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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
I've installed Zephyr RTOS and built blinky example for NRF5340-DK board. Then, when I tried to flash output hex file into NRF5340, nrfjprog (using "west flash" command) gave...
I'm trying to debug firmware on our production device, but after programming the device a couple of times, I am unable to program.
Inside of Segger I see this log:
j...
Hi everyone,
In my company we are working with the last SDK release, and we build projects with make and gcc toolchain.
I have a quite wide request : since I'm using makefiles...
Hi all,
I have a custom nRF52840 board that transmits 32-byte packets to mobile device and I want to achieve maximum transfer speed.
The code is based on the ble_app_uart...
Dear all
The issue is:
heartRate and battery levels set by "bt_gatt_notify" in peripheral hr sample on nRFConnect v1.5.0 are not shown in iphone app of "nRF toolbox" ...
Hi All,
I am using the nRF52840, with SDK140 v15.0. I have configured the nRF52840 to be a SPI slave to a NXP processor. When I connect the logic analyzer I see signals...
Hello,
I am trying to build on the nrf5340_cpuappns sample, however this snippet seems to always warn unable to allocated UART send data buffer. Is there any reason k_malloc...
Hi Everyone!
nrf_serial.c and nrf_serial.h are gone in SDK 17.0.2. There are present in 16.0.0. I do not see any mention of this in the release notes.
Was this module...
i am using example code ble_uart for controlling gpio(led & buzzer) by editing bluetooth data handler. I am driving a buzzer using pwm.
led working fine i.e turned on/off...
In nRF Connect SDK I see drivers for BH1749 sensor from Thingy 91, but not for BH1745 from Thingy 52.
Is it possible that the BH1745 sensor will be supported soon? Looks...
I tryed to use the pynrfprog with a Segger-ARM-Flasher to update modem DFU.
I changed the python skript to follow - because there are 2 Segger-ARM-Flasher installed in...
Hi,
When I connect my device to an external power supply, it restarts randomly. It sometimes happens once every minute, sometimes once every 10 minutes. I couldn't find...
Hello,
I am transmitting 1 byte BLE data across a central and peripheral and the central does other things like control PWM, sample SAADC (scan mode), GPIO pins interrupts...
Hello,
When I am loading my project into SES I get the following warning message.
CMake Warning at C:/Zypher/v1.5.0-rc1/zephyr/CMakeLists.txt:1354 (message):
WARNING...