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...
I have a custom beacon application that is mostly idle. Before adding a timer, the current consumption was 3.2uA. After adding the timer, the current consumption jumped to...
So far I've use the nrf gatt module for setting MTU and DLE and seems to be working, however this module does abstract packets and maximum tx time in a connection. There are...
I have incorporated the DTM example into my application. It works as expected when I set the NRF_POWER->GPREGRET and then perform a reset sd_nvic_SystemReset() , then enter...
Hi,
https://devzone.nordicsemi.com/f/nordic-q-a/67024/nrf9160-questions-related-to-immutable-mcuboot-application
From the above thread i learn that MCUBoot is not that...
To get the GPIO binding I can use:
device_get_binding("GPIO_0");
1. I would like to know where in the documentation it lists the strings you can pass to that function...
I am debugging the GPS function and referring to the sample code of the official GPS. As for the code of reading GPS data, I have a question that is the way of obtaining GPS...
Hi,
We are facing some issues between our ble devices (ble version 5) and android mobiles using nrfsdk ("Android-BLE-Library") library. (Version 2.2)
We are able to connect...
I have used two sample applications light / light_switch from bluetooth mesh to get a device with 2 elements:
- generic on/off clent
- generic on/off server
I want to...
Dear Sir,
The target has a non-secure bootloader on it, I'm trying for DFU which has a secure bootloader pkg only. After initiating the DFU, nrf connect app sends successfully...
Dear sir,
Thanks for your help.
In the working state, the input voltage of the battery may drop from 3.0V to 0.4v or even 0.0V. After charging, the voltage will quickly...
Hi,
I am using the Power Profiler Kit (Rev. 1.1.1.) with Power Profiler app (v2.3.1) to measure power consumption on an external DUT. The issue I am facing is negative current...
Hi all,
We have designed a PCB where we use BMD-350 ( which is based on nrf52832 ) , HX711 and the accelerometer ( MMA8452Q ) as primary components. The device is supposed...
I am in the process of integrating the latest SAADC driver into my project and have noticed an issue after adding the errata 122 workaround to my saadc event handler per the...
Thanks in advanced. On sdk17.0.2 examples\ble_central\ble_app_uart_c, I connect a button's one end to nrf52832 pin 24, the other end is connected to VDD. So I have to #define...