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15
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Last activity 2017-09-24 11:32:23 +0200 by endnode

Can’t program BT832 Module using NRF52-DK

I have read articles on the forum, watch youtube but still no luck. Actually I failed to find step by step tutorial how to do it from start to the end. Most of them touch wiring stuff only.

Hardware:

  • NRF52-DK ...
(more)

166
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1
vote
1
answer
Last activity 2017-09-21 18:52:09 +0200 by Farhang

What is difference between nRF52 DK PCA10040 v1.1.0 and v1.1.1 ?

I am very curious to know about difference between revision v1.1.0 and v1.1.1 of nRF52 DK.

28
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answers
Last activity 2017-08-22 02:17:18 +0200 by Dave_couling

nRF52 Calibration Task Issues

Hi,

I'm running an ADC sampling every 8msec, sampling the output value of an op-amp as well as a reference voltage. I subtract the two in firmware. I was implementing the NRF_DRV_SAADC_EVT_CALIBRATEDONE task before starting a data capture session ... (more)

45
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no
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no
answers
Last activity 2017-08-09 13:00:09 +0200 by QK-Huang flag of Taiwan, Province of China

ble_app_beacon add DFU

I want to add DFU function to ble_app_beacon example,but I don't know what I should do?Who can give me any suggestion?Thanks. My board is nRF52-DK.SDK is nRF5_SDK_11.0.0_89a8197.

3k
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13
votes
3
answers
Last activity 2017-08-03 14:42:57 +0200 by Nivetha flag of Netherlands

Sniffer for nRF52 DK

Hi,

I got one of nRF52 DKs. Is there any chance that we can use this DK similar to nRF51 DK as a sniffer in near future?

I tried to program the board with the HEX file for nRF51. It ... (more)

119
views
2
votes
1
answer
Last activity 2017-08-01 15:22:08 +0200 by Bjørn Spockeli flag of Norway

nrf_mesh_init/nrf_mesh_node_config causing MESH ASSERT

I am testing out the Bluetooth Mesh SDK 0.9.1 Alpha using the light control client/server example. The examples have not been modified.

I have set up a nRF52 development kit as the client, and a nRF51 development ... (more)

148
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no
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no
answers
Last activity 2017-07-19 02:05:55 +0200 by ChipChipperson

Examples in the NRF52 SDK that show an example of very frequent advertising data packet intervals?

In the examples directory of the NRF52-SDK are there any examples that demonstrate a peripheral sending advertising packets at a very frequent rate?

144
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1
vote
1
answer
Last activity 2017-07-16 16:48:07 +0200 by PB

Secure Serial DFU, app with UART stuck at bootloader [closed]

Hello,

I'm working on an UART application which uses experimental_bootloader_secure_serial bootloader. I've done a similar thing before with SDK-11 (though not a secure DFU) and after getting through building a secure bootloader, signing, etc. I was able to ... (more)

107
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no
answers
Last activity 2017-07-12 08:07:45 +0200 by Mike Wirth

nRF52 BLE debugging tutorial (e.g., using error logging macros)

Folks,

Have been using Keil MDK Lite in the past, in a Win VM. Larger code (over 32KB) plus the convenience of running without a VM layer have led me to switch to NetBeans/gcc/gdb directly on my MacBook ... (more)

57
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1
vote
2
answers
Last activity 2017-07-03 15:39:13 +0200 by Stian flag of Norway

Recover DK-Interface IC Firmware

Hi there,

I'm using a nRF52-DK for a while, but now I made a bad misstake: overwrote the interface firmware. I pressed accidentally the RESET button and flashed a wrong hex file. Now it does nothing, no blinking LED ... (more)

35
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no
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no
answers
Last activity 2017-06-30 17:30:36 +0200 by Steve H

RTT Viewer colours

Hi all,

I am finding that the RTT Viewer is very unreliable at changing colour when sent commands from two different nRF52-DK boards. The text is coming out correctly, but the colours only change intermittently. I've tried dropping the ... (more)

77
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no
votes
1
answer
Last activity 2017-06-28 16:37:41 +0200 by binhnguyens

Add UUID to blinky example

Hey, I'm just wondering how to add a UUID to the blinky example peripheral?

I want something like the heart rate sensor where its advertising BLE_Heart_rate_sensor. I'd like to make the blinky advertise BLE_blinky

73
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no
votes
1
answer
Last activity 2017-06-22 06:33:39 +0200 by pawan_v61

unable to send data from uart ble for every 10msec

hello, I am using nrf52 dk. I am doing a project that uart send the adc data through bluetooth to nRF UART v2.0 app for every 10msec. but when i am transmitting the data the bluetooth connectivity was lost ... (more)

222
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8
votes
3
answers
Last activity 2017-06-03 13:02:13 +0200 by pawan_v61

is nrf52 dk support 3 wire spi interface [closed]

hello i am new to spi, i am doing project on 3 wire spi interface. I am using 3 wire interface as Sclk,ssn,MOSI pins only , I am not using MISO pin .I am tested spi example code but ... (more)

30
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no
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no
answers
Last activity 2017-05-27 12:14:13 +0200 by pavanvulichi

3-wire Interface on nRF52 dk [closed]

Is nrf52 support 3 wire spi interface? I am using AD9837 3-wire spi module act as slave and nrf52 dk act as master. I am using SCLK, SSn(i.e.,Fsync) & MOSI pins only.I want send a commands from ... (more)

68
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1
vote
1
answer
Last activity 2017-05-22 11:02:10 +0200 by Petter Myhre flag of Norway

Join SPI and IPv6 over BLE

Hello!

