# 23 questions

Tagged
• x
39
views
2
1

## BLE support for having multiple active connections (to multiple centrals) with NRF51822 while it works as peripheral

Hi all, I'm asking on both BLE specification version 4.0 (or more) and NRF51822 S130 about having support for multiple central connections at the same time while our NRF51822 device works as the peripheral role.

Base on the ... (more)

119
views
no
1

## How program beacon OTA

Good afternoon.

I have bought a "nRF51822 Bluetooth® Smart Beacon Kit (nRF6930, Rev 1.3.0)" this is the first time I work with this, docs say that it has installed softdevice s110 with sdk 7.

The problem is that ... (more)

196
views
no
no

## UART communication without CTS RTS.

Hello,

I am using nRF51822 and an STM32 communicating over UART. I want to test UART communication without CTS and RTS so I did the configuration as shown below:

static void uart_init(void) {

uint32_t                     err_code;
const app_uart_comm_params_t comm_params =
{
BLE_USART_RX_PIN_NUMBER,
BLE_USART_TX_PIN_NUMBER ...
(more)

109
views
1
vote
1

## s110 vs s130 for SDK11

i am total beginner to the nrf51822. i am going through the nan-36_v1

app note is using s110 but i can't find that soft device in sdk ? is there any changes has to be done if i followed the ... (more)

116
views
no
2

## sd_ble_enable return error 18

Hi

I use SDK version 12.2.0 to do a project. I add two 128bit uuid into my project. The one of 128bit uuid is created by myself. The other one of 128bit uuid is used ancs by SDK ... (more)

164
views
no
1

## Advertising with device_name Vs whitelisting

I am confused with whitelisting and advertising/scanning with device name

I have a peripheral and a central device, peripheral device is advertising with device name set as 'PERIPHERAL_DEVICE' and my central device is scanning for the name 'PERIPHERAL_DEVICE' (m_target_periph_name ... (more)

269
views
1
vote
no

## How to create a whitelist on the Central device

I want to create a whitelist on the Central device. Because there is a lot of peripheral devices around and I just want to connect one peripheral device. First I register the address of the central device to the peripheral ... (more)

138
views
no
no

## iOS Device show Peripheral Name as DFUTarg after Doing DFU ?

Hello,

I am able to get NRFtoolbox dfu code work for iOS 10.3. and now able to perform the DFU on BLE device.

But when I perform the DFU its GAP name changes from Beam to DFUTarg and it ... (more)

79
views
1
vote
no

## Using the SDK 11 with NRF6310 [closed]

Hello, I'm working with the NRF6310 Motherboard and play with it a little with SDK 6.1, but i want to create profiles with the Bluetooth Developer Studio, so I started using the SDK 11.0 and test with ... (more)

110
views
no
1

## How to read 0x1801 gerneric attribute service in iOS ?

Hi,

I have changed in my services so I have added 0x2A05 (service changed) characteristic in my 0x1801 service. But I am not able to read the service.

In didDiscoverServices I have below code.

- (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError ...
(more)

211
views
1
vote
1

## peer manager limit number of peers [closed]

How do I limit the number of peers that are stored in the peer manager? I don't see a configuration variable. I don't know the addresses of peers before hand, so I don't think the whitelist can ... (more)

206
views
2
1

## S130 Fatal Error after PPI initialization

When I initialize PPI after timer1 has been initialized I get a fatal error (and reset). Code:

const nrf_drv_timer_t timer1 = NRF_DRV_TIMER_INSTANCE(1);
nrf_ppi_channel_t ppi_channel1;
static void timers_init() {
nrf_drv_timer_config_t timer_cfg = NRF_DRV_TIMER_DEFAULT_CONFIG;
timer_cfg.mode = NRF_TIMER_MODE_COUNTER;
timer_cfg.frequency = NRF_TIMER_FREQ_125kHz;
NRF_LOG_INFO("Timer init\r ...
(more)

155
views
1
vote
1

## nRF51 beacon scan IOS? [closed]

HI all Nordic Developers,

Recently, I am using nRF51 DK as a beacon scanner connected to my laptop (Baudrate: 115200), it works fine to detect the beacon broadcast from my android phone. The result format is set to RSSI, UUID ... (more)

275
views
2
1

Hi All,

I do this like that:

uint32_t      err_code;
ble_advdata_t ...
(more)

316
views
1
vote
1

## Program ble_app_uart into Adafruit Bluefruit LE board which uses nRF51822 module

Previously, I was able to program ble_app_uart using SDK_11 s130 into nRF51-dk. Now, I would like to program ble_app_uart into Adafruit Bluefruit LE friend board. https://www.adafruit.com/product/2267

This Adafruit board uses the MDBT40 module which uses ... (more)

1k
views
1
vote
2

## s130 Cental peripheral error 3002 : NRF_ERROR_SOFTDEVICE_NOT_ENABLED

Hi I'm trying to send adc value from peripheral to central. I'm using nrf51822 with softdevice s130_1.0.0 and SDK v10.0.0 .

I'm getting error 3002 which I figured out, it is STK+NRF_ERROR_SOFTDEVICE_NOT_ENABLED. I ... (more)

281
views
2
2

## SPI Master Integration to ble_app_uart pca10028 error [closed]

Hi Guys,

I tried to integrate the spi master project to ble_app_uart. For that I added the missing headers from spi project to ble_app_uart. And also I added the .c files. I changed the include path to get the headers ... (more)

608
views
3
2

## How to use the connectivity board as a BT device in Linux host system?

Hi Nordic support, I check the serialization page (http://infocenter.nordicsemi.com/topi...) And prepare a connectivity board as below for my host system. Detail as below:

Board: PCA10028
SD: S130V2
FW: SDK11-ble_connectivity (prjs location: nRF5_SDK_11.0.0_89a8197\examples\ble_central_and_peripheral ...
(more)

385
views
1
vote
1

## Connected, but not paired with >8 devices?

I am planning to use the nRF51822 and the s130 soft device to manage data coming back bluetooth sensor nodes. It is likely that there will be more than 8 peripherals, although I am fairly confident that not all of ... (more)

691
views
no
no

## peripheral and central

Hi, I am trying to run the example ble_central_and_peripheral_experimental (SDK 9), I program the device with S130 and the hex file. The other two devices I program it with the ble_app_rscs and ble_app_hrs both with S130. In the master control ... (more)

221
views
no
3

## Problem receiving many data from two different characteristics

We have a home made BLE device based on nrfR1822. This one has two embedded sensors sampling data at a frequency of 25Hz.

In regular mode, the device sends every second or so some markers extracted from 25Hz raw data ... (more)

299
views
2
1

## Can i use the pstorage_store in BLE_GAP_EVT_ADV_REPORT ?

Hi,

I'm trying to use the pstorage on a central device.
An event of BLE_GAP_EVT_ADV_REPORT is called by discovering some ble devices while a central device is scanning.
Now, when this event was occured, i call a pstorage_store method ...

(more)

688
views
no
1

## S130 Specification

Any news on the new specification for S130?

I am trying to find out the concurrent power profile. It the power management section it said that it has not be characterized yet. Also the specification is still 0.5.

Thank you

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