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Reporting success with GRiDcase and some suggestions #158
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Yea, that's always a problem with the ESPs -- the low ram. I wrung my hands for the longest over even adding the SSH client, but it was just so damn useful, and eventually we upgraded to one of the latest ESP32 chips with enough ram to indulge it. Your idea is absolutely fantastic. I have old PCs myself that could benefit from this. |
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I have experimented a little and figured out how to connect Zimodem to GRiDcase internally.
Here is a writeup and information https://forum.vcfed.org/index.php?threads/gridcase-internal-modem-connector.1252267/
These laptops have internal modem port, the original modem (1200 and 2400 baud) is a bit obsolete nowadays so zimodem is a great upgrade.
I used Arduino 1.8.19 and espressif libs 2.0.7 as recommended. The newest one do not work because of missing defines.
I had an idea, but it may be hard to implement. There is a package Bluepad32 that allows connecting HID devices to ESP32, With that one could pair a mouse to ESP32 and it would be pretty easy to add mouse emulation to ZiModem. Unfortunatlely after adding Bluepad32 both code and data exceed available memory on ESP32. Maybe there are other options? I think it would be cool to add mouse emulation for old PCs.
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