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- jfdesignnet
- Music , Audio
- August 7, 2015
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... and code more.
The RTC also useful to keep track the system time clock during power outage or intermittent power supply where the time is critical especially for transaction application.
Read MoreIt’s build from Wemos D1 mini with esp12F chipset and an ssd1306 OLED display for the status display and RC522 RFID card reader as an input.
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