@stevelord So are the custom Retrozer0s you're making use the ESP32? If so, what kind of power consumption have you seen when running all out? I see that it can go into deep sleep down to 17μW. Also this might be an ignorant question, but if we're talking simple dedicated uses, how hard would it be to forgo an OS all together?

@daniel I havent done power measurements yet as its unoptimised but 5v at about 100ma I think is peak. I'm using ESP32 but I'm not wed to them. I have STM32 and eventually RISCV in mind.

@daniel foregoing the OS is 100% doable. I've run my own BASIC and some zx spectrum emulation too.

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