https://sudonull.com/zx-spectrum-controls-lunar-landing-in-ksp
Learn how ZX Spectrum with Z80A and kRPC implemented landing in Kerbal Space Program. Technical details of emulation, RS232 and comparison with AGC. For developers.
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In this project
https://sudonull.com/reversing-bcd4-queue-display-protocol
Analysis of BCD4 encoding and carry-checksum in the electronic queue display protocol. Python code, packet structure, web integration. For developers.
https://sudonull.com/hdmi-matrix-in-home-assistant-rs-232-integration
Set up TV source switching between rooms via Home Assistant and 4×4 HDMI matrix. Step-by-step code for Coordinator, media_player entity, protocol. For middle/senior dev. Install in 13 min.
From the web
May 1, 2020 ·
https://circuitdigest.com/article/rs232-serial-communication-protocol-basics-specifications
May 1, 2020 · Complete RS232 serial communication guide covering protocol basics, DB9 pinout, voltage levels, applications, and troubleshooting. Updated for 2025 with practical examples.
May 25, 2024 ·
https://www.electronicshub.org/rs232-protocol-basics/
May 25, 2024 · Confused by RS232? Learn the basics of this serial communication protocol ! Explore how it works, its uses, and why it's still relevant today. Understand data transmission & applications for beginners.
Sep 19, 2017 ·
https://www.codrey.com/embedded-systems/rs232-serial-communication/
Sep 19, 2017 · RS232 describes the common voltage levels, electrical standards, operation mode and number of bits to be transferred from DTE to DCE. This standard is used for transmission of information exchange over the telephone lines.
Mar 29, 2001 ·
https://www.analog.com/en/resources/technical-articles/fundamentals-of-rs232-serial-communications.html
Mar 29, 2001 · Unlike many standards which simply specify the electrical characteristics of a given interface, RS - 232 specifies electrical, functional, and mechanical characteristics to meet the above three criteria. Each of these aspects of the RS - 232 standard is discussed below.
Feb 27, 2026 ·
https://readytogocables.com/blog/rs232-serial-port-7-facts-you-need-to-know-before-using/
Feb 27, 2026 · The RS232 serial port standard is a widely used protocol that facilitates serial communication between devices. It outlines the electrical characteristics and physical wiring needed for the data exchange.
Searches related to rs232
https://www.analog.com/media/en/technical-documentation/product-selector-card/rs232%20quick%20guide.pdf
RS232 conveys data over a simple unterminated, multiconductor cable at rates up to 20kB. The RS232 standard specifies the electrical characteristics and connector for an all encompassing point-to-point modem interface.
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