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...
Hi,
I am using a gpiote interrupte handle function to send a notification to the master,but I find when the sd_ble_gatts_hvx() function is used,the interrupte handle function...
I have successfully completed dfu using android app, but if anyone can help me with example program so that i can perform dfu using program instead of using toolbox app, please...
On the XLR2 chipset I am seeing that if the RTS output follows the state of the CTS input.
When I load the same firmware in a XLR then RTS does not follow CTS
Hi, I am evaluating the use of ESB(without Ack) and BLE as a possible solution for my project since i have no use of Ack and in Gazell it is mandatory to use Ack. I had heard...
I am working with the nRF8001, and I'd like to create a services.h file that will let me broadcast battery level and as well as allow temperature to be read by a peer.
...
Hello,
I'm drawing schematic with nRF51822 internal LDO. I'm wondering what is the regulated LDO output from nRF51822. I need to connect that with peripherals in stable...
We are using ANT with the nRFgo motherboard as base station and want to broadcast a signal over the largest range possible (> 100 m) to several mobile devices using the Dynastream...
I am designing a ECG monitor device. The data rate is less than 50kbps. I was planning to use BLE for the device design. But I read some documents that say BT classic is a...
Hello,
My 10031 dongle worked perfectly up to the point where I flashed it using MCP. I was able to run simple programs such as blinky, but now I cannot revert to the previous...
I want to set up an SPI communication between nRF51422 SOC (integrated on nRF51 DK) and Arduino board. I know that it is possible since I've read it in various posts and nRF51...
Hello,
I am developing a simple app for nRF51822 which sends notification data to a characteristic with a random value. All seems to work good but while testing in-depth...
i want to modify advertising data by calling sd_ble_gap_adv_data_set, the advertising data include advertising data flag and Manufacturer specific data,the format of advertising...
Hello,
can someone share a piece of code or a hint to the right functions that can enable/disable notifications on all peers? All I want is that the central toggles notifications...
I am using the PCA10031 as a serialisation device connected to a Windows laptop. The PCA10031 is programmed with connectivity_with_s120_1.0.1.hex and I am using the nrf51...
