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, with my nrf9160 I need to send a gps location every 3 sec to azure, so I combined the agps and the azure iot hub sample. It's working pretty good but 10 sec as a periodic...
Hi, I doing PCBA prototype. And I found part number nRF5340-QKAA-R and NRF5340-QKAA-AB0-R7 in the website. In my understanding. The NRF5340-QKAA-AB is a sample engineering...
Hi,
I want to used NRF5340-DK for my BLE receiver evaluation I find LNA (NRF21540-DB) which is suitable to use with NRF5340-DK.
But I could not find this available in...
I am just beginning with the dev kit I bought in December. The box has a URL: nordicsemi.com/start52840dk
This is not helpful. The only thing I find there is a PDF - apparently...
hello,
i am using sdk 17 with ses v5.20 i have customised board consists of Decawave 1000 , Nrf52832 and accelarometer i want to compile and run both initiator and responder...
Please tell me about RBP CONF of UICR. Q1. What is the purpose of UICR's RBPCONF (read-back protection)? What kind of protection is it? Q2. What changes when RBPCONF (read...
I'm having problem connecting my thing:91 to the nrfcloud. When im trying to connect im getting "Troubleshoot nRF Code 40412". One of the reasons could be "before attempting...
Is there any way to run the TIMER peripherals off of the 32khz clock? We need to generate a 1khz PWM while the micro is asleep, and we really need to be able to shut down...
My device has BLE and I can successfully use any example (for example ble_peripheral/ble_app_bps ) to advertise different services.
It also has a serial port from where...
Hello,
we have a problem to do bonding to a Huawei P20 lite, which has Android 9 and seems to use BLE 4.2.
We use the nRF52832, with SD 17.2.0, using Bluetooth LE.
We...
Hi I have a new NRF5340-PDK board. I am using Zephyr OS to build my application like that: However, flashing with: doesn't work. I am using the latest version of nrfjprog...
Hello all,
We sell BLE devices with pre-programmed firmware, which has the ability to be remotely updated using the nordic buttonless DFU service based on a modified version...
Hi,
Thanks in advance.
Anybody experiencing the same problem? I'm trying to test the DFU functionality by compiling the example in SDK/examples/dfu/secure_bootloader/pca10040_ble...
