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I'm using nrfutil version 2.0.0 and have noticed a strange bug today when generating a new signed application image for bootloading.
If I have a version number of 0207 or below, it works. If I have a ... (more)
hello , I am new to SPI protocol.I am using NRF52 DK &nRF5_SDK_13.0.0_04a0bfd( pca10040) using keil-5. I want spi master example code. Can any one suggested me where I find the spi master example code, Because I have ... (more)
In my application, a peripheral will be connected to many central devices, and the application includes buttonless dfu service.
It needs pairing (encrypted connection) but no bonding.
nRF52832, SDK12.2.0, s132
The settings in my project are listed ... (more)
nRF51822 had been used in my project, because of dual bank bootloader and softdevice, the internal flash memory was not enough for the application. I want to know how to expand the flash memory.
I think a external ... (more)
Hi there, I need to add more the function based on Bluetooth, and I need the better security of the function. However, I do not want others read flash data freely and I hope only through my certification could the ... (more)
hi, I would like to use pwm to output the 1HZ waveform to drive the motor, but when I set the frequency to be 1HZ, I can not find the device and cause 51822 to reset. This is my code ... (more)
I download "nRF5_AirFuel_SDK_2.2.0_7b89a57" and use "ptu_app_beacon" development, I am currently using "nrf51822-QFAA" and "nrf51822-QFAC", how do I set up IROM and IRAM?
I implemented my profile based on GLS example. my profile has five services and every services have several characteristics. Pairing with several smartphone work properly. But when i added another service (ANCS or DFU service), pairing problem was coming.
pairing ... (more)
By mistake, I clicked 'fill with zero' button in Jflash, may I ask, is my chip bricked because of this? Thanks.
The following lists my steps:
1) program the softdevice 4.0.2 in jflash
2) compile heart sample ... (more)
I'm developing an accurate and low drift millisecond-resolution timer on the NRF52. I'm limited to the resources on the NRF52 itself. Details of the system:
I have four of the nrf52 DK's. I lost two of the NFC 13.56MHz antennas.
Can I get/buy two from Nordic?
I have a small PCB I'm prototyping/assembling, based on a nRF52832 with a few sensors. Looking for someone here to help me with writing basic firmware for testing the board. This could be a contract gig. I'm ... (more)
how i can write to MMA7660 registers in twi_master_using_app_twi example SDK?
A theoretical question at this point, but I read that there are some possibilities to set a Passkey or OoB, but I am more interested in skipping the entire Pairing process and set or change (if the pairing process ... (more)
I was able to use the fds with the help of good people here , I am trying now to save a word into memory.
As I see in the docs, the only way to save data is by uint32_t chunks ... (more)
Is there any way to fix it? I tried clearing all the memory using nRFGo and tried dumping example code but it failed by giving errors whose link for the screenshot has been posted in the details.
I lost my antennas. Where can I buy compatible antenna for my two nRF52840 Preview DK's ?
I've merged the experimental_ble_queued writes sample code into my project and am testing the long write characteristic with nrfConnect from an Android phone. I get no errors anywhere, everything seems to work fine, except I never receive the BLE_GATTS_OP_EXEC_WRITE_REQ_NOW ... (more)
hello, i am trying to compile libmbedcrypto.a but the Make file is pointing to a non existing file called /mbedtls/sha256_alt_cc310.c. Any idea where i can find this file?
Thank You Nav
Hello, I want to send the data via the advertissment frame. I want to know if code example that does this.(i use nrf52" nrf52832") thank you
I have to sample audio signal from a microphone (MAX 9814 adafruit) with the nrf52 board. I use the saadc and then I perform a FFT of the data using the sdk 13 examples. My idea is to sample ... (more)
I am trying to save an UART variable I am receiving. My case is very similar to the example Flash Write Example, but I would write few bytes instead of the whole flash page it is possible?
My ... (more)
Hello, I was trying to load code in pca10028 and I started getting error as "No cortex M Sw device found". It was working properly but later it started showing me this error. I read the solutions provided on devzone ... (more)
I have written a simple implementation for using the ccm module with mesh. It encrypts and decrypts as it should but when enabled the processor makes a soft reset. It happens quiet often but not on every sent or received ... (more)
I'm currently writing my thesis, and my goal is to establish a network protocol like IP. We need to transmit about 200kB of data between 2 or more nodes once every 10-30 minutes.
My current approach is to use ... (more)
I'm working on a custom board using gcc and eclipse.
My primary problem is I'm fighting with the ld settings for the secure bootloader. I activated the RTT which led to a slightly larger HEX debug ... (more)
hi, I follow the pwm routine, 51822 can work and output pwm, when I want to change the frequency of pwm encountered a problem, the program reset. I use the method when i need to change the pwm frequency when ... (more)
Good morning, this is Algocraft, an italianWN_list_devices_may2017.pdf high tech company whose core business is to develop, design and market a wide range of professional systems dedicated to the manufacturing and testing of electronic boards.
The purpose of this ... (more)
I'm trying to use the nrf52832 with a sdcard application in SDK_13. I based my code on the example provided and managed to get the sd card working without any problems.
However I am now trying to get ... (more)
Good morning, this is Algocraft (www.algocraft.com), an high tech company whose core business is to develop, design and market a wide range of professional systems dedicated to the manufacturing and testing of electronic boards. The purpose of this ... (more)