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'm trying to do a millisecond counter using app_timer but the callback is never called. I think I have missunderstood how it works.
I've tried using the app_timer...
Hi,
Im trying to send 20 packages of 30bytes each as fast as possible, so I created the following loop:
for( pack=0; pack<20; pack++)
{
w_tx_payload_noack(30, MegaBuffer...
Hi all,
I have a custom board with the Nrf51822 BLE chip and it works in broadcasting mode without connection only. Basically it sends the advertising data on an established...
Hi
I have some problems about using your Master Emulator API. I want to write a dynamic link library with C++, but I don’t know how to invoke the MasterEmulator.dll.
The...
I'd like to use LPCOMP. I'd like to get rid of the 12K pulldown on SWDIO.
I can tell from PCN-082 that QFAA CA and C0, as well as QFAB AA and A0, will let me do that. ...
hello,
I know the ble device ,have central and peripheral and have some name(server/client and Observer/ Broadcaster).
The peripheral(server) has data that is needed by...
I put the boot loader at 0x3a800 and the application at 0x27400. the region from 0x14000 to 0x27400 is all blank (0xff). also
nrfjprog --memwr 0x10001014 --val 0x0003a800...
Hi,
I need to pair with the master after pressing the button in my slave device, instead of asking for passkey. Through the master control panel, i can able to see that,...
Hi,
Actually in our application we have connect accelerometer sensor to Nordic by SPI. I'm calculating power consumption for it. In datasheet it's mentioned for SPI Data...
Hello to everyone,
My problem/question now is about the MasterEmulator. I´m working with the nRF51822(SoftDevice) and i have my own program already working more or less...
Hi
I am a newbie to the bluetooth technology. I want to ask some questions:
How to apply a LLS(lost link service) profile to a bluetooth module?
Can I buy the...
After reading devzone.nordicsemi.com/.../is-there-any-differences-between-nrf51822-and-nrf51922 and the literature around nRF51922, I'd like to know if there's going to be...
Hi,
I've developed an application which sends sensor data through the BLE interface at maximum available bandwidth by checking the BLE_ERROR_NO_TX_BUFFERS return value...
Hello,
I was wondering if anyone has had success communicating with the nRF24L01+ eval kit and a Raspberry Pi. I have found several examples through Google and am trying...