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...
Hello,
I have a bootloader with a low power wait for power button on startup.
When I do a BLE DFU update of bootloader + SD + appli, the Nordic smartphone application...
hi
I have a application use NRF52832 to scan beacon's advertising and write the advertising data into NRF52832's advertising.
I found the working current is nearly 3mA...
Hello,
I am useing NRF51822-QFAC in my BT bridge project; Now I need to design the matching circuit; there was some recommended matching circuit in the datasheet(11.3--11...
I have a central device that uses BLE to scan for a specific device (there is only a single device it can bond with). Right now it checks the UUID and the mac address of all...
my device giving output as square pulses.but would like to control current from the range 50uA to 500uA of square pulses.how to calculate it. can someone help me
Hi,
I have a question that Product Specification v3.1 of nrf51822 describes Flexible Power Management: 2.6 μA at 3 V ON mode, all blocks IDLE. But, in the same place, NRF52832...
Working on migrating my application from sdk 12.2 to sdk 14
except for some flash issues most of it seems to be working as before, except I notice this message in jlink:...
Hi,
I'm using SDK 14.2.0 flash_fstorage_example_s140_pca10056 with SEGGER on the nRF52840 Preview DK.
As you can see the basic example not working, what I'm writing...
I got the ble_app_lbs example working using SDK 8.0.0, and am now trying to integrate it into my existing project which was based off of ble_app_rscs using SDK 11.0.0.
...
Hello,
I am trying to intergrate the blinky, timer, and UART examples.
Blinky and Timer examples seem to work fine.
When I added UART, linker error starts to show up...
Hi,
Follow answers from here and have many try, not success yet.
Development with GCC and Eclipse, can not reach main() but return "Programe file does not exist" when...
Honorable technician, hello
I am adding a dependency Library for DFU by Android studio,find " compile 'no.nordicsemi.android:dfu:1.3.0' "and “ implementation 'com.android...
As the title says, I'm having problems connecting to my device with my custom board and I don't know what else to do. This is my Layout:
Whenever I upload my firmware...
I found nRF52832 modules like www.ebay.com/.../332270581440 on eBay, but there's no documentation for them except the board pinout. Has anyone tied them? How are they shipped...