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...
When I first got the nRF51-DK board... I was able to see this board on nRFgo. I then added the s130 hex file to it.. Since then when I connect this board, it does not show...
Hi,
Everyone,
I am trying to achieve minimum current level, I can possibly achieve, with continuous BLE transmission
so, I tried running BLE_POWER_PROFILING_APP given...
Hello to everybody.
I've buy a nrf51822 module with a motherboard.
i struggling to programming an uart over bluetooth example but i think something missing.
With nrfgo...
We configured nrf24LE1 as PRX and nrf52 as PTX and the packet sent out every seconds.
The nrf24LE1 will only received the packets every twice packet sent out and both packet...
I tried to use difference Data Rate for testing the transmit distance. Don't know why using the 250k bit is worse than using the 2M bit & 1M bit. The distance will decrease...
I am debugging a small program for the nRF52, which uses the App Timer and communicates over UART. I am trying to keep up with bug fixes, and so I'm using SDK 11.0.
The...
We have an application that requires a fairly quick disconnect (under 250msec) when the RSSI exceeds a threshold, for example -80db. Unfortunately, around 1 out of every 4...
I am trying to program a nrf51822 module using the nrf51-dk.I have made connections as per the nrf51-dk user guide, but sme is not working...
I am using the Vdd of the...
Hello all,
In a network of sensors with power constraints in a room which protocol is the best?
Newer devices seem to use BLE but I don't want to discard good old nrf24l01...
HI, I try to turn on the OLED.
I can not confirm that the lights turned on
I want to change background color.
What should I do?
Currently being output as shown...
I have installed Keil v5.18a
and have installed MDK for nRF51-DK.
Examining the basic LED blink examples showed that in some projects, the 'bsp.h' which would be the header...
I just setup Eclipse and trying to compile.. I was getting warnings.. I think I have installed all the relevant packages.. But still getting following warnings. Am I missing...
Hello! Developer,
Does anyone know how to transfer and store the value as big endian on memory address on nRF51 and send it over BLE to display value on MCP as big endian...
Hello!
I'm trying to get the 16 bit ADC value as 2 of 8 bit array from nRF51 development kit over bluetooth to MCP, but when it displays on the MCP the value is "swap"...
