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...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hey!
I'm working on a Firmware for a BLE peripheral device, I'm using the SDK version 17.1.x and the SD140 on a nRF52840. So far everything worked fine, I was able to...
Hi,
I'm trying to put my nRF52840 in System OFF and wake it up by DETECT signal on GPIO. For that I use gpio_pin_configure() with GPIO_INPUT | GPIO_INT_HIGH_1 flags but...
Hi i am involved in sdk5 based uart porting project
i can run example project and receive/send data to/from nrf52840-dk .
the problem is when i dig deep into the project...
Hi,
I am using a nRF52840 and SDK 15.2, and Soft Device S140 (BLE), where the device is battery powered.
In certain modes, the device sleeps to System Off mode, and...
I am currently porting the nrf_cc3xx_platform library to use it with RIOT OS . Following what has been done for Zephyr and FreeRTOS, I implemented:
Abort API
nrf_cc3xx_platform_abort_init...
Hello, I am working with the asset tracker v2 application and I want to connect it with Aws Cloud. I follow the steps corresponding to the tutorial and I am not successful...
I am trying to use the pc-ble-driver and as a first step want to use the heart_rate_collector example. I downloaded the source as follows:
I then followed the instructions...
Hi everyone,
I have an nRF52832 embedded as part of a dual chip (connected via SPI) and I'm looking to reduce the sleep current as much as possible. I'm currently measuring...
Hi, On both nrf52840 DK and Dongle, the sticker shows 4 info: - PCA board ID - version - year.month - Serial Number/MAC Address Could you please clarify what the last value...
Dear Nordic Community I am trying to get the nrfx adc driver to work with zephyr ( link ). With the help of this post , I ended up with the following code:
prj.conf -> ...
Dear Member,
I want to add ADC the main code,
but I got :
.\_build\nrf52840_xxaa.axf: Error: L6218E: Undefined symbol nrf_drv_ppi_init (referred from adc.o).
I'm using...
Hi, I am not sure whether there is I2C pins on nRF52840 Dongle board as based on the Adafruit Feather nRF52840 Express the pin is P0.11 and P0.12 as shown below: SCL 0.11...
Hello I am learning how to connect timers with gpio via PPI, i working on nrf52832dk.
So far I have connected the RTC 0 alarm channel to the LED no.3 (pin no.19) and its...
Hi, I am Shuang. I am now working on the Bluetooth direction finding function, but I have some problems, and I hope I can get your help.
I have experimented with Bluetooth...