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 want to write the firmware to 52832 from android system by UART .I have readed the firmware into bytes, and then do not know how to compose the bytes to write into serial...
I have the following situation:
My device receives a number of RF packets, changes to TX mode, sends some data, goes back to RX mode and it should be able to access the...
Hi,
my application is normally a BLE scanner, listening for beacons. This runs OK.
Now, I tried to add a tested piece of connectable gap/gatt firmware, that runs fine...
Hi ,
in the RTOS example, you set
configTICK_SOURCE as FREERTOS_USE_RTC and configCPU_CLOCK_HZ as( SystemCoreClock ) .Since SystemCoreClock is 64mhz, why did you not set...
I am trying to understand why when I connect the nRF52840 Dongle using nRF Desktop I get this message in the log:
2020-02-26T23:12:13.293Z INFO Connectivity firmware version...
Hi Team,
We are using nRF 52840 chip for our development of product.
As of now the settings for BLE data transfer are as below.
MIN_CONN_INTERVAL 20 // which is the...
Hi,
I'm developing a router Zigbee device starting from light bulb example.
In the example the function zb_set_max_children is called passing 10 as parameter.
About...
Hi,
I am using
PCA10056
SDK 15.3.0
Keil IDE
The soft device is S140
JLinkRTTViewer for debug
I am testing background serial-dfu.(refer to https://devzone...
Hello,
We are working with the nrf 9160 dk.
We need to use internet connectivity to send an http get and post to a remote server.
We want to utilize the NB-IoT...
I've been developing firmware for my PCA10059.
I load the package with nrfutil dfu usb-serial --package=_build/t.zip --serial-number=`cat /tmp/serials.txt` --connect-delay...
I use nRF5_SDK_15.0.0
My soc is NRF52832,project is based on ble_peripheral ble_app_blinky.
After I call idle_state_handle() let my device go to sleeping.
Sleep current...
Hello,
We are using nrf52832 with sdk 16.0, for a particular reason we are storing some variables in flash storage, i have some question regarding that
what is the time...
Hello,
I am developing a driver that can handle cryptographic operations and I am using example code from nRF5_SDK_16.0.0_98a08e2 /examples/crypto/nrf_cc310/aes to get...