Help!The output is strange.
Posted: Fri Dec 08, 2017 4:03 pm
by ysw0145
All the examples in esp-idf examples folder can not run.(In fact,I have tried many of them....).
Emmm,
Re: Help!The output is strange.
Posted: Sat Dec 09, 2017 3:56 am
by ESP_Sprite
Are you sure your power supply (or USB lead, in case of a devboard) is good enough? Stuff like this tends to happen when the current draw of the ESP32 makes the input voltage sag too much.
Re: Help!The output is strange.
Posted: Sat Dec 09, 2017 5:32 am
by ESP_igrr
Please check the note about XTAL frequency in the following document:
http://esp-idf.readthedocs.io/en/latest ... #configure
Most ESP32 development boards have a 40MHz crystal installed. However, some boards use a 26MHz crystal. If your board uses a 26MHz crystal, or you get garbage output from serial port after code upload, adjust the ESP32_XTAL_FREQ_SEL option in menuconfig.