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electronic:ttl:start [2026/09/26 10:28] – tonyelectronic:ttl:start [2026/09/26 20:58] (current) – tony
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 Early microcomputers used CRT displays driven by TTL level control signals. There was monochrome TTL, monochrome Hercules TTL (different sync frequencies, with bit mapped graphics), and CGA/EGA compatible TTL. Early microcomputers used CRT displays driven by TTL level control signals. There was monochrome TTL, monochrome Hercules TTL (different sync frequencies, with bit mapped graphics), and CGA/EGA compatible TTL.
  
-====== TTL from VGA Port ======+===== TTL from VGA Port =====
 Driving TTL from VGA from a RaspberryPi 3 (( [[https://www.reddit.com/r/retrobattlestations/comments/5jslch/raspberry_pi_running_ibm5151_monitor_via_hdmivga/]])): Driving TTL from VGA from a RaspberryPi 3 (( [[https://www.reddit.com/r/retrobattlestations/comments/5jslch/raspberry_pi_running_ibm5151_monitor_via_hdmivga/]])):
  
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 ===== Hardware description ===== ===== Hardware description =====
 +\\
  
 ====== References and Additional Resources ====== ====== References and Additional Resources ======

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electronic/ttl/start.txt · Last modified: 2026/09/26 20:58 by tony
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