Update README

Xinyuan-LilyGO · Nov 29, 2023 · 9c07ded · 9c07ded
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diff --git a/README.md b/README.md
@@ -127,11 +127,13 @@
 - Can't get location?
    1. Please write the compiled firmware for testing. Please see [here](./firmware/README.MD) for details.
 - Where can I access solar energy to charge the panel?
-   1. If the board has an external VBAT pin, you can connect the solar rechargeable battery input to VBAT. Please be careful not to exceed the battery supply voltage, which is usually 4.2V.
-   2. If there is no VBAT, you can also connect it to the VBUS Pin, which is the input pin for USB power supply. Connecting it to VBUS will share the 5V of the USBC. Please note that when connecting an external charger, disconnect the USBC or disconnect the solar energy. enter
+   1. Some boards(T-A7670,T-A7608,T-A7670-S3,T-A7608-S3) have their own solar battery input interface, you just need to connect the solar panel correctly according to the polarity.
+   2. If the board has an external VBAT pin, you can connect the solar rechargeable battery input to VBAT. Please be careful not to exceed the battery supply voltage, which is usually 4.2V.
+   3. If there is no VBAT, you can also connect it to the VBUS Pin, which is the input pin for USB power supply. Connecting it to VBUS will share the 5V of the USBC. Please note that when connecting an external charger, disconnect the USBC or disconnect the solar energy. enter
 - How to use voice call example?
    1. Voice calls require external welding of the condenser microphone and speaker. Generally, the board silk screen is marked SPK. The speaker needs to be welded, and the MIC silk screen position needs to weld the condenser microphone.
-
+- SIM7672G sendSMS and VoiceCall?
+   1. Although the manual of SIM7672G states that it has the functions of making voice calls and sending text messages, the current firmware does not support it.
 
 
 # 7️⃣Resource

diff --git a/examples/SendSMS/SendSMS.ino b/examples/SendSMS/SendSMS.ino
@@ -5,6 +5,8 @@
  * @copyright Copyright (c) 2023  Shenzhen Xin Yuan Electronic Technology Co., Ltd
  * @date      2023-11-16
  * @note      Not support T-SIM7672
+ * *  Although the manual of SIM7672G states that it has the functions of making voice calls and sending text messages, 
+ * *  the current firmware does not support it.
  */
 
 #include "utilities.h"

diff --git a/examples/VoiceCalls/VoiceCalls.ino b/examples/VoiceCalls/VoiceCalls.ino
@@ -8,6 +8,8 @@
  * * Voice calls require external welding of the condenser microphone and speaker.
  * * Generally, the board silk screen is marked SPK. The speaker needs to be welded,
  * * and the MIC silk screen position needs to weld the condenser microphone.
+ * *  Although the manual of SIM7672G states that it has the functions of making voice calls and sending text messages, 
+ * * the current firmware does not support it.
  */
 
 #include "utilities.h"