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ardu-switch_2_485.zip (1.7 kB)
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| Name | Modified | Size | Downloads / Week |
|---|---|---|---|
| ardu-switch_2_485.zip | 2025-09-04 | 1.7 kB | |
| ARDU-switch_2_schematics.png | 2025-09-04 | 35.3 kB | |
| README.md | 2025-09-04 | 1.0 kB | |
| ardu-switch_2.ZIP | 2025-09-01 | 1.5 kB | |
| Nano_mod.PNG | 2022-10-23 | 1.4 MB | |
| ARDU_switch_.png | 2022-10-23 | 9.5 kB | |
| Totals: 6 Items | 1.4 MB | 4 |
ARDU-switch
Key features:
- Drive switches over USB / RS485 serial link ( two different versions )
- 4 channels ( with little mods it's possible add more )
- accepts multiple command at once
Commands examples
- A1 enable port A (port names: A / B / C / D )
- A0 disable port A
- *1 enable all channels
- *0 disable all channels
- ?? read ports status
- XX pause 500 msec between commands
- multiple commands on same line "A1C0XXC1??" --> "enable A, disable C, pause 500msec, enable C, read status"
- all comnmands are terminated by NL / CR
Prerequisites:
- To avoid "autoreset" of NANO, for correct board operations, it's mandatory to remove the capacitor shown in the image.
You will always be able to reprogram the processor by pressing the little RESET button, before loading the sketch
- Without this modification, commands will not be executed and the board will reset on each command sent over serial
Issues
- None, but just in case, email to i3vfj {at} i3vfj.net