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Transistor resistor
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mircica3d 5 years ago
Hy, I build test schematic for control relay with Esp8266 from a book. My question is why use resistor to base transistor? . [https://easyeda.com/mircica3d/pcb-esp8266_copy](https://easyeda.com/mircica3d/pcb-esp8266_copy) Thanks
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andyfierman 5 years ago
[https://easyeda.com/editor#mode=sim,id=57b886d284fb44ff9f0a655eb3afe15e](https://easyeda.com/editor#mode=sim,id=57b886d284fb44ff9f0a655eb3afe15e)
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你现在访问的是EasyEDA海外版，建议访问速度更快的国内版 https://lceda.cn(需要重新注册)
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程，下载后在https://lceda.cn/editor 打开保存即可。
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