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STD ESP01 Control

License: Public Domain

Mode: Editors' pick

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Update time: 2021-05-17 16:14:49
Creation time: 2021-05-01 20:28:19
Description

Input 220v,

Should be transformed to 12v (for coin acceptor) and 3.3v (for ESP-01 module).

Choose to use a 5v power supply, and from that - to boost to 12v, and use linear voltage regulator (HT7333) to take it down from 5v to 3.3v.

 

A relay module will be controlled by one of the ESP-01 GPIOs, another pin will be used to take the pulse and add time to the timer.

 

Want to add TM1637 (4 digit 7-segment display) to show time countdown.

 

Any collaboration would be really welcomed and appreciated.

 

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