23,726 questions

I'm trying to create a connection between Android 6.0 and nRF52832. I created a service, like in tutorial, added it's uuid to adv packet (I seeit in nRF Connection). I can connect to it using nRF Connection ... (more)

Hi everybody,

I will to use the nRF52832 QFAA for a drone, and I carried out this schematic for this chip. I have two questions : For the capacitor C6, which value should be used ? Could you please tell me if ... (more)

Hi there, I've already downloaded ble_mesh_v0.9.1-Alpha SDK and I can use arm-none-eabi-gcc to compile it, one thing I want to know is that how can I switch HWID to 52 in order to build firmware for nRF52 ... (more)

Hi

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.

• First issue

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)

I am looking at using two Nrf52840 on Custom PCBs to create a wireless link from my product to a PC one 840 would be the host and would be wired to the PC using USB (HID,MSC,CDC) and ... (more)

Hi there,

I have nRF52840-Preview-DK eval board. I have downloaded the “SDK 13.1.0”. I was trying out the power management example under the folder “..\nRF5-SDK_copy\nRF5-SDK\examples\peripheral\pwr_mgmt\” on IAR. This example doesn’t work out of ... (more)

Hi, I'm having trouble performing a secure serial DFU with the nrf52 DK, I'm using the following components :

• SDK 13.0.0 : experimental_bootloader_secure_serial example
• softdevice v4.0.2
• nrfutil v3.2.0(standalone exe)

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)

I've setup Eclipse GCC tools for building and debugging as per the nAN-29 app note (and lot of online help) and able to build the code. However, the debugging is working only partially. When the debug is launched, it ... (more)

I would like to know how frequently my peripheral is sending advertising and data packets. I've tried using ble-sniffer-osx but it doesn't actually reveal any device names for some reason, so it's not trivial to use. Is ... (more)

I'm attempting to use Peer Manager with my nRF52832 module as a peripheral with an Android 7.0 phone as the central device.

My program is a mix between the NUS example and the Template (for the PM side ... (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)

Hi, I have an Adafruit Feather52 board which is preloaded with a serial DFU bootloader and the S132 Softdevice, of which I also have the merged Hex file. I would just like to update to the Softdevice S212 (ANT stack ... (more)

Once I call sd_ble_gatts_hvx() while ble connection handle is invalid(BLE_CONN_HANDLE_INVALID), I can never update notification value using sd_ble_gatts_hvx() though function result is NRF_SUCCESS.

Is this softdevice bug?

The expected operation is that the value can be updated whenever sd_ble_gatts_hvx ... (more)

Hello , I am using sdk12.2 and pca10028. I have implemented rtt viewer so that I dont need uart to debug or to print something. I am using uart to send AT commands to esp8266. I have tested individually and ... (more)

Hello,

I'm implementing a custom service and followed the tutorial here. I added a second characteristic by adding its own char_b_init function, creating a CHAR_B_UUID, creating a new char_b_handles in the my_service_t struct. However, only one of the two ... (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)

Hi,

I am trying to develop a custom board using NFR52832 which involves writing data to a NAND flash. To download data from NAND to the pc, a ftdi cable (C232hm) is used. The cable has a ftdi chip which ... (more)

Hi,

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)

Hello,

I'm trying to connect as fast as possible two devices (central : 52832 S132v5 and peripheral : 51422 S130v2), for a given advertisement interval. The central will always be connected to the same kind of peripherals, all identicals.

Regarding this ... (more)

I am trying to decide what Nordic solutions would best support the application throughput requirements seen below. Distance requirements are low (1 meter each link).

I was planning to use proprietary 2.4 GHz for links (1,3) and (2 ... (more)

I found out answers for calculating data rate during connections, which depends upon connection interval, no of packets allowed in each connection and no of bytes in a single packet.

However, how can I calculate data rate applicable during sending ... (more)