Commit 3eccf506 authored by Marcel Stör's avatar Marcel Stör
Browse files

Add note about calling sntp.sync periodically

parent aa5fd144
......@@ -10,7 +10,9 @@ When compiled together with the [rtctime](rtctime.md) module it also offers seam
## sntp.sync()
Attempts to obtain time synchronization.
Attempts to obtain time synchronization.
For best results you may want to to call this periodically in order to compensate for internal clock drift. As stated in the [rtctime](rtctime.md) module documentation it's advisable to sync time after deep sleep and it's necessary to sync after module reset (add it to [`init.lua`](upload.md#initlua) after WiFi initialization).
#### Syntax
`sntp.sync([server_ip], [callback], [errcallback])`
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