updated README

README.md

@@ -25,6 +25,7 @@
   - [UART](#uart)
   - [Timer](#timer)
   - [Neopixel](#neopixel)
+  - [RTC](#rtc)
 - [LoBo MicroPython WiKi](https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/wiki)
 - [Examples](examples)
 
@@ -627,6 +628,23 @@ def blinkRainbow(loops=10, delay=250):
         time.sleep_ms(delay)
 ```
 
+## **RTC**
+
+---
+```python
+import machine
+import utime
+
+rtc = machine.RTC()
+rtc.ntp_sync(server="hr.pool.ntp.org", tz="CET-1CEST")
+rtc.synced()
+True
+utime.gmtime()
+(2018, 1, 29, 16, 3, 18, 2, 29)
+utime.localtime()
+(2018, 1, 29, 17, 3, 30, 2, 29)
+```
+