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23,748 questions

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Last activity 2017-07-23 19:59:11 +0200 by Jina Calhoun flag of France

Purchase CBD Oil From Hemp For Health Impovement

If You're like many Individuals with health issues and searching for alternative solutions online, you might have heard of people using CBD oil from hemp as a health aid.<br><br>Is this a valid health aid For somebody ... (more)

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Last activity 2017-07-23 18:12:06 +0200 by bugg

I am in the nrf52-DK board, download S332 SoftDevice v2.0.0 and SDK12.3 in the experimental_ant_bootloader routine, can not enter the DFU mode. How can I operate to enter the Bluetooth DFU state?

Hello, nordic team; I want to create a DFU for the ANR + BLE device in the nRF5_SDK_12.3.0_d7731ad \ examples \ dfu \ experimental_ant_bootloader routine.But I use this routine burned into and can not run up?I did not see the ... (more)

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1
answer
Last activity 2017-07-23 18:10:58 +0200 by Mohammad Afaneh flag of United States

Does "nRF5 SDK for Mesh Alpha 0.9.1" support nRF52840-PDK?

From website, the S132v3.0, S130v2.0.1 and S110v8.0.0 SoftDevices has been supported by Ver. 0.9.1, how about S140 SoftDevices for nRF52840?

8
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Last activity 2017-07-23 15:54:42 +0200 by Jim

about baudrate changing

What is way that change baudrate in ble_app_uart?

I changed the structure in uart_init, but it did not change.

Below is the code I changed.

image description

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answers
Last activity 2017-07-23 15:17:13 +0200 by endnode

ble central connect a peripheral with passkey

Hi,

I had develop a peripheral with passkey in SKD12.2.0. Now i want to develop ble central to connect the peripheral and communicate with it. i don't know how to implement it. Could you share some reference ... (more)

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1
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1
answer
Last activity 2017-07-23 14:07:55 +0200 by Turbo J

Real UART TX transmit depth?

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)

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Last activity 2017-07-23 13:03:59 +0200 by zvikag

New design for nRF52832

I am planning start to develop new sensor base nRF52832. My question is if it's possible to receive the.DSN file of the NRF52-DK board (development kit) It will be very helpful and minimize my mistakes on OrCAD symbols

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Last activity 2017-07-23 12:24:29 +0200 by J.Kwon

the nRF toolbox does not find a characteristic I have added.

I modified the HTS app in the nRF toolbox to test adding other services like below.

image description

image description

In detail, I added mDICharacteristic field to save the information of System ID Characteristic in Device Information Service.

Of course, ble_app_hts includes dis(device ... (more)

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Last activity 2017-07-23 09:10:12 +0200 by HiberXen flag of Bangladesh

is there any complete code for LPCOM + SAADC working same time?

Hello, i am working on a rotation counter, i am using adc and LPCOM with nrf52832 DK board. but LPCOM code is not working.

static void lpcomp_event_handler(nrf_lpcomp_event_t event) { // Clear event if (event == NRF_LPCOMP_EVENT_CROSS) {

   rotation_int++;
}


// Toggle pin to indicate triggering ...
(more)

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Last activity 2017-07-23 07:30:31 +0200 by Antonio

Is there a way to disable flow control in CLI?

I am trying everything.

In sdk_config: #define UART_DEFAULT_CONFIG_HWFC 0 In the nrf_cli_uart.c I changed it to APP_UART_FLOW_CONTROL_DISABLED,

in the pca10040.h I changed the pins to: #define CTS_PIN_NUMBER 0xFF #define RTS_PIN_NUMBER 0xFF

Please help!

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Last activity 2017-07-23 06:04:56 +0200 by Bryan H

Concurrent connections ble_app_hrs issue

Arm Gcc (using Eclipse Neon) | SDK 13.0 | nrf52 DK (PCA10040) | tried soft device 4.0.2 and 4.0.4

I can successfully compile and run the example -ble peripheral- ble_app_hrs. Everything works as it should including bonding.

I ... (more)

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Last activity 2017-07-23 05:49:32 +0200 by nordicdev

nrf51822 32KB version goes to 0xFFFFFFFE

Hi, I ran the ble central example code on nrf51822 16KB ram version without any problem. But when I run the same code in nrf51822 32KB version, the program flow goes to 0xFFFFFFFE and stays there forever. In both the ... (more)

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Last activity 2017-07-23 02:58:54 +0200 by Alex

I have a nordic development kit, I would like to record in other ICs the firmware to developer my product, are there any tutorials to help me with this?

Hi, I'm building a product with use this kit https://www.nordicsemi.com/eng/Produc... and I would like of know how write the firmware in others CIs to can use in my circuit board. I am beginner with ... (more)

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1
answer
Last activity 2017-07-23 00:11:57 +0200 by Roger Clark

Target name in Makefile pca10028 for nrf51822

Hi, I am using nrf51822 module and sdk v12.2.0. I was compiling code under ubuntu. I observed that pca10028 is configured for nrf51422_xxac target. But i want to use nrf51822. I check some document but i didn't ... (more)

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Last activity 2017-07-22 23:22:48 +0200 by Carl Fredrik Leanderson

nrf cloud firmware update

Hi!

