[已解决]请问esp8266有什么办法断电存储数据

inevitab

我想存储一个变量，或者某个传感器获取到的数据，开发板断电再通电后，仍然能读取到上一次的数据

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谢谢大家指导，已经解决，红色是关键代码

<div><div style="color: #000000;background-color: #fffffe;font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,'Liberation Mono','Courier New',monospace, Consolas, 'Courier New', monospace;font-weight: normal;font-size: 14px;line-height: 19px;white-space: pre;"><div><span style="color: #000099;">esp8266</span><span style="color: #000000;">:</span></div><div><span style="color: #000000;">  </span><span style="color: #000099;">board</span><span style="color: #000000;">: </span><span style="color: #0451a5;">esp01_1m</span></div><div><span style="color: #000000;">  </span><font color="#ff0000">restore_from_flash: true</font></div>
<div><span style="color: #000099;">preferences</span><span style="color: #000000;">:</span></div><div><span style="color: #000000;">  </span><font color="#ff0000">flash_write_interval: 2s</font></div><div><span style="color: #0451a5;">
</span></div></div></div><div><div style="color: #000000;background-color: #fffffe;font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,'Liberation Mono','Courier New',monospace, Consolas, 'Courier New', monospace;font-weight: normal;font-size: 14px;line-height: 19px;white-space: pre;"><div><span style="color: #000099;">globals</span><span style="color: #000000;">:</span></div><div><span style="color: #000000;">  - </span><span style="color: #000099;">id</span><span style="color: #000000;">: </span><span style="color: #0451a5;">my_global_value</span></div><div><span style="color: #000000;">    </span><span style="color: #000099;">type</span><span style="color: #000000;">: </span><span style="color: #0451a5;">float</span></div><div><span style="color: #000000;">    </span><font color="#ff0000">restore_value: true</font></div><div><span style="color: #000000;">    </span><span style="color: #000099;">initial_value</span><span style="color: #000000;">: </span><span style="color: #0451a5;">'0'</span></div></div></div>

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routeros.cn

应该只能周期保存EEPROM,如果是实时保存估计用不了多少..开机后读取该值就行了

silversucks

EEPROM或者SPIFFS之类的都可以

阿斯蒂芬

esphome的话开启这个就行了，但是并不是实时的，而是定期保存

esp8266:
  restore_from_flash: true

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