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...
My CMD.EXE is copied here, it shows the command I'm trying to run, and the output of the program. As you can see, there is no error message.
However, it does not succeed...
Hi there,
I was wondering, do you have a generic "module on PCB" for Nrf9160? Much like ESP32. I would like to skip the design of the RF impedance maching... not my cup...
Hi,
I needed assistance to get the SKY66112-11 FEM working with the Radio Test Example, for certification testing (FCC, CE etc). I am using the NCS 1.5.1 SDK. I have followed...
Howdy ya'll,
I updated nRF Programmer yesterday (1.4.8 -> 1.4.9) and noticed binaries were not flashing to my board anymore. My JLINK is able to read the device's memory...
Hi, I am in need of some guidance. The overall goal is to set up MQTT/TLS communication from end devices in a thread network, via a border router to the AWS cloud. I have...
Hi. I am currently having a nrf52840 custom board and tried to program the sniffer hex file. nRF programmer gave me couldNotOpenDevice (0x4) Lowlevel error: JLINKARM_DLL_ERROR...
Hi all, I have a problem. I'm using a mix of the nrf samples azure_fota and azure_iot_hub connecting to Azure, using certificates X.509. The problem is the expiration date...
Hello everyone.
I have a nRF52840 DK that I am working with.
1.) When I plug into the USB port J2 (MCU interface) I am able to connect to the board program/debug using...
I wrote some code that has multiple custom services where my device acts as GATT Server.
I register the handler for every service (3 in total) with NRF_SDH_BLE_OBSERVER...
Hi,
I am debgging QSPI( type name: IS25LQ040B) in nRF52833, I met " NRFX_ERROR_TIMEOUT ", Could you give me some advice, please?
// Set QSPI pins to pins related to...
Using this \nRF5_SDK_17.0.2_d674dde\examples\ble_peripheral\ble_app_blinky and nRF5_SDK_17.0.2_d674dde\examples\ble_central\ble_app_blinky_c
As described in \examples\ble_central...
Dear community,
I'm facing a problem during bluetooth scanning. I'm using the example named in the subject. This allows me to use the UART as debug printout.
I slightly...
Hi, I'm trying to upgrade nRF Connect SDK from 1.3.0-rc1 to 1.3.0 because I need one of the bugfixes to keep developing. I'm on macOS catalina and I've used the Toolchain...
Hi,
I am looking at and testing the ble_app_hrs_c_pca10040_s132 example.
When the whitelist ist set up with the "whitelist request" we execute the following two lines...