I am playing with NRF cloud and Android phone gateway. I am not able to find out how to carry out firmware update over NRF cloud. Would you please shed some light? (I have buttonless DFU implementation and FW ... (more)

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Last activity 2017-07-22 23:10:15 +0200 by Leo Xu

nRF8001 DateCredits and Packets per Connection Interval

I am working on a project that uses PIC18 and nRF8001. PIC18 is used to control nRF8001 and LCD. The project needs to transmit large data to central ( about 512KB). It seems that the uploading took too long, estimated about ... (more)

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1
answer
Last activity 2017-07-22 20:26:12 +0200 by Lukasz Duda flag of Poland

OpenThread whitelist

Hi,

I'm trying to get the RSSI of incoming 802.15.4 packets using otLinkRawGetRssi(), but I need only RSSI from one specific device. I tried to use whitelist (otLinkSetWhitelistEnabled(), otLinkAddWhitelist()) and I checked in CLI that whitelist is ... (more)

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answers
Last activity 2017-07-22 18:40:18 +0200 by phob

openocd configuration file nrf51.cfg not working

Hi, I am using st-link debugger with NRF51822 module. I was trying to connect it openocd, but it failed. st-link is working with STM32 processor and able to flash through STM32 ST-LINK Utility.<br /> I was got error as follows ... (more)

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Last activity 2017-07-22 17:45:06 +0200 by kont40

Problems with UART running ble_app_uart_c on nRF52832

Hello, I am trying to run the ble_app_uart_c example that is part of the nRF5_SDK_13.1.0_7ca7556 on a custom board with nRF52832 using IAR. Hardware seems healthy, I succeeded to run LEDs and make them blink... I am having ... (more)

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Last activity 2017-07-22 17:38:54 +0200 by MANGO

Wake-up source with nRF52 capacitive touch and current consumption

Hello, I'm planning to try the NordicBlog; Capacitive Touch on the nRF52 series to test a button type or a up-down slider type.

I'm planning to use an nRF52832-QFAA for a new 2 layered FR-4 PCB.

My application ... (more)

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3
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Last activity 2017-07-22 16:39:12 +0200 by Jonathan

ble_app_uart_c on a custom board with NRF52832-QFAA-R7

Hello, I am working on a custom board with NRF52832-QFAA-R7 and trying to run ble_app_uart_c on it. I am using uVision 5.23.0.0

  1. The first trouble that I am facing is that I can't get the softdevice ...

(more)

147
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1
answer
Last activity 2017-07-22 13:30:55 +0200 by Ben Lau

ANCS problem

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)

8
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Last activity 2017-07-22 12:48:29 +0200 by Khan

Different master instances for two slaves in nrf51422

Hi All,

I am using nrf51422, SDK 12.0.0, an SPI OLED display 128x32, and an SD card.

I want to interface an OLED display and an SD card onto the nrf51422. Although my SD card and the OLED ... (more)

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1
answer
Last activity 2017-07-22 12:45:42 +0200 by endnode

Receiving notifications from Android Phone

Hi all,

I like build a smartwatch-like device that can receive notifications from my android phone. The bluetooth device has a oled screen and displays what notification is received. If there is an incoming sms, the screen shows "SMS", if ... (more)

34
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3
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Last activity 2017-07-22 12:03:51 +0200 by SvenS

Linker Error when Compiling Thread Examples with IAR

I'm having some issues getting any of the provided experimental Thread examples to compile with IAR version 8.11.2. I'm using an nRF52840-PDK with the SDK for Thread version 0.10.0. Please see the following image ... (more)

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2
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2
answers
Last activity 2017-07-22 10:59:35 +0200 by endnode

APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, m_tx_buf, m_length, m_rx_buf, m_length));

Hi All,

I am a beginner,Can you please explain me what is the role of this line?

APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, m_tx_buf, m_length, m_rx_buf, m_length));

73
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3
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1
answer
Last activity 2017-07-22 10:56:02 +0200 by xu flag of China

How to Advertising and Scan at the same time

I am now using 52832 to do a project, need to send a BLE broadcast package first, and then start scan, what examples can I refer to?

Attachment is my TX/RX process,and I need to implement the device B image description

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Last activity 2017-07-22 08:41:15 +0200 by Jay

Adding UARTE1 to CLI OpenThread Example

Hi everyone,

I wanted to add a second UART (UARTE1) to the CLI example in the OpenThread SDK 0.10.0 since UART0 is used by CLI but I was not able to find any documentation on using two UARTs ... (more)

14
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1
answer
Last activity 2017-07-22 07:01:18 +0200 by RK flag of Singapore

connection request to a known address

Hi guys, I want to ask if it is possible for a nrf51822 to connect to a Central ( my cell phone) without advertising. Let assume that my cell phone has nrf51822's MAC address from the first connection and it ... (more)

520
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1
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3
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Last activity 2017-07-22 00:51:03 +0200 by Ben

SPI Master MISO Noise Issue

I'm trying to connect to a ST LSM6DS3 via SPI on the Nordic chip. I have used SPI on Nordic with other peripherals but couldn't seem to get it to work with this ST chip. Eventually, after debugging ... (more)

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  • Total users: 23046
  • Latest user: Jina Calhoun
  • Resolved questions: 9858
  • Unanswered questions: 2938
  • Total questions: 23748