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...
Hi
I can use the duf_dual_bank_ble to do the OTA,but I donn't know how to use the dfu_single_bank_hci to do the OTA.Could you give me some
advice about it?Thanks.
Hi.
I have a problem with writing value to gatts attribute when device is in connection mode. In my application I want to check if the parameter writing by the client to...
Hi,
I have downloaded the new version of SDK (v.5.0) today and just tried your experimental ble_app_ancs (no modifications) but it seems it asserts with error_code=0xB...
Hi,
I need to know when to use the write_wo_resp property for a characteristics, and what is the difference between write and write_wo_resp property of a characteristics...
I've read a post from Marc Nicholas about the attempt to port the entire gcc toolchain under Xcode on Mac OS X.
As I wrote in another post, I've the entire gcc toolchain...
I'm getting started with this evaluation kit by working through the user guide and almost made it through the Blinky example before I ran into trouble.
After compiling...
We have some hardware versions of the Nrf51822: build BA, CA.
Is the new S110 v6.0.0 softdevice compatible with these hardware versions?
If it is not compatible, wich...
Hi.
Using 51822 with BLE stack, I was faced with the problem of low transfer rates (5kb) on my android device (phone). It is very slow.
Can work 51822 with standart...
Can I initial like below to generate 2 opposition PWM waves on 2Pins？
/* Configure PPI channel 0 to toggle PWM_OUTPUT_PIN on every Timer 2 COMPARE[0] match. */
NRF_PPI...
Hi All,
Now I'm doing the OTA and I can use the nRF51822 DK and Master Control Pannel to complete the firmware update.I have a idear but I meet some problem.
I use the...
Hi,
Is it possible to update the firmware through usb? i have a nrf51822 evaluation kit, and i also tested the firmware update over ble. Now, i need to update the firmware...
HI Everybody,
I am developing firmware for handling multiple ANT+ Sensors. i am able to collect data from 3 different sensors, but in below scenario am getting channel...
Hi,
This may be a silly question but I'm trying to generate two timed interrupt events using only TIMER0 (the MCU is nrf51822). My code is:
#define TIMEOUT1 3000 ...
I am beginner on this platform. I was hoping for KEIl IDE to aid my development, but since license fee is more, i wanted to try GCC platform. But unable to set it up. In nAN...
Hello,
We are developing an application that has to be able to send the data of a VGA image, and We don't know which of the GATT supported profiles will be the best to...
