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| Interface to get/send data from devices into the PC http://forums.osdever.net/viewtopic.php?f=7&t=3413 |
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| Author: | ~ [ Thu Oct 31, 2019 11:24 pm ] |
| Post subject: | Interface to get/send data from devices into the PC |
I'm thinking that I could disassemble things like keyboards, mice, wireless toys, and instead of keys or motors that move wheels or other mechanisms, use each action as a value to send or receive data. Probably even each channel (Left/Right) of normal headphones and microphones could be amplified to signal 1's and 0's. Also probably photocells can be placed as an array in the screen while driving an input/output program, apart enough as to detect if the region that corresponds to it is bright or dark, amplify enough, and use the screen as a means of sending data to external devices. The first intention is building an automated interface for driving the address lines of old serial 2, 4, 8KB or so ROMS to read back the 8 bits of data that they return. So instead of moving address switches manually and writing down the result bytes from LEDs at each location, we will do the same automatically driving the mentioned devices with software and hardware that turns those outputs from the PC to 1's or 0's to establish the state, and probably the typed characters from the disassembled keyboard (by the device) to be used for the returned data with a text editor or key logger focused to capture the data automatically. |
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