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 everyone,
I have very pesky bug that is leaving me in fits. I have a feeling it is a timing issue, but I am not sure at this point. Here is my issue, and I would...
Hi Devzone.
I've taken the ble_app_hrs example,
and then added the example code from the PWM Driver example.
The PWM module is mostly functional,
however I have a...
Hi,
I'm trying to build a SPI Slave <-> BLE bridge, so that everything received over SPI bus is forwarded on BLE and vice versa. In order for the reverse direction to work...
Hello,
i think this is simple question, but nowhere i can find answer. Is nRF52840 preview development kit (PCA10056) contains built in nrf52840 microcontroller or i need...
I am going through the BLE Central tutorial and am a bit confused by the APPL_LOG function calls, from what I could understand it should give messages on serial port, like...
Hello, I have nRF51822 Beacon Kit (pca200006) and nrf51 dk board (pca100028)
I had an impression I could flash beacon and upload new files using nrf51 dk board as jlink over...
I am using IOS nRF Toolbox 4.2 DFU function on nRF51 DK PCA10028. I followed the tutorial here .
Use nRFgo Studio to erase all.
Use nRFgo Studio to program...
We have an nRF51822 peripheral device that is bonded with one and only one central. The central is always an iOS or Android phone running our app, which is scanning at "low...
In the BLE advertising library, in SDK 11, is the timeout for directed slow advertising specified in seconds, or in number of tries?
Seconds would be more consistent with...
Hi All,
I have got a project running on an nRF51422 QFAC, using the lastest SDK.
I am having some problems with the app_timers, i am able to create and start them, and...
Hello all,
i am working with the nRF52832 DK and SDK11. Actually the Enhanced Shock Burst Communication is working. I can send and receive messages. From this point on...
Lets say, that I've got a chip with program in its flash. I know I can protect it from being read back, but can I protect it from flashing anything else through debugger interface...
we have two nrf51-dks and we wanna create a ble mesh.
how can we set a ble mesh and same time ble advertising on Nrf51422 DK (PCA10028 V1.2.0) Board with using examples on...
Hello,
is there a possibility on nrf51 8.0.0 softdevice to determine whether particular notification has been received by remote device?
I use sd_ble_gatts_hvx() to send...
