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...
Thanks for reading my question.
I use SDK14 , PCA10040, S132 and modified a little bit of uarte driver, but that should not affect what I said below.
I set the DMA buffer...
I read about Segger studio (on their website) that it reduces the code size. I try to check it out
Here's my opposite result
I've compiled the same app (e.g uart_example...
Hi all , when I run and debug my code , I frequently encounter error :
I think it's related RAM configuration on KeilC .
Please show me what is error ? And how to solve...
Hi there,
So I'm going through that complicated step of setting up the IDE for the first time to get started programming and I'm having issues doing it with the SES and...
hi everyone ,I want to ask you a question, I use the SDK12.3, when the device from the application transformation to the bootloader, when DFU is failed, why the deice is stays...
I am using nRF51822 (PTR5518A) with SDK v12 and s130 softdevice. To dump the code I am using nRF52 DK segger (PCA10036). With that I am able to dump the code but there is...
Hello ,I hope the speed of NUS can be achieved 7K Byte/s. The data form phone to uart is ok,but the data form uart to phone is not.I tested the Bluetooth part separately.Loop...
Hi,
I am able to connect nrf51822 with nordic app but now i want to receive data from nrf51822. For Example -
If nrf51822 detects some voltage at pin no "1" then it should...
Are there any Segger Embedded Studio examples for the nRF51 dev kit?
All the examples supplied with the nRF5_SDK_14.1.0 seem to be for the nRF52.
I only bought a new dev...
How do you do
E: \ Nordic \ nRF5_SDK_12 _f012efa 2.0-3 d \ examples \ peripheral \ pwm_driver pwm_driver routines of the path,
1.How to configure reverse polarity...
In all the SDK examples all the source is in main.c. Is there a good reason for keeping everything including timer initialization, UART config, BLE setup, etc all in one file...
Hi,
I am using nrf51822 (pca10004) with SDK110 softdevice programmed through j-link LITE SEGGER. After programming the custom code (Basic I2C code) and when we try to debug...
Is there any documentation as to how to connect a nrf52 chip (as found on the nRF52832 BT Module with Header Pins ( www.analoglamb.com/.../) or the nrf51 on the Adafruit bleFriend...
Hello,this is Lee.I have a problem about nRF51822.
When I turn on/off the power 2.8V to it ,it hangs up
frequently.I check POR function,I found that the residual
voltage...
hi,
i'm using the 32KHZ external crystal and i didn't find any free space in my PCB to put the crystal in the same side with the nrf chip, so the only solution that i found...
