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,
Platform nRF52 with SDK 11 (S132)
I use nrf_drv_spi_init to register a Handler (used for screen and SD card so it can be long)
I have sometimes crashes when...
Hello Everyone,
I have deveoped my custom Board using(NRF51) which has four test pins VCC GND SWCLK,SWDIO. I would like to program the custom board. So could anyone tell...
I'm getting the following log messages when I try to initialize the BLE stack:
First from CHECK_RAM_START_ADDR, I get:
RAM START ADDR 0x20002080 should be adjusted to...
Hi,
I want to debug the blinky project on a nRF52 dk (PCA10040) using Eclipse. I strictly followed the instructions as described here: devzone.nordicsemi.com/.../
I...
Hi,
Is there any documentation regarding nRF OpenMesh( nRF51-ble-broadcast-mesh) Security ? Explaining the security of the communication between nodes in the Mesh network...
Hi all,
I'm working on mbed os and I cannot use the softdevice_ble_evt_handler_set and SOFTDEVICE_HANDLER_INIT . Every time I build it, I get:
undefined reference to ...
Hi ,
I am using S120 ble_app_multilink_central example. I have configured UART0 in interrupt mode. I send some command and expect some response. It work very well in starting...
Our product is based on nrf51422_CEAA chip with softdevice S110, SDK 8.0.0, dual bank ble bootloader DFU.
We have modified the dfu bootloader example from SDK 8.0.0 to...
I read a document, "Setting up production test using DTM", "nAN-034 Application Note v1.0".
And, Figure 3 shows how to setup test environment.
But, I cannot find which S...
DCDC_testing.zip
Hi,
I am in the process of reducing power consumption in micro esb mode. I use the following code, just for testing. The following code consumes 18mA unlike...
It is possible to load a new firmware in a NRF51822 PCBA using the Nordic Development Kit NRF51DK?
Do I need a special connector?
This is the beacon Module I pretend...
Hello,
I have a board with an RFDuino on it which uses a Nordic nRF51822 internally. We are seeing a few of them auto-brick when the input voltage dips too low.
My first...
I have a question about the usage of Flash Data Storage, chunks and parsing of the data retrieved from FDS.
How, when and why are you supposed to use "chunks" when setting...
Hello,
I would like to implement an interface with an external SPI ADC using the nRF52832.
The ADC has a RDY (ready) signal that goes low every time a new sample is ready...