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...
Our application is a smartband based on nRF 51822 with SDK 9.0 S130, and we found that the device will stop advertising unexpectedly (application is still alive). We have...
Looking at the radio section of the nrf52832 data sheet I see that in section 21.1.2 Packet configuration it is stated that
"For all modes that can be specified in the MODE...
Hi everyone,
Just a brief introduction about my system, I am currently working on Brain computer Interface which was funded by NSF. In our system we have Sense electronics...
hello there , i have put my nrf51 dk in system off mode.then i am generating interrupt using button 3 to wake up it. but my nrf51dk can't wake up. can you hel p me??
my...
Hello.
I use nRF52 DK, S132v2 and PCA10040.
I want to get timestamp like GetTickCount of C++.
When I searched Documentation, I found RTC what can do like GetTickCount...
Hi,
When I finish coding, I can generate .HEX file for all products. But for real mass production, I may need to flash a seperate serial number in somewhere for each PCBA...
I'm trying to transfer a txt file by sending it from a terminal to my NRF52 DK with the BLE_UART example. I always get a BLE_ERROR_NO_TX_PACKETS avter a few packets though...
Hello, everybody. We have a custom board with nRF51288. We also have code based on ble_template that is working on Nordic devboard and dongle. Code is also working on our...
I am having difficulties porting the SPI Master demo to an S130 Soft Device on SDK 11.0.0. From the looks of it, there seem to be some issues with interrupts but I am unsure...
Using S130,
Central device,
Manual whitelist,
custom hardware.
Manual connection to 1 or 2 peripherals depending on a switch position.
This device is a central that...
hello there . i want to do something like when i press button advertisement starts. when i release button advertisement stops. can anyone tell me how to do this?? any sample...
Looking at Table 40 in the nRF51 Series Reference Manual v3.0, the Memory Protection Unit prevents request sources in Code R1 from writing to RAM R0. But if the request source...
I am facing the below issue that no source is available for "0xffffffff" when i try to debug the program using eclipse
I am using softdevice s110 and have flashed the...
Hi, I developed a sensory application which works together with the Master Control Panel (3.6.0.8331).
On the sensor side I am using the S110 (7.0.0-3.alpha) in combination...
Hi all,
i want a security check on connection that permits only to users that have a password to connect to my peripheral device and, particularly, to read/write on services...
