esp32-w5500-ethercat-slave
A from-scratch software EtherCAT slave running on an ESP32-WROOM-32 with a WIZnet W5500 Ethernet controller over SPI.
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Project description
A Software EtherCAT Slave on a $5 ESP32 — Spoken Fluently to a Real Beckhoff TwinCAT 3 Master, Over a W5500 in MACRAW #EtherCAT #IndustrialFieldbus #TwinCAT3 #SoftwareESC #MACRAW #ESP32 #FactoryAutomation #FMMU #ProofOfConcept #PromiscuousCapture 📚 Hobby / educational proof-of-concept — independent implementation, verified against a real Beckhoff TwinCAT 3 master ✅ Verified: device enumerates in TwinCAT as ESP32-DO8, climbs INIT → PreOp → SafeOp → OP, Working Counter valid, 8 GPIO outputs driven live from the master 01 — What is this project? EtherCAT is the high-speed fieldbus that runs a…
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