yes exactly please
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02 May 2026 19:15 #346110
by PCW
Replied by PCW on topic Firmware request : MESA 7I76EU + 7I85 + PWM & IOport
Firmware for a 7I76EU with a 7I85 on P2 and 2 PWMgens on P3
Note that since P3 pins are unbuffered/unprotected it's best to add
a say 100 to 220 Ohm series resistor to pins connected to the rest of the system
(or use a cheap parallel port breakout card)
Note that since P3 pins are unbuffered/unprotected it's best to add
a say 100 to 220 Ohm series resistor to pins connected to the rest of the system
(or use a cheap parallel port breakout card)
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