If anyone will ever have this error:
When using c++ and singleton the use of operator new is not possible.
I found the solution in this post: forum.arduino.cc/index.php...
Hi I am using Jlink board, when connected to my pc, I can't select nRF5x programming.
Version I am using is 1.20.0.2. I tried the uninstalling everything and installing....
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...
By design, the TI LP55231 LED driver IC will fail the TWI write of the reset register (0x3D). It's necessary to reset the IC in an edge use case. I'm using the nRF51822 HW...
Hi,
I want to write a characteristic, the value size is fixed, for example the size is 4 bytes. When I try to wirte 6 bytes from the client, the first 4 bytes is writed succesfully...
Hi all,
I have the nRF52 DK programming consistently without any trouble both on Kiel and using the nRFgo Studio.
My problems arise when I connect a 3rd party module...
Hi,
im trying to set up 3 PWMs for simulating a RGB LED with the 3 leds on the nrf52-dk.
I need the following behavior:
pushing on a button increases the width of the...
Hi,
I have implemented a custom application(Lets name that file app.hex) which works and sends the data to phone via BLE on my nrf51822 DK. I am using the s110 v8 softdevice...
Due to some constraints in the manufacturing process of my product, there is substantial mechanical variation in the BLE antenna. I can constrain this variation to a degree...
Hi,
I am trying to program MDBT40 with Jlink and having some problems.
Here is the scenario:
I have two versions of the MDBT40. One that I took off a BLE NANO (RedBear...
Hi,
I tried to get the sample ble_app_uart to work on NRF51422_DK with the S130.2.0.0 soft_device.
The compilation and programmation of the board is OK.
The soft run...
Hi all, i recently posted some topics about my application to receive support, everything went good but now i need to add a last step to the project, and i would like to have...
I am using nordic_sdk_10 for PCA10001. what are the BSP changes and config changes needed after replicating PCA10028 for DFU over UART.
I just changed CFLAFS & ASM FLAGS...
Hi,
I am storing data using pstorage module but when i power off my nrf51-dk board, the contents get deleted and not retained in memory. What could be the reason for that...
Hi,
For a new design with nRF51822-QFA, planning to use Johanson Balun and Chip antenna as shown in attached diagram. Not using any tuning components between Balun and...
Hi,
I was wondering why DFU_IMAGE_MAX_SIZE_BANKED is calculated as
(((DFU_REGION_TOTAL_SIZE/2) - DFU_APP_DATA_RESERVED))
and not
((DFU_REGION_TOTAL_SIZE - DFU_APP_DATA_RESERVED...
