From 17f9c7aaef4a9271a40fb86fed4eb043d7e03be4 Mon Sep 17 00:00:00 2001 From: David Cermak Date: Thu, 18 Nov 2021 10:19:22 +0100 Subject: [PATCH] Examples/PPPoS: Add troubleshooting to correctly power modem Closes https://github.com/espressif/esp-idf/issues/7807 --- examples/protocols/pppos_client/README.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/examples/protocols/pppos_client/README.md b/examples/protocols/pppos_client/README.md index c00e8f626d..d0e677850a 100644 --- a/examples/protocols/pppos_client/README.md +++ b/examples/protocols/pppos_client/README.md @@ -128,4 +128,8 @@ E (626) sim800: sim800_init(628): sync failed ``` * Make sure your modem module is in command mode stably before you run this example. +2. Why the modem restarts before switching to PPP mode or while getting operator's information? + + * Make sure the modem device is properly powered. Please consult the device's datasheet for the power requirement (BG96 consumes approximately 200mA while establishing a connection and may restart if powered only from ESP32-WROVER Kit) + (For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you as soon as possible.)