TAG

Hardware

  • ESP32 combat robot controller (V2)

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    Hardware revision In 1lb and 3lb combat robotics, every gram counts, so I prefer to build custom control boards to minimize weight. However, designing a new board for each robot became tedious, especially when most share the same fundamental requirements: receiving commands from a handheld controller and driving motors—both for movement and a high-current ESC/BLDC…

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  • Universal ESP32-C3 Combat Robot Controller (V1)

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    Hardware revision · V1 retrospective A universal, weight-conscious ESP32-C3 control board for 1lb and 3lb combat robots — BLE-linked to an Xbox gamepad, with brushed motor H-bridges and high-current outputs for ESCs and weapons. Version 1 was the first attempt; this post documents what worked, what didn’t, and why the next revision took the shape…

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  • Flash Controller

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    Quick note An Upwork client engagement — a custom controller board built around timing-critical flash sequencing, with the bench work done over a few weeks in May and June 2024. The brief was a small, well-defined controller: a custom PCB that drives a flash / lighting load with precise timing, with the host interface and…

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