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,
I'm currently testing the bootloader with nrf52832 DK on SDK16.0.0 with Segger Embedded Studio. I followed the guide provided in this link https://devzone.nordicsemi...
Hi,
My project is based on SDK15.3 with NRF52840. I have referred to the "writable_ndef_msg" example to read/write the emulated NFC tag successfully. And I can get back...
Hai ,
In my application i should connect parallel connection and peripheral and central part connections simultaneously.
for this i developed from hrs_relay example .in...
Hello,
I'm trying to program a nRF52840 Dongle with the thread MTD client example by using nRF Connect but I get an error saying I need to add a SoftDevice. I thought...
Hello, I am new to NRF52. I have setup a project under Embitz ide. I can compile GPIO toggle code and program the the code. However when I try an transmit example github.com...
I have 100 samples of string data (Ex: AABBCCDDEEFF:1592636399:1592636399 ) . I am using the flash_fds module. Also, I want to read the read all the samples at once. I am...
Hi,
I am developing the 'buttonless dfu' to the 'hrs freertos' using the SDK v15.3.0.
However, after I compiled the modified code and loaded to the target broad, I got...
Hi
In ble_stack_init(), err_code = softdevice_enable(&ble_enable_params); err_code = sd_ble_enable(p_ble_enable_params, &app_ram_base); err_code is 4.
I use nrf51822 in...
Hi,
I got a nrf5340 pdk, and I download demo Peripheral_Heart_Rate into board, load peripheral_hr.hex into app_core and load hci_open_amp.hex into net_core. it running ok...
Hello. I have one multirole device (device A) and three peripherals (devices B, C, D). Device A connects to devices B, C, and D as a central role, and connects to the phone...
Hi,
I am developing a product using nRF52833 . (S113, SDK 16, IAR8)
I am developing based on the usbd_ble_uart sample.
I use ble, spi, twi, ppi, saadc.
and, I use...
Hi,
On page 420 of the nRF52811 datasheet (v1.0) it states that pin 14 (P0.18) can be either 1) Digital I/O or 2) Single wire output (SWO). The SWO is not mentioned on any...
Hello, In our project the nRF52 resets randomly
we use the NRF52832 with softdevice S332. On the application space we run a FreeRTOS application with 2 tasks. We want to...
Hi,
I am trying to determine whether or not to use a watchdog timer in our firmware. The device is and IoT device, making sensor readings and entering sleep mode for a while...
