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Hello.
I am trying to power t-beam v1.1 using 5V pin or 3.3v pin but it does not work.
How can I power the t-beam externally without using the USB??
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I do Lora with interrupt-receive. in the main loop i update a oled display. when i do not use a delay (to reproduce error) i get this stacktrace every minute or so when i use a delay it is not often …
rfx77 updated
3 years ago
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I'm trying to power a SSD1306 display from the 3.3v supply. Power management is started as follows:
```
axp.setPowerOutPut(AXP192_LDO2, AXP202_ON);
axp.setPowerOutPut(AXP192_LDO3, AXP202_ON);…
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I tried adding another task to the other core, but having issues with the screen just blinking.
Any suggestions?
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I'm trying to upload a simple code where I send and receive an SMS. But the SIM800L won't be recognized for nothing. The red led, near the SIM800L will never turn on.
I would be glad if anyone could …
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Hi,
I am wondering whether the AXP192 and the library allow to charge LiFEPo4 batteries as well. These need a target voltage of 3.6 Volt.
Best regards,
Peter
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Hi,
is it possible to send a lora payload from a T-Beam and receive it from a LoRa32 SX1276 OLED (v2) ? I if follow those two tutorials:
https://randomnerdtutorials.com/ttgo-lora32-sx1276-arduino…
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Hey there,
Does anybody know a method for using a timer to wake up the t-beam v1.1 from sleep. So without using the button? Or is this not possible with the power management unit?
Some example co…
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I was using two T-beams with the display modules, and everything was working as expected. However, a couple of days ago one of my displays would not turn on. After investigating, I have found that t…
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in AXP192.cpp the function bool AXP192::isCharging() checks wrong bit (0x02, but should be 0x04)