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...
My devices in the field have firmware that saves an error code when it gets thrown and then sends it to a central so that I can see if there are errors with devices in the...
Hello,
I am using the sd_flash_write function. If I use this function without the nrf_delay_ms() function (see code below) the data is not being written.
sd_flash_write...
I would like to know if it is possible to log realtime sensor data to flash while advertising. I would like to have a device which transmits real time ECG data over ble UART...
Hi
I am struggling to change the device type on examples setup for nrf51422 to nrf51822.
If I change the setting in "options for target"/device I get the failure message...
I changed the multilink central example to some custom code. However, it seems like I've run out of space. But I don't under stand how this is possible because I selected...
Using gcc-arm-none-eabi-4_8-2014q1-20140314
Using nRF51_SDK_8 Using nRF51 dongle
Build in nRF51_SDK_8/examples/peripheral/blinky/pca10031/s110/armgcc succeeds...
Hi there,
When i disconnect the keyboard, the nrf51822 will restart advertising in directed mode.
And then on_adv_evt() will receive BLE_ADV_EVT_PEER_ADDR_REQUEST event...
Hi,
I want to use BLE for following situation and I wonder if it is achievable.
I have a 3 boards with nrf51822. Two of these boards have mpu6050 sensors connected to nrf51822...
Hi,
I am a little confuse at the moment and wondering if anyone would have any insight on the matter.
I am making a pair of device with s110 and s120. So the s120 will...
Hi,
I'm trying to write my own application based on the ble_lbs example on nrf51822. Recently I've discovered a problem with reconnection to the beacon. I can successfully...
So, we have been developing our firmware (for a while now) against a SoftDevice version called 6.0.0-1 alpha. We are getting close to production time, so we wanted to switch...
I had a product working with S110(BLE peripheral).
I am trying to get same BLE feature working on an product working with S210(ANT)
So I chose S310 to have both ANT and...
Hi devzone...
My setup is nrf51422 dk with soft-device S110 on the server side and on the client side i am running MCP 3.8.0 on a PC using usb dongle.
I am using Queued...
1 sensor per nRF51288.
Sensor supports either 400kHz I2C (10k pull up recommended) or SPI (2MHz typ, Max 20 MHz)
From the nRF51288 Product Specification:
Run current...
I want to use the s130 softdevice because we need the broadcaster/observer mode at the same time. I bought the nRF51 Dongle and the beacon Device.I use the Keil IDE, debugging...