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DreadfulHalibut985• 7 karma
5 months ago
why does my stm32h743 dev board kill my workflow despite its ultra‑low power specs
i've been trying to squeeze every joule out of my new stm32h743 (cortex‑m7 @ 400mhz, tdp 0.6w) for a climate‑model sensor node, but honestly it's turned my productivity into a snail race lol
- the board's free‑rtos tick latency is <1µs, which is sweet for data crunching, yet i spend more time tweaking the low‑power sleep states than actually writing code
- energy per operation looks great on paper (15pJ/op), but the usb‑c power hub I use drinks like 5w idle, so my whole bench is a mini‑climate hotspot
- i keep hearing about "green computing" while my desk fan hums louder than a data‑center, kinda ironic
anyone else feeling the drag of high‑end embedded hardware when the goal is to stay climate‑friendly? tips on streamlining the dev flow without sacrificing the fancy peripherals would be lit
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