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Forum: µC & Digital Electronics Need help with ESP32C3


von Martin L. (tempusertempuser)


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Hello,

when I try to connect to the WiFi with my esp32c3 I get this error and a 
boot loop...WHat can I do?
1
rst:0x3 (RTC_SW_SYS_RST),boot:0x8 (SPI_FAST_FLASH_BOOT)
2
Saved PC:0x403cf94c
3
SPIWP:0xee
4
mode:DIO, clock div:1
5
load:0x3fcd5810,len:0x438
6
load:0x403cc710,len:0x90c
7
load:0x403ce710,len:0x2624
8
entry 0x403cc710

: Moved by Moderator
von Monk (Guest)


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Check the supply voltage under load with an oscilloscope.

von Martin L. (tempusertempuser)


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It's dropping down how can I solve this?

von Lothar M. (Company: Titel) (lkmiller) (Moderator)


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Martin L. schrieb:
> It's dropping down how can I solve this?
Use an adequate power supply (more than usual 500mA-USB, thick short 
cables/wires, power supply soldered instead of breadboard wiring, ...).

For more specific help show a picture of your specific hardware setup.

von Mike J. (emjey)


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Use a energy buffer!

There is on the right side of the USB-socket a +5V and GND Pin, connect 
to this pins a capacitor to have a energy buffer. You can try 100µF.

I added to my ESP32-C3 SuperMini a 1000µF capacitor and did get now a 
connection to my router. For this process it needs a lot of current.

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