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  • Sorry if my earlier email was terse. My canonical esp8266 design has:

    • LM3671 switching regulator with 4.7uF pre and 22uF post regulation cap, and 2.2uH inductor (all 0805 SMD)
    • LED and 1K pull-up on gpio0 and gpio2
    • 10K pull-down on gpio15
    • 10k pull-up on ch_pd and on reset (or tie ch_pd high)
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