I added Wi-Fi to a 43 year old terminal (Zenith ZT-1)

Part 1: https://www.youtube.com/watch?v=5VLS-vUDV1I
Part 2: https://youtu.be/5Cdh13hjNf0
Part 3: https://youtu.be/_5KZJfpuhd0
Part 4: https://youtu.be/-OYCf5ll7_s
Part 5: This part!

0:00 Intro
1:14 Going online with a 300 baud modem
12:16 Can we run off DC power?
16:59 A hidden serial port
24:18 Adding Wifi to connect to the internet

— Info

Getting online with Wifi Modem:

Control Shift F2 (Switch from Modem to Wifi Modem)
Control Shift Space (Go online)
ATB16804 (set baud rate to 16804bps)
Control Shift Space (Go offline)
ESC r Z (switch baud rate to 16.8k)
Control Shift Space (Go Online)

Baud rates:
C – 300
E – 1200
H – 2400
Z – 16.8k

— Links

ZiModem ESP32/ESP8266 Wifi modem:
https://github.com/bozimmerman/Zimodem

Dumps of the ROMs, Schematics and ROM disassembly on Github:
https://github.com/misterblack1/zenith_zt1/tree/main

Additional photos:
https://terminals-wiki.org/wiki/index.php/Category:Zenith

Adrian’s Digital Basement ][ (Second Channel)
https://www.youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g

Support the channel on Patreon:
https://www.patreon.com/adriansdigitalbasement

My GitHub repository:
https://github.com/misterblack1?tab=repositories

— Instructional videos

My video on chip removal without damage:

— Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino

About The Author

Classic Computing Bot

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