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...
I use:
pca10059, connectivity_4.1.1_usb_with_s140_6.1.1.hex
nrf-ble-driver-4.1.1-win_x86_32
I am trying to scan BLE advertise. I have a problem that ALL packets...
Hello,
I am using Segger and nrf52840 dk. I want to print float value in debug terminal but the value is not getting printed.
I did this-- printf("%f cm\n", temp);
in...
Hi!
I am currently trying to build the lwm2m_client. Currently I am using ncs v1.1.0-rc3.
I am using the devkit as hardware. The only thing I changed in the proj.conf...
Hi Nordic Support Team,
i'm working with nrf52832 development kit. In that, We are adding the UART features in BLE DFU secure bootloader example code in SDKV15.2.0. But...
Hi all,
I have tried to write a program for configuring and send a character data over UART,but the NRF52-DK not responding to the code,I successfully flash the code.
...
I can't seem to get TWI working, attached are main.c sd_config.h
The code compiles, but when stepping through in debug, it ends up in an infinite loop inside:
I have...
Hello,
I am in the process of integrating a project where I need 3 uarts to work concurrently in different configurations. This will eventually migrate to an application...
Sorry ,I have the problem with increasing the max data length(more then 20 bytes) in the characteristic , I change the att_mtu size like the value in the picture, but after...
I have developed a beacon application which transmits the required data from an analog device. I want one more application which scans the transmitted information from the...
Hi,
I am using nRF52840 dongle for my development with "usbd_ble_uart" profile from SDK located in this following path RF5_SDK_15.2.0_9412b96\nRF5_SDK_15.3.0_59ac345\examples...
Hi.
I saw lots of questions but I could't find answer about BLE & flash write func.
Setup is nrf52832, S332, SDK 15.3.0.
using ble, ant+, gpio, timer, adc,
in code...
Hi Nordic:
I have a question about retart saadc. i want to restart saadc in a bsp event(BSP_EVENT_KEY_3) and it works. the following is my code:
i learned in this forum...
1. Download and install nRF Connect from Google Play or App Store. 2. Open nRF Connect. 3. Make sure that the DK is running the ble_app_uart example. LED1 should be blinking...
Hi,
My firmware is working well and handling required functions, so I have begun trying to work on power management to reduce device power draw. I am using S140 and my BLE...
