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,
For our current application we have migrated from SDK 13 to SDK 14. We are using RTOS to handle the functionalities of our application. We replaced our own task for handling...
(nRF51822, but also concerned with nRF52832, SD130, SDK 12.1)
I'm trying to write/erase flash from a bluetooth event handler. As it's been outlined in other questions,...
Hi,
I am just updating my application from SDK13.0.0 to SDK14.0.0.
2 Services are in use: DIS and NUS. To advertise that, I made use of the scan response functionality...
Hi,
I have the D52QD2M4IA-A chip (from dynastream) that has inside nrf52832 chip. It has also builtin an onboard LIS2DH accelerometer. However when I am trying to connect...
Hi,
I am working on nrf52832. I am preparing application where I need to handle central connection with two peripherals and keep tracking time. I know that softdevice has...
The data sheet recommends that both the TWI clock and data lines use pull ups and the GPIOs should be set to S0D1, essentially open collector drive. I can see the need for...
When trying to follow this guide for testing bluetooth mesh on a nRF51 dev-board Cmake returns this error:
../build $ cmake ..
CMake Error at CMakeLists.txt:16 (include_directories...
Hello, I have had luck in Keil making two NRF52 connect with NUS, central and peripheral. My goal is to have one central speak to multiple peripheral at same time via a piconet...
Hi
I have just baught some nRF52840 DK boards,
and I can test the BLE throught between those nRF52840 DK boards successfully.
This indeed help us a lot about research...
Hi,
I am using SDK 12.2.0 with my custom board. As per the my requirement, i need to ground or set logic 0 of my gpio pin no. 12.
So, how can i do this?
good morning to all
I wanted to ask if anyone has a design of nrf51822 where an external temperature sensor is used, to know how the connection to the chip is. Should I buy...
Hello,
I am learning about the behavior of "Notify" transmition.
From some web sites including below, I understood as follows.
devzone.nordicsemi.com/.../
So could...
Hi,
I am new to arm and ble development. I am used to work with AVR mcus and I am trying to migrate a project from AVR to nrf52.
AVR usually has some "General Purpose...
I'm transmitting data packets each of 48 bytes in the form of notifications using Bluetooth 5.0. When I observed the logs over sniffer, I see that the packets are fragmented...
Hi,
iam new to all this and hardly find answers for my question:
Is it possible to pair a nRF51422 with an Ant+ remote especially Bontrager TransmitR and use those remote...
