From 2b5d010bea6283a986e79918502df86b29b9d5b5 Mon Sep 17 00:00:00 2001 From: Volodymyr Shymanskyy Date: Fri, 2 Dec 2016 20:07:51 +0200 Subject: [PATCH] Update README.md --- README.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/README.md b/README.md index 407d7c0..84f7d07 100644 --- a/README.md +++ b/README.md @@ -44,9 +44,9 @@ TinyGSM pulls data gently from the modem, so it can operate on very little RAM. - Check your ballance - Check that APN,User,Pass are correct and you have internet 2. Ensure the SIM card is correctly inserted into the module - 3. Provide a good, stable power supply (up to 2A, 4.0-4.2V or 5V according to your module documentation) - 4. Provide good, stable serial connection - (Hardware Serial is recommended) + 3. Provide a good, [stable power supply](wiki/Powering-GSM-module) (up to 2A, 4.0-4.2V or 5V according to your module documentation) + 4. Check if serial connection is working (Hardware Serial is recommended) + Send an ```AT``` command using [this sketch](tools/AT_Debug/AT_Debug.ino) 5. Check if GSM antenna is attached ## Troubleshooting