念慈菴

Mengxin esp8266 development board

Overview

It's a four-layer board , and it's for free at a certain location.
There are 3 WS2812 onboard , suitable for lighting.
There is a 0.96-inch 12864 iic oled smart interface onboard.
There is a universal iic interface onboard.
Use resistors for pull-up and pull-down to reduce the number of components used and is suitable for esp12e/f/s.
Use Type-c interface.
DIP switch 1 measures the battery voltage, and 2 activates the esp8266 Deep Sleep function.
One seven-pin switch is used for battery power supply selection , and the other seven-pin switch is used for switching between 5v-3.3v ams1117 and 4.2v-3.3v ht7833 power supply .
Burning retains both the manual burning port and the automatic burning port.
In the future, we will try to add expansion boards of the same specification so that we can stack hamburger style expansion.

Design Files

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Update:2025-05-07 01:32:32

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