Yes there is a limit of 20 characteres for notify()

I think you should not call notify() from within the write callback, not sure about that but I would write to a global var and notify from that var

Good luck
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Removing the 3.3 regulator and providing 3.3V directly seems to solve the reading

Still investigating

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Ok, now I understand what you want Looking at your server code you dont have a callback to receive the Characteristcs Write, so you wont be able to write to your server I included in your code the callback so with that you will be able to receive the value of the characteristic, once received on the...

Hi MCUism

Ok, so what exactly is not working?
Can you successfully connect from the nRF app to your server and read the data?
Can you do it from esp client too?

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Try to solve one problem at time, make your server code and use an app "BLE Scanner" on your smartphone to make sure you can connect and see the data you are trying to send, after your server code is working with the BLE Scanner app you can try your client code. Trying to solve both sides at same ti...

Sure, they should communicate without any problem, just make sure there is no firewall/nat or anything else blocking/hiding ip or port

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Hello I need to monitor a 12V battery, but when I moved from the dev board to the single module the readings got way off. Below the results and the code used To simulate the battery I am using a 12V dc power supply I started developing the circuit using a Doit Esp32 Dev board and I was able to get c...

Hello ESP_igrr

Thanks very much, that really worked.

Hello @boarchuz Thanks for the answer, makes sense. I am trying to avoid having the ULP coprocessor running while in active mode. I am trying to minimize power consumption, I already changed to 80Mhz, disabled 1 processor and made some changes to BT, now I am at 35mA current consumption with BT in a...

Hello I am trying to wakeup from Deep Sleep using ULP after calling I_END, reading the docs in https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/ulp_macros.html I understood that if I call I_END the ULP timer would stop and it would start again the next time I call ulp_run() "ULP prog...