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I want connect nrf51822 (Raytac MDBT40) by my phone(HTC battery one android 4.4.2).
I use softdevice 130(ver.2.0.0) and SDK 11 demo code under KEIL ARM 5. (Nordic Semiconductor\nRF5_SDK_11.0.0_89a8197 ... (more)
The vivo phone sometimes cannot scan the device, There are two devices embedded same program. However,one of them can be scanned,the other one can not. The advertising packet shows as follows:
I can not find the wide difference ... (more)
Having a bit of an issue with the SPI manager scheduler. When sending small packets (<4 bytes), I seem to be able to queue as many requests as I want.
However, sending a larger packet - even without any ... (more)
We are currently facing this issue, where after a DFU application firmware update (or bootloader update) the bonding information gets wiped out.
We are using a custom board as peripheral based on NRF51822, with Soft Device S110 8.0 ... (more)
I am using the nRF52832 and I have been trying to meausre the centre frquency on a specturm analyser. But, the centre freq on the specrum analyser is 1.81GHz when it is supposed to be about 2.4GHz ... (more)
I have an iot/coap environment setup and i want to read input voltage connected to p0.01.I can read the input in terms of resolution(0-1023).I can convert this values to voltage(0-3).I want to read ... (more)
Lately I have been struggling while trying to run "BLE Advertising, a beginner's tutorial". My hardware consists of NRF51822 and PCA1000 dongle. I use SDK_11.0.0 and the example provided at github https://github.com/NordicSemiconducto ... (more)
I am building bootloader. I do not use Softdevice and used example from this topic. Bootloader must read FW from uSD card, update flash and jump to application. uSD card is connected to SPI0 of nrf51. SPI1 is used ... (more)
EDIT: I used a workaround to get my project working but my question still remains. I just used the template project to send data to my app and manipulated the received data inside the app. I must say I was ...
I need to add connectable beacon advertising data instead of normal advertising for proximity profile example (NRF52 DK -> PCA10040 ->S132 -> nrf52832).During Advertisement it should show beacon data and in connected state it should stop.
I tried of doing ,but ... (more)
I want to know Tx power and duty cycle information of Beacon and NRF52 for the following cases:
In our case NRF52 will be our receiver and Beacon will be transmitter.
Consider NRF52 as an master and beacon as ... (more)
I am working with the Raytac BLE Module "MDBT40", which is based on nrf51822.
And I am testing example project "ble_app_uart" in the SDK6.1.0 now.
But there are some problems when I add a new timer ... (more)
i have added pwm into proximity profile example and now i am able to make beep using buzzer with pwm library.Now i want to make some sort of Tune instead of beep.
Can any one help!....Thanks.
Hello: When I try to open an example project from nordik, keil doesn't open some files and I get the following error: "no source": Error: #5: cannot open source input file "............\components\serialization\connectivity\codecs\s130\serializers\ble_gatts_evt_rw_authorize_request.c ... (more)
Hi, i wrote a lot of firmwares for nRF51x22 using C language and they works fine. Now we passed to nRF52 series and we want to use C++ (preferibly C++11) that is more readable, ordered etc... but i got ... (more)
Firstly，the RedMi Note3 DFU failed used by dual bank，however Xiaomi3 Phone can DFU successfully.As the questionlink text mentioned,the process of the RedMi Notes3 Phone DFU stopped at the line APP_SCHED_QUEUE_FULL(). The details over the OTA ... (more)
I am using customized board(Raytac MDBT40) based on nrf51822(flash memory 256k, RAM 32k).
I am trying BLE UART example code of SDK 11.
which path : \nRF5_SDK_11.0.0_89a8197\examples\ble_peripheral\ble_app_uart\pca10028\s130\arm5_no_packs
Now I ... (more)
I am a new user.Now i have a project in which I need to implement a function a host and four devices .I just want to know if i use the example of " gzp_dynamic_pairing " what do i ... (more)
I'm having a strange issue with getting SPI running through the transaction manager whilst running a S140 softdevice (SDK13 w/ nrf52840 5.0.0-2Alpha - I know there's a newer version but it's not being used just yet ... (more)
I am currently working on a project involving the nRF52DK to be a central device.
The peripheral device is based on the Nordic Uart service with minor changes: UUID, access properties...
On the central side, I use ble_nus_c as ... (more)
When using hal_w2_read() and hal_w2_write(), should the 7 bit address of the slave be passed in or the 8 bit read/write address? It seems to me that passing in the 7 bit address works in hal_w2_write().
hello, I am using Keil's uVision 5 v 5.22. Please tell me how to enable FPU. thank you,
Unfortunately the exampled mentioned on the tutorial is nowhere to ... (more)
I just bought the NRF51DK and going through this getting started guide: https://devzone.nordicsemi.com/tutori...
I opened the file
ble_app_uart_pca10028_s130.uvprojx in folder
..\examples\ble_peripheral\ble_app_uart\pca10028\s130\arm5_no_packs of nRF5_SDK_12.2.0_f012efa
I opened the file in ... (more)
i m new in nrf51822 controller so help me for coding of my question. any help will be appriciate. thank you.
I work on a project for the nRF52832 with Keil µVision using ARM Compiler V5.06 update 2 and nRF5 SDK 11.
In a module I allocate quite some memory using
malloc() for signal processing (SP). Upon user request ... (more)
I am trying to move from ARM Compiler v5.06 to v6.4, but I encounter an error, which I cannot handle.
The project builds fine with v5.06. When changing to v6.4 in Keil µVision and hitting ... (more)
Can anybody send me a text file of BLE advertised packets generated by nrf51822. this is my email firstname.lastname@example.org.. i'll be very gratefull
After upgrading to iOS 10, I have been unable to successfully interact with my device using the NUS. I used to use the NUS to communication with the device and retrieve stats. For example, I would send a "T" message ... (more)
I am working on a BLE project, n i have bought nrf51822 BLE nano chip. but honestly speaking i got stuck in installation itself. i have tried the blinky, HRM examples given by MBED and they work fine. But while ... (more)