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...
The device I completed has similar RSSI values at approximately zero distance as my development kit; starting with default Tx of 0dBm from the nRF51822 I achieve approximately...
I am having an issue implementing a WS2812b driver for the nrf51422 using the 210 softdevice. We currently have ANT enabled with a tx master only channel setup. The WS2812b...
What I would like to do is run a basic SPI program that reads data from a register on a non Nordic transceiver chip. My nRF51 would have to act as the master because the transceiver...
Hi,
Which service should I use for temperature non-health related, like room temperature, for example? I have browsed trough the Gatt Specification>Services of the Bluetooth...
Hello,
I follow the tutorial devzone.nordicsemi.com/.../
And in the step of copy examples
I only got ble_app_uart_s130_pca10028
and no package of s110 was found
I'm...
Per my another question:
devzone.nordicsemi.com/.../
I have taken the kind advice of Bjørn Spockeli but to no avail.
I tried this solution to enter debug mode:
...
I want to use the sd_ble_gatts_hvx() to send the notification with a packet, and the length of packet is 12 bytes, but the return value is "0x000C". I tested the length and...
Hi,
I try to run a dual mode(peripheral/central) with S130. I'm using SPI serialization and sending command form an external MCU. I try to follow the example ble_app_hrs_rscs_relay...
Hii all,
I am trying to work with dfu, I developing an application that works with dfu, when I flash the softdevice and bootloader the device advertising as dfutarg and then...
I've loaded the S210_nRF51422_5.0.0 softdevice on my board from the nRFgoStudio.
I compiled the ant_hrm_tx_auto_s210_pca10028 project with no problem. However, when I try...
Hello,
I am developing two systems. One is a peripheral that advertises both a beacon and a ble peripheral custom service (using nRF51822 with s110 softdevice). The second...
Hi,
I am trying to use an nrf51822 with a sensor that outputs value between 0-5V. What I am confused about is how to read input voltage on the beacon. I saw some people...
Hi,
I need to debug my perpheral device, but as I know if I do debug when SD is running, it can cuase the time sync issue, then cause the hard-fault. I know there's a way...
hi ken：
I use Nrf52832(S132) to act as central and peripheral at the same time, which like the project ...\nRF52_SDK_0.9.0_0c82e3e\examples\ble_central_and_peripheral\experimental...
Hi,
I run ADC mudule together with SD, but go into hardfault eatch when I release the HF-clock.
Chip: 51822
SDK : 10.0-alpha
IDE : Keil-472
I use this function...
