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I have made a Circuit for home automation and have discovered that my esp8266 is operating on 3.7--3.8V . I want to ask is it safe to use it at this voltage or I have to step it down to 3.3v for a long run. Note- I am not using a 3.7v battery . It's just a simple circuit that is providing 3.7V.

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The ESP8266EX datasheet (Table 5-1 on page 18) says that the maximum supply voltage is 3.6 V. Fix your power supply.

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  • \$\begingroup\$ Thanks for the answer \$\endgroup\$ – Jayesh Vashishtha Oct 14 at 15:11

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