石榴姐

ESP8266 IO expansion

 
Overview

It has been board tested and has stable performance.

All 6 leads are changed to high-level triggering mode to prevent false switching actions caused by reset operation, and are used to control N mos, NPN and other transistors.

1. Lead out 6 IOs to control MOS relays and other devices.

2. Keep the original pins. If you want to use the original pins, do not solder the IO expansion part.

3.NPN PNP type MOS transistor can be controlled flexibly at will.

 

参考设计图片
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Update:2025-05-08 12:44:47

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