Hi Hakon.... when i compile my project i get some linker errors,
._build\gzll_host_ack_payload.axf: Error: L6218E: Undefined symbol __main (referred from arm_startup_nrf51...
I'm trying to perform communication between my device and iOS and I ran into some problems. For tests I'm using iPod touch 5 with nRF Toolbox and LightBlue apps and nRF51822...
I've been using Master Emulator API 2.1.3 in Visual Studio 2010 Express, and have spotted a fix I may need in 2.1.5 so I've switched to using the 2.1.7 API. However, I've...
Hello,In normal condition, I use UART,pwm,spi an so on.Now I want to clear the configuration, and enter System ON mode.But I don't want to system reset.
How should I do...
Hi, everyone~
My goal is to collect data from 4 sensors simultaneously using iPhone.
Now, my testing code for sensor nodes is working fine. It was built based on the...
I am an android developer and I am using your nRF Master Control Panel (BLE) product as published on Google play. Below is the link to the app:
play.google.com/.../details...
I want to build a USB dongle, so I purchased the nrf24lu1+ development kit. However, in order to program the target board, it would seem that I need the nrfgo. Is this correct...
Hi,
In order to read values from TH02 sensor(Address: 0x40) I first need to give a command i.e. write 0x01(for temperature) and 0x11(for RH) resp into internal CONFIG register...
What is the least expensive J-Link Model is required to program a nRF52840 on a custom commercial PCB?
I see that it is a ARM Cortex-M4 core, but I want to double-check...
Hi
Im using nRF52832-QAAB0. SDK 15.3. Softdevice is running.
With debugger connected, calling nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_STAY_IN_SYSOFF) will assert in...
Hi everyone. Do you know any example of some over the air FW upgrade of nrf52832 chip via ESB protocol. As I understand it should be some combination of bootloader with DFU...
Hello,
We have selected nRF solution for our next product line and currently evaluating the software/SDK setup for that.
We are testing following SDKs:
nRF5_SDK_15.2...
in SDK 15.3.0, no eddystone lock event (NRF_BLE_ES_EVT_LOCK) is triggered after the unlock key was changed.
according the eddystone configuration specs:
A single byte...
I use example ble_app_uart, SoftDevice sdk 6.2.1, when receive data from bluetooth, then drive IO pin 18 to send infrared wave.
received data is Infrared raw formate, which...
Hi,
Our product uses Fanstel BM832 chip. As per https://www.bluetooth.com/develop-with-bluetooth/qualification-listing/qualification-listing-fees/ , should we opt for Innovation...
Hi
I am using TH02 for temp and RH measurement
I understand I must use TWI provided in SDK. However, I a working have c++ library(Wire.h) for I2C that I used with Arduino...
Dear All
I am right now working on BLE development with nRF52840DK. I checked a number of materials, including official specification from Bluetooth SIG, but none of them...
Hi,
I need to read a couple of external inputs - think buttons (although it's actually a sensor with relay output). It's for a prototype obviously.
I need to connect at...
Hello,
I have an application that advertise specific data. Data is long enough that I cannot fit my 128bit service UUID. I think of 3 options:
1. Use my service UUID but...
Whenever I store my data in Flash using FDS (Flash