VT100 ASCII Terminal with RS232 Rev. 1.4
author: Barbouri
2 layer board of 3.95 x 2.00 inches (100.3 x 50.8 mm)
Uploaded:
October 29, 2021
Shared:
March 24, 2022
Total Price:
$39.50
Based on Geoff’s and Peter Hizalev’s ASCII VT100 Video Terminal with modifications for 3 volt RS232 driver, 5 volt TTL level shifting with enable / disable jumper, 100% updated component placement and routing, USB PTC fuse and noise filter, USB differential impedance matching, additional bypass capacitors, updated component values for proper levels, and HSYNC / VSYNC resistors to prevent ringing. Corrected pinout for PIC-ICSP, DC input changed from header to barrel jack, changed PS2 keyboard footprint. Hardware Version 1.4, and works with Firmware Version 3.0.4
https://www.barbouri.com/2022/03/24/updated-pic32-based-vt100-ascii-video-terminal/
Based on Geoff’s and Peter Hizalev’s ASCII VT100 Video Terminal with modifications for 3 volt RS232 driver, 5 volt TTL level shifting with enable / disable jumper, 100% updated component placement and routing, USB PTC fuse and noise filter, USB differential impedance matching, additional bypass capacitors, updated component values for proper levels, and HSYNC / VSYNC resistors to prevent ringing. Corrected pinout for PIC-ICSP, DC input changed from header to barrel jack, changed PS2 keyboard footprint. Hardware Version 1.4, and works with Firmware Version 3.0.4
https://www.barbouri.com/2022/03/24/updated-pic32-based-vt100-ascii-video-terminal/