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I was wondering if anyone has done any extremely high speed UART work on the nRF51 (or the non-EasyDMA module on the nRF52). I need to improve performance for an existing prototype that has to stream a large amount of ... (more)
nRF5_SDK_12.2.0. app_timer_freertos.c app_timer_stop() call xTimerStop/xTimerStopFromISR with timer_id parameter. It seem to must use hTimer parameter.
Are there any particular practices or instructions should i follow if I want to write a custom library
We are trying to write a library for LEACH protocol and it is a network algorithm and we can't find an ... (more)
Hello, I'd like to store a large amount of data in flash and in a chosen area. As a start, I've chosen the area starting from 0x77000 and ending at 0x78000 Iv'e written this
const tGlobalData romData ...
hello I am on 2 projects the nrf51 and the nrf52 , but I met some problems about the bluetooth on ubuntu and windows . Can you help me please ?
i set the app_timer to fire every 60 seconds app_timer_start(m_Timer_id, APP_TIMER_TICKS(60000, APP_TIMER_PRESCALER), NULL);
Is it possible to get the current couter,for example, after 30 seconds?
I need to have an RTC counter discretized to milli seconds ... (more)
i'm currently try to figure out how to use an Android device as an IPv6 Server through BLe sending UDP packages. One of my collegues tried this example as it was discribed with an Rasberry Pi as edge-server ... (more)
Hi, No matter what I adjust, I can't get the PPK to output over 2.2V. I happen to be using an older nRF52 preview DK (figured it'd be a good use for that board now that it ... (more)
I use the SDK12.3 and SD130 with secure_bootloader and my own application. I can flash SD and Bootloader and update my app over OTA with DFU from NRF Toolbox. My app works fine after updating. I implemented the ... (more)
The NFC function is set to read only in my application. I don't want to wake up my system when someone tap on my device to read the NFC data. (assume this method can save more power)
Should ... (more)
Hello! We use chip nrf52832(QFN-48) in our project and we wont to pass the PCB certification. But we also want to use chip nrf52810(QFN-48) in another project, but with a PCB from the first project. Should we again ... (more)
I have this program running on KEIL 5, what could be the problem with the code and Do you guys have any sample code for mcp9808? Note- I am using the wired connection not a Bluetooth app to sense the ... (more)
how to achieve telec certification
I test using ble_app_uart in example folder.
Test result, I can't connect without nRF toolbox .
How can I connect without nRF toolbox?
I have set up the Cloud Coap example in the Iot SDK using a nrf52 Dk. I have been successful in sending a serialized byte array from the nordic to my cloud server. I need to be able to communicate ... (more)
We designed and manufactured board with nRF52832_QFAA. The NFC pins was configured as IO and connected to sensors. The problem is that we see that those pins get 3.3V with power-up of Nordic. We tried to make different ... (more)
No matter flash is full or not, calling fds_file_delete() and fds_gc() does not free storage. We checked the content in flash are not 0xFF. Moreover, after this issue, always fail to create files or records.
I am trying to set up RTC2 by following an example https://github.com/NordicSemiconducto... I ported it to my project which is running a softdevice on nRF52. It works perfectly fine on SDK11 but has problems on SDK13.0 ... (more)
I need to design a small nRF52 board On 24mm Dia 2-layer PCB, same like nRF51822 Bluetooth Smart Beacon Kit (nRF51822 Coin-Cell design). Please find the attached Schematics and layout files for your reference.
For mono-pole antenna,Layout Reference ... (more)
I want to store the CRC of the current firmware in the flash, for DFU purposes. Almost all of the threads I've seen so far reference the pstorage API but it's no longer supported since SDK12. There ... (more)
Hi! Im trying to figure out the power consumption of two types of beacons that uses nRF51 and nRF52. I have connected a small resistor in between the supply and measuring the voltage drop. In the beginning I observed that ... (more)
i need some helps. I need a device that can connect with one phone only, so i have created a whitelist wih size of 1.
During the life of device the device can be delete the bonding information ... (more)
We are using the nRF52840 and the application is OK now. Then I do the OTA using a Android phone which supports Bluetooth 5 and it's made in our country. I use the nRF Connect to connect the ... (more)
I am trying to measure the ADC on all 8 ADC pins of the nRF52 on the PCA10040. I'm noticing quite large amount on noise on floating lines (up to 0.6V). However my biggest issue is how the ... (more)
I am running the ble_app_uart example in SDK 13.0 with nRF52382.
The app can receive data via UART only when I use "Termite" as a terminal emulator. If I use "TeraTerm", "Putty" and "RealTerm" to send data ... (more)
Hi, I'm having trouble performing a secure serial DFU with the nrf52 DK, I'm using the following components :
I've disabled flowcontrol ... (more)
I've looked around and found similar questions, but nothing has really led me to an answer.
I'm working with the NR51 devkit, Eclipse, and SDK 12.3.0. I'm working on a system that should be able ... (more)
Is it possible to have nrf_log print to the log in nRF Connect? (Or to Eclipse/RTT Client while not in debug mode)
If this question is answered somewhere else and I didn't see it, feel free to point ... (more)
I have some question about ANCS ,when we trun off the IPhone and turn on the IPHONE. The notifcation is disabled. I have to turn OFF the bluetooth and ON bluetooth form ISO setting. Then ANCS notifcation is working again ... (more)
We would like to pass radio certifications and our lab is asking for different tests modes (TX/RX continuous, waves etc ...) regarding BLE and NFC. Regarding BLE, we don't have any problems thanks to radio_test provided by Nordic ... (more)