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,
I'm currently modifying my Analog Input circuit schematics to improve precision.
I'm adding after my voltage divider, an opamp as a voltage follower to ensure...
i have 3000 bytes of data placed in flash from 0x20000. i want to calculate hmac for the same data.First, can we calculate hmac for such huge data?If yes, then how can i calculate...
I'm using SD 110 and the PCA10001 board.
I make the call to:nrf_gpio_port_read(LED_1), where LED_1 is on, or high. This call always returns a 0. How can I read the state...
Hello!
I'm trying to advertise my custom service. After setting everything up, when calling ble_advertising_init I receive error 0x7.
static m_adv_uuids[] = {0x1523...
Hi,
I ported some SDK code into my device (SDK 10 adapted for S110v7x) where I can successfully Bond my device and use the Services I need (ANCS on my case). I have simplified...
Hello,
I have a project that I want to transfer it from nrf51 to nrf52 (the changes are from nrf51822 to nrf52832). I followed the migration guide. And now it debugs so...
Hi all.
I have phone with nrf Tollbox and central device with DFU, SD130 2.0.0, SDK11.
I would like flash application to central by OTA when I enter password in nrfToolbox...
Hi Nordic,
EDIT: I am using nrf51422, with S210 v5.0.0. Everything that is below is referring to ANT protocol
I want to know if the thing that I am planning to do is...
I download the example of multilink central (S130) into nrf51822 .The central transmit 20 bytes to peripheral interval 50ms sometimes will reset.Anybody know the bluetooth...
Hi guys,
I have the NRF52-DK and want to power only the NRF52. So basically, I want to power it over VDD_nRF.
When I power my DK with a battery and then measure my current...
Hello!
Is it possible to read data sent from ble_app_hrs (peripheral ) to ble_app_uart_c (Central) on PC's serial monitor? If possible, how can i achieve this and which...
Hi,
I programmed nRF52 DK with BLE_APP_UART_SAADC_TIMER_DRIVEN with AIN6 pin as input and is working correctly. But when I programmed the same code in BMD300 the adc count...
I'm running an nrf52832, using SDK 11.0 and the S332 soft device. I've had instances where it seemed my flash data, stored with FDS, was corrupt after a firmware upgrade....
Hi Nordic,
I am having problems knowing what exactly happens in the following situation:
I have a connection established between a master and a slave, and the master...
Hi,
I have started your tutorials and just complement this one. devzone.nordicsemi.com/.../
Now when I tried to download other programs on the development kit, I get...
