I am trying to get a good handle on the difference in average power consumption between BLE point to point and Zigbee on an nRF52840. We have battery powered products and...
Hi, For my project, I need to design a BLE packet sniffer which scanning the 40 channels. Therefore, I need 40 dongles are connected to a computer that can read and transfer...
I am writing code to get a nrf52840 DK to associate with an existing 802.15.4 coordinator using the 802.15.4 API module within SDK 15.2.
I've called "mlme_scan_req" and...
Currently, I am able to use Mqtt Publisher or Subscriber with only one Nrf52 device. I can ping to the device with link-local address.
I am using Nrf52832 with SoftDevice...
Hi everyone,
After days of figuring out how CMake works, I try to write a CMakeList.txt myself, and decide to put my progress on this community. Right now, using CLion with...
i am using nrf 52832, i got SAADC example code from sdk. that code done by using timer. i could not understand timer section. Is available SAADC simple example code without...
Hello everyone,
as indicated by this question https://devzone.nordicsemi.com/f/nordic-q-a/35692/adding-nrf52-dk-to-github-mesh-demo-for-thingys/138327#138327 I am trying...
In our testing we encounter some devices (Centrals with nrf52832), where the peer manager event PM_EVT_BONDED_PEER_CONNECTED contains a invalid peer id 0x4000 (allowed values...
I have a device the uses MSP430f169 and CC2500 RF controller for communication I need to replace the CC2500 RF controller with nRF51422 device.
As I understand an nRF51422...
Hi,
I develop application on MBED platform with NRF52-DK. I figure out that pin "logic" on this board is interchanged. For example. I have LED connected to some pin. When...
Hello,
on my custom board I am trying to use pin P0.09 and P0.010 for interrupt-purposes. So I integrated the necessary adjustments as mentioned in this topic here , which...
Hi,
I develop application using BLE.
In my scenario two NRF52832 operate in two different roles (Client and Server).
I have ready to run app (as server) and can communicate...
Hi,
When I call nrf_drv_spi_transfer to transfer 250 bytes in non-blocking mode, it takes 1.1ms. Is this normal? Any workaround? If it is normal then I have to split my...
My android app give me this "register with gatt stack failed" error on Samsung S7 marshmallow. The scenario is that I am working with 21 BLE peripherals (nrf52). I scan available...
hello dear Engineers!
I Prepare PCB to produce, so have some question about QSPI pins.
According to the "52.10 Registers" , it is possible to Assign any pins to QSPI...
Hey, I have my nrf 52 dk. I have soft device v3 on my nrf 52.
I was doing a blinky test with two boards (one central and one peripheral)
I was just wondering how to...
I have two sensor: Si7021 and CCS811 connect to board (nRF51 DK).
Si7021 work fine.
CCS811 always return NRF_DRV_TWI_EVT_ADDRESS_NACK error.
Anyone can give me a help?
Hi,
I'm trying to setup NRF52 with a microphone (ICS-43432) using I2S and easyDMA. I'm new to embedded software development, and would very much appreciate your help and...
Hi,
I am really new to the Nordic products and programming for that matters. But, the thing is that I am in somewhat of a hurry. I would like to use a similar code to below...
Hi all. I am sending to BLE device AE A7 04 00 05 09 BC B7 command, getting status 0 ( success ), but do not get any updates or notifications from BLE at all. So am I doing...
I've compiled the secured DFU bootloader (from SDK 12.2) and loaded it on my board. But whenever I run my firmware, it won't start (none of the expected interaction happens...
Hi there,
As the title says, i'm tring to add nus service to the freertos example (board PCA10040, SD 132, SDK 12). Actually, I want to mix it with the peripherical app_uart...
