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 all ,
i run Serialization application between nRF52840-DK ,it not start up.
how to Debugging this issue? i have been reset connectivity board,the error message halt...
I am trying to connect the MS5611 ( https://www.te.com/usa-en/product-CAT-BLPS0036.html ) using the GY-63 Sensor Module to the n RF52840 with the nRF5_SDK_15.3.0_59ac345 SDK...
Hello.
I would like to know which PCB surface finish would be used for bluetooth application. There are HASL, OSP and ENIG. nRF51822 IC chip and PCB trace antenna will...
Hello All,
We are designing a Tracking device system, for this we use nRF9160 LTE+GPS combo module. this system is battery operated so we need to monitor the battery continuously...
Hi,
I've been trying to lower the power consumption of the MQTT example and followed the guide in here .
1. I compiled the low power UDP example and do exactly all the...
My nRF52832 firmware application transmits data to iPad which converts it into a flowing waveform. The waveform flowed smoothly when SDK13.1 was used. I migrated the firmware...
Hi. I use 15.3.0 SDK and Segger studio.
I test Ant communication
I have a question.
ant_bsc_rx example of Ant plus, there are 2 handler.
ant_bsc_evt_handler is set...
Hi guys,
I’ve got a simple nrf51822 board which does not have any GPIO used - the system is a beacon doing its own advertisement without any intervention. The board schematic...
I am getting started with the NRF51 DK. A previous post suggested that " you should start with the precompiled versions of the examples that include the SD. These always work...
Hi.
I'm useing SDK 15.3 for testing DFU in nRF52832. I've already porting DFU to project ble_app_uart_c. now, I want to run BOOT project,and I'm useing project secure_bootloader...
Hi,
I understand there have been a few changes in the nRF Connect SDK with regards to Secure Boot and SPM.
I've been stuck for many hours trying to understand why I'm...
Hello,
I'm facing an issue when i want to delete some file in my FDS file system. Indeed, sometime, i can find dupplicated file with the same file id and the same record...
hi ,
i just realized that i damaged my NRF52 dev kit debugger chip. it is heating up and not working . the rest of the circuit including NRF52832 are fine. is there any...
I am using sparkfun nrf52832 breakout. I am new to this. I don't have a JTAG programmer so I cant program with keil. Is there an alternative solution for the software used...
I was using Sparkfun nRF52832 board to test my application, programming it with FTDI over Arduino IDE. Now I made my own PCB and found out that the IC doesn't have bootloader...
