Hi guys,
In the iot sdk in mqtt.h there are typdefs for "mqtt_topic_t " and "mqtt_subscription_list_t".
I'm trying to set several topics (5) and subscribe to them.
...
Hi,
I am using nrf5832 that is running a coap server example.
I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback.
...
Hi,
I would like to receive some suggestion about finding a CHEAP smartwatch / wristband already available that has these minimal features: BLE (with SDK / GATT profiles...
Compiled with Keil4 software compilation and C of the mixed program, the error is:Branch offset 0x00000228 out of range of 16-bit Thumb branch, but offset encodable in 32...
Hi,
I am currently working on a prototype with Silicon Labs Thunderboard sense. I am looking for a replacement product that has NRF BLE module. All I need is a BLE module...
I would like to hide BLE advertising from normal BLE devices.
And only be able to see such advertising with dedicated scanner.
I was thinking of changing access address...
Im making a project were i have two robots each one with a device connected with a mobile phone. But at same time i want that, when they are near each other they exchange...
Hello All
Currently i am using nRF51422-DK (PCA10028) Board .I am planing make mesh network using nRF51 devices.i go through the mesh network introduction document which...
Hi,
I'm trying to set a button as an interrupt source. I wrote this code:
void Init(void){
pwrmng_MainStatus = PWRMNG_STS_STARTUP;
//LED
#ifdef DEBUG_LED
nrf_gpio_cfg_output...
I want to read the status of LFCLK,but I find that ,the value I have readed is awayls zero! my code is follow :
LFCLK_State = ((NRF_CLOCK->LFCLKSTAT) >> 16) & 0x00000001;...
Hi,
I had done secure OTA in nRF51 DK board using SDK 12.2.0 and s130 2.0.1 softdevice. Now, i am trying to same thing with my custom Board RL-51822-A1.
For that first...
I cloned the demo project inside the Keil MDK5, from the following path:
pack installer
device = "nRF51822_xxAC"
examples = "uart_pca10028, UART_Example_Application...
Hi,
I want to use the nRF BLE Sniffer to detect wether a connection (between my fitness tracker and smart phone) is present or not.
I am able to get the advertisement...
hi,
I am struggling to create custom service to send the simple message to the client device where both devices are nRF52832 (Server and client). when I receive the message...
I have 2 of the nRF51 Dev. kits and have been ble to run Blinky, BLE_UART and set up the 2 dev kits so that I can send data from one DK to the other and to an external board...
Hi,
I tried to flash the mbed FOTA bootloader on my nrf51 DK. I copied the bin file to the bootloader device. It said the storage on the device is to small. Now it won...
1- I am looking for Bluetooth Chip to control a DC Motor.
2- This Chip need to be small since it will be fitted on a small narrow PCB (10mm width x 110mm long PCB).
3- Chip...
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...
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...
Hi,
I found a suspicious line of code.
SDK: nRF5 SDK 13.1.0 (7ca7556)
File: peer_data_storage.c
Function: pds_peer_data_read
At line number: 415
if ((*p_buf_len...
Hi,
I made a custom board with nrf51822 and custom antenna which works fine for examples which use SDK10 + SD110.
For my application it was recommended to use SDK12.3...