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Update README.md

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Volodymyr Shymanskyy
2016-12-01 15:39:58 +02:00
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parent 0019157eb6
commit 3aa85e2f1c
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README.md
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@@ -16,13 +16,25 @@ More modules may be supported later.
- Disable PIN code on the SIM card - Disable PIN code on the SIM card
- Check your ballance - Check your ballance
- Check that APN,User,Pass are correct and you have internet - Check that APN,User,Pass are correct and you have internet
2. Ensure the sim card is correctly inserted into the module 2. Ensure the SIM card is correctly inserted into the module
3. Provide a good, stable power supply (up to 2A) 3. Provide a good, stable power supply (up to 2A, 4.0-4.2V or 5V according to your module documentation)
(4.0-4.2V or 5V according to your module documentation)
4. Provide good, stable serial connection 4. Provide good, stable serial connection
(Hardware Serial is recommended) (Hardware Serial is recommended)
5. Check if GSM antenna is attached 5. Check if GSM antenna is attached
## Troubleshooting
Sometimes (especially if you played with AT comands), your module configuration may become invalid.
In this case, there may be different problems:
* Can't connect to the GPRS network
* Can't connect to the server
* Sent/recieved data contains invalid bytes
* etc.
To return module to **Factory Defaults**, use this sketch:
File -> Examples -> TynyGSM -> tools -> [FactoryReset](https://github.com/vshymanskyy/TinyGSM/blob/master/tools/FactoryReset/FactoryReset.ino)
__________ __________
### License ### License