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...
I am a bit confused about what happens to ACK_PLD when ack payload packets are lost. I am assuming that in case of ack payload packet loss MAX_RT bit in STATUS is set.
...
Hello,
i have a nRF51 DK 1 and the Dongle to test and try some BLE applications.
Now i want to test how long does it take to establish and close a simple connection.
...
Hello,everyone,I encountered a confusing problem.
My device is nrf51822. I want to test whether the communication between two equipments is normal . So I choose one as central...
I am using a nrf51822 based tag and Android official SDK to implement my custom app. I perform the following steps:
1. Scan
2. Connect
3. Discover services
4. Write...
What CRC type is used for the crc calculation with the function
uint16_t crc16_compute (const uint8_t * p_data, uint32_t size, const uint16_t * p_crc )
of the nRf52 SDK...
Hi
I have a prototype of a board that uses a nNF52832 to communicate over Bluetooth, the board has some buttons intended for user input.
As the board size is little...
Hello!
I am sorry to ask a simple question that why my device can't program the ".hex" file about the demo of ble_app_hrs_rscs_relay_s130_pca10028 after I have already program...
Hi,
I have Wifi MCU connected to nr51822.
I download the binary file from a Cloud and need to transfer it via UART, so i need a C code of the nRF5x Programing tool....
Hi,
I am not able to make software breakpoints working with a Segger J-Link probe.
As an exemple, here is my assert callback function:
void __attribute__((noreturn...
Hi.
I'm using nRF51822QFAC, SDK10.0.0, S130.
I want to use DTM code to get SIG certification.
In your example, there is no source code for S130 but S110, S120, S310....
My BLE application needs to occasionally (1-2 times a year) send large amounts (several kbytes) of data, and I'm wondering about how to make this happen as fast as possible...
I am just wondering if anyone else has seen this issue.
I am working on the ble_app_uart_s132_pca10040 on the nRF52 DK.
Using the Android UART v 2.0 app I can connect...
Hi:
A peculiar problem:
I configured an Arduino (atmega328P) to be a receiver and an atmega8A to be a Transmitter Things are fine. The Arduino receives a 10 byte string...
We are developing a beacon device with 10dBm power amplifier. During software development we noticed the control signals provided by ble_common_opt_pa_lna_t align poorly with...
