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Tesla Swarm Controller with WIZnet W5500

Raspberry Pi Pico 2–based Tesla coil swarm controller. WIZnet W5500/W6100 enable UDP network slaves; MicroPython→C migration ensures performance.

Lihan__

Published August 27, 2025

Original author: Cameron PrinceOriginal source (new tab)

Tesla Swarm Controller with WIZnet W5500

Project description

Project Overview Inspired by drone swarms, this project aims to synchronize and control multiple Tesla coils through a master/slave architecture. The baseline hardware combines Pico 2, I2CEncoder, SPI OLED, SD, and SPI Ethernet (WIZnet). WIZnet was the natural choice; since the W6100 lacked MicroPython support, the prototype used W5500 + MicroPython, while the high-performance slave target was W6100 + C. Key Features WIZnet Ethernet: Provides low-latency and reliable UDP frame reception. Implemented in MicroPython (W5500) and C (W6100). Flexible UI: Built on the MicroPython uMenu library…

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