hello, reciever of data is always a regular nano, the sender should be a nano BLE, in the following referred to as "nano" and "BLE". the following codes work fine, if the sender is a nano every. if its a BLE, no data is recieved. sender: int zahl1 = 42; float zahl2 = 3.1415; long zahl3 = 123456;…

You have the possibility that you destroyed the receiving port on the 3V3 device, possibly even more damage. It is the 5V to 3V3 that causes the problem as you connected both Tx and Rx. Post a simple schematic showing how these are interconnected, show all connections and power.

[Untitled Sketch_Steckplatine] [mit level shifter_Steckplatine] there has never been a connection from 5V Tx to 3.3V Rx.

Your Nano's RXD is being driven by the BLE, but the Nano also receives from the PC, on that same pin. Though some have reported success doing this, most find that at a minimum, the Serial Monitor content is corrupted by this. It may be that the BLE is completely blocked by the signal output from t…

so i provided an independent power source for both boards with no USB cable attached, added a blink function to see if data came in, no success. included softwareserial like this: #include <SoftwareSerial.h> SoftwareSerial Serial2(2, 3); // Rx, Tx [...] Serial2.readBytesUntil('\0', buf1, sizeof(bu…

Nice pictures not much help. What is the Red Blob? The board on the right is not annotated. Try running a simple hello world type program on each by themselves and see if it works. That will verify the Tx signals. The Rx were verified when the code was uploaded. These pictures do not mean anything t…

Include your entire new code, please. We need to confirm you did what you said you did, without errors. Otherwise, we'll do the spin cycle some more.

[Untitled Sketch_Steckplatine3] sender: int zahl1 = 42; float zahl2 = 3.1415; void setup() { Serial1.begin(9600); pinMode(LED_BUILTIN, OUTPUT); delay(2000); } void loop() { Serial1.flush(); Serial1.write((byte*)&zahl1, sizeof(zahl1)); blink(); Serial1.write((byte*)&zahl2, sizeo…

i added a "starting sign" (<) to mark the beginning of a transmissing and it works now with softwareserial! that wasnt necessary with a regular nano or nano every as sender. but hardware serial still doesnt work, like the Rx port of the reciever is broken, but its not - if the sender is a nano every…

Nano BLE serial send to regular nano wont work

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camsysca September 27, 2023, 9:29pm 9

describe how you start these two talking, because your receiving code has no method of ensuring it's starting with the int; if the talker was started before the receiver, you could be anywhere in the repeat transmission cycle.
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Nano BLE serial send to regular nano wont work

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