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GLITCH-Software

How to Build a Telemetry & Telecommand System with W5500 on ESP32

TheoIm

Published April 02, 2026

Original author: SebastianMagnusson · SwedenOriginal source (new tab)

GLITCH-Software

Components

Hardware components

WIZnet parts

Project description

What the Project Does Think of this system as a miniature satellite communication stack on the ground. The FPGA acts like a payload instrument, continuously generating experiment data The ESP32 behaves as a communication module, translating raw data into structured packets The Ground Station is the control center, visualizing data and issuing commands The full system forms a closed-loop pipeline: Data Generation (FPGA) Sensor data, GNSS info, and SRAM bit-flip results are packaged into telemetry frames Data Bridging (ESP32) UART receives raw byte streams Packets are validated (length + CRC)…

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