W5500 and ESP-NOW Moto Gymkhana Timer: One Trigger, Two Paths
MGTS sends each photoelectric START and STOP event over ESP-NOW and W5500 UDP, then applies shared duplicate guards in an ESP32-C6 timing core.
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Components
Hardware components
WIZnet - W5500
x 3
One module on the main display and one on each of the two sensor nodes in the core BOM
Project description
📌 Overview A START command is only five letters, but a timing system has to treat it with unusual care. If the command never arrives, the run has no valid beginning. If two copies are counted as two events, the timing state can be corrupted. Adding a second network path therefore solves only half of the problem. The receiver also needs to recognize that two packets may represent one physical trigger. MGTS, the Moto Gymkhana Timing System, is GitHub developer uspat1234-bit's evolving answer to that problem. Its current development branch combines XIAO ESP32-C6 boards, Omron photoelectric…
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