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John Spencer

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Swagbadge 101: Hardware and SAOsOpen Hardware Miniconf (LCA 2021)2021-02-18
Conference badge is a tiny MicroPython-capable dev board built around an ESP32 Lolin32 at $3 with only five main components: two 0.96" I2C OLEDs, two buttons…
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Swagbadge 101: Hardware and SAOslinux.conf.au 20212021-01-23
Conference badge built around a Lolin32 (ESP32) running MicroPython with only five main parts: Lolin32 (ESP32), two 0.96" I2C OLEDs, and two buttons, and about…
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DingoCar: A machine learning platformlinux.conf.au 20202020-01-13
Raspberry Pi HAT that combines power management and I/O for on-board ML rigs, with a KiCad-designed HAT, 8 PWM channels / servo outputs, and a small 128×64…
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