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...
Hello;
I'm trying to get data over the TX pin to be sent to the RX pin on a Raspberry Pi.
I have it working on several boards: The nrf51822 Development Board, the Redbear...
The radio notification tutorial ( devzone.nordicsemi.com/.../) says:
"The distance is the time window before/after the radio goes active. The radio events are radio_on...
I'm slightly bamboozled by the LFCLKCSRC options in the NRF52 datasheet / product specification.
Bit field SRC makes sense. Set to 0 for the internal RC oscillator, 1 for...
Hi
I am currently using the boot loader from SDK7.2.0, compiled using Keil.
However, for all the other software I am using GCC. But GCC support for the boot loader was...
Hi, i am trying to send my notify characteristic every 100 msec, i am using timer for this and when i am connecting to the nrf app, my nordic device is sending the data but...
Hello,
Thanks for your reading.
I tried to read the CHIP_ID value(0xD1) of BMI160 in MetaWearCPro firmware using SPI.
But I could not get the correct value(0xD1). The read...
Hi, I use the following.
Raspberry Pi 3 (RPi3 with Raspbian Jessie 4.4) as a router,
RPi3 is connected to a Wi-Fi router to access the Internet by using the built...
My development Kit is official PCA10040, and SDK is SDK 11.
when i opened the keil project of ble_app_multirole_lesc int the examples of SDK with Keil MDK5.14 and compile...
Hi,
I've got a nice, well-documented bug here:
github.com/.../25
The short of it: Adding a single printf() statement to this mbed OS example causes my nRF51-DK board...
Hello all I am new Nordic and Bluetooth, before starting my project I did small experiment to understand the system i did the following steps.
Used nRF51822 -32 KB...
Hi all ,
I used SEGGER Embedded Studio v3.10 , and import a ble_app_uart keil project , but now build warnning as follow:
create .elf file have a warning "cannot find...
I'm using a nrf51422 customised board. I want to push the firmware to Bootloader mode via ANTware using a payload. But if i use graceful shutdown, the application malfunctions...
Hi, i used sdk11 and softdevice version s130_2.0.
And i used pwm library.
i try to make pwm pulse accurate 38khz.
When i used sdk 6.0, i could control timer used...
Starting SDK 11 (10?) DFU requires a zip file that is being generated with nrfutil.
To generate a package you need to supply a private key (generated by nrfutil as well)...
I have an existing working application running on a board with a Nordic Semiconductor NRF51822-QFAA CPU on it. The CPU is already programmed with (1) a SoftDevice S110 v6...