I have the board PCA10040 (nRF52 DK).

I designed two different programs:

  • SPI: I'm using the SPI communication to communicate with an external sensor (accelerometer). I used the latest SDK version: v13.0.0.
  • MQTT publisher/subscriber: I ...
(more)

94
views
no
votes
1
answer
Last activity 2017-05-22 08:42:27 +0200 by Jørn flag of Norway

nRF52 DK antenna gain

Hi everyone, I need to know the gain of the BT antenna integrated in the DK for nRF52. Can anyone help?

Thanks, Alessandro.

102
views
no
votes
1
answer
Last activity 2017-05-19 20:56:28 +0200 by Daniel Wang flag of Korea, Republic of

nRF52840 DK 2016.49

We have received few nRF52840 preview DK. And one among them has a white sticker label which says 2016.49 and all others have 2017.14.

Should we be using the ones with 2017.14 (assuming this to be latest)?

94
views
1
vote
1
answer
Last activity 2017-05-18 08:21:20 +0200 by endnode

read slave address in iic(twi) using TWI_scanner example

hello,I am testing twi scanner example of nrf52dk.I want to read slave address, the sda & scl pins are 26 & 27 respectively. I am connected PCA9536 module as slave & address of that module is 0x41.I want to read ... (more)

84
views
2
votes
1
answer
Last activity 2017-05-17 10:27:43 +0200 by endnode

how to change the Radio transmit power of nRF52-DK?

Hi,

I am a hardware designer. I have little knowledge about firmware or software. Now I want to apply the nRF52832 to an ultra-low power application as a beacon.

I am testing the nRF52-DK using the original code of "nRF5_SDK_13 ... (more)

62
views
1
vote
no
answers
Last activity 2017-05-16 23:21:41 +0200 by RK flag of Singapore

Changing Ad Packs

Hi, I'm trying to change ad packets in the blinky example. I want to be able to keep blinking but change the ad packs (don't know if this make sense, but main goal is to change the ad ... (more)

104
views
3
votes
1
answer
Last activity 2017-05-12 11:21:29 +0200 by endnode

changing advertisement packet

Hey, I have my nrf 52 dk. I have soft device v3 on my nrf 52.

I was doing a blinky test with two boards (one central and one peripheral)

I was just wondering how to change the advertisement packet ... (more)

85
views
1
vote
1
answer
Last activity 2017-05-10 20:47:21 +0200 by binhnguyens

manufacturing specific data is not changing

We followed the instructions for the beacon example for nrf 52 dk.

Multiple attempts to change and reset the board, there was no change in the ad packet.

Can someone help?

nrfjprog -f nrf52 --memwr 0x10001080 --val 0xabcd0102 I used ... (more)

155
views
2
votes
1
answer
Last activity 2017-05-10 10:50:38 +0200 by Sigurd flag of Norway

why is this code not running in nrfjprog tool

the code is nrfjprog -f nrf52 --snr <Segger-chip-Serial-Number> --memwr 0x10001080 --val 0xabcd0102

I am doing the example https://infocenter.nordicsemi.com/ind...

I am able to get everything up to step 2 of the second part and the command above ... (more)

57
views
1
vote
1
answer
Last activity 2017-05-07 09:43:15 +0200 by pavanvulichi

data sent from nrf52dk to mobile app through bluetooth

hello,i am using nrf52 dk, & am working on bluetooth uart & looking for data is send from mobile to nrf52 dk board. i am having examples of data is sending from board to mobile nrf Tool app. But i want ... (more)

33
views
no
votes
1
answer
Last activity 2017-04-12 17:49:29 +0200 by Steve H

Using ESB and Serial together on nRF52 [closed]

Hi all,

I am using a nRF52-DK board to receive data from the USB port using Serial, and transmitting it using ESB to a second board. If I use either Serial or ESB individually, it works fine. I have a ... (more)

587
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no
votes
no
answers
Last activity 2017-04-07 16:19:54 +0200 by kamisen

Using the DFU SDK 12.1 with a BLE command to jump to 'bootloader' works every other time with nordic connect app

We have been using the DFU that came with the sdk 12.1 with a modification (essentially removing the button from the DFU code). We currently send an application command that will tell the code to 'jump' to the bootloader ... (more)

101
views
1
vote
2
answers
Last activity 2017-04-01 03:19:27 +0200 by RK flag of Singapore

Why pin logic on NRF52-DK is interchanged?

Hi, I develop application on MBED platform with NRF52-DK. I figure out that pin "logic" on this board is interchanged. For example. I have LED connected to some pin. When I set this pin high (set 1) then LED light ... (more)

223
views
2
votes
1
answer
Last activity 2017-03-23 17:23:05 +0200 by erltot

Sharp Memory LCD LS044Q7DH01

Edit: The code posted below works on the 96x96 3V(LS013B4DN04) variant of the display, I still have no idea why it doesn't work on LS044Q7DH01, but I'm guessing it doesnt have much to do with the nordic ... (more)

66
views
1
vote
1
answer
Last activity 2017-03-21 17:53:31 +0200 by endnode

DK: use internal device with external device connected

Hello,

Can I interact with the internal device of the nRF52 DK (PCA10040) while an other nRF52 connected through the P20 (or P19) connector? The JLink tool has a "device" command but I don't known if it can be ... (more)

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