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...
Dear Nordic Engineers!
I am using the nRF51422 QFACA1 on custom boards and planning to migrate from SDK8.0.0 to SDK11.0.0
My application is using the S120 soft device...
Hi all! I want to send data from a beacon (nrf51822) to a Pic microcontroller with the RS232 standard, what function should I use to send data? I have already tried but it...
hello.
I want use I2C program.
so, I used twi_master_using_app_twi example.
SDA is output only 1byte(0x21).
I need to output a continuous 5byte.
Where do I need to modify...
Although the login form in the right side-bar works, the on in the main page does not. To reproduce:
Log out,
Click on 'Sign in' on the side bar
It should take...
Hi,
I am trying to use PPI for generating a output of lo to hi when NRF_RADIO->EVENTS_READY occurs.I want to generate on the same pin hi to lo when NRF_RADIO->EVENTS_END...
There are a couple of threads in the Developer Zone which mention backwards compatibility issues for nRF51822 BLE with DFU. Some of these are focussed around MCP (Master Control...
Hi !
I would like to use FFT with the nrf52. There are some FFT functions in the arm_math.h, but the linker fail :
1> Compiling main.c
1> Linking nrf52832_xxaa.elf...
Hi, in older SDK there seemed to be a simple way to redirect stdout (simple_uart.h), but in SDK 11 I cannot find these functions. What is the recommended/minimal way to redirect...
I use the nrf51822qfaa,s110 v8.00,SDK V10.0.
I use PWM module with a piezo buzzer.
Now I need change the buzzer frequency,
How can I change the PWM frequency?
for example...
I started looking at the alert notification example. I just can't see how people understand the complex state sequences the peripheral (or central for that matter) go through...
I am using em::blocks and arm gcc with ble nano from readbear labs.
I built the template example but it is not working.
The output hex is the same as if i had built it with...
Hi, I am about to purchase PCA10040 V1.1.0.
I heard that one has the latest chip revision nRF52. ( ref. link )
I'm very excited to start with the new feature in nRF52;...
I have a peripheral and a central.I set my peripheral which have the function of static Pin,for example: When I use cellphone to connect to my peripheral , the cellphone must...
