How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hi,
I am trying to use mcuboot to load a version that is stored in my external flash, and I cannot get it to boot. My project is being built using sysbuild and my target...
Dear devzone，
Based on ncs2.9.1 and nRF54L-DK(v0.9.2), add in the prj.conf of the peripheral_uart example:
Compile and burn to nRF54L15-DK, the program does not run, and...
Hi, I am using an external host with NRF54l!5 dk to test the channel sounding feature.
Can you tell me how the NRF controller supports this Cs procedure and whether the...
Dear Sirs
I try to read SoftDevice version using
ble_version_t version; sd_ble_version_get(&version);
As I understand I get version of SoftDevice in field subversion_number...
It might be due to a short circuit caused by incorrect wiring. The PPK2 circuit board is damaged, and the chip with silkscreen "L7 #247" in the lower-right corner seems to...
When my mtd device is connected to a thread network, what should I do if I want to untie and join another thread network? How should I untie and clear the network information...
I followed the DevAcademy lesson on WiFi FOTA with AWS IoT, with some modifications to work with my board.
The device correctly connects to the AWS mqtt server and published...
Dear,
I’m experiencing an issue with performing DFU over BLE Mesh. I have a setup with one node acting as provisioner and distributor. This node has a new image loaded ...
I'm trying to flash a custom board (schematics in this ticket - Schematic/Layout review request ) using a Jlink EDU mini and keep running into an error message saying it's...
I'm having some trouble with the discovery module. The way the service I'm connecting to has the same UUID for the Bluetooth LE service as for its characteristic. I get this...
Hi all,
Has anyone implemented an MQTT client on an 54L15 before? I have been searching the web and I have not seen a sample program or anyone talking about MQTT with 54L15...
I'm developing a small IoT device that needs to retrieve and transmit its location upon pressing a button. While testing the modem using AT commands, I can consistently retrieve...
I'm trying to convert some code from ESP32 to nRF, and I'm having problems with the microphone input. Mind you, I'm a beginner with nRF, so I'm sure I'm missing something...
I am trying to adapt lesson 9 (FOTA over Wi-Fi) exercise 7 of the DevAcademy nRF Connect SDK Intermediate course. I am trying to adapt it to work with nrf52840 connected to...
Hi, my code will return ATT error code: 0x0E cyclically
I have check some tickets and try to update my central device to
Hoever, it still cannot, the error is like...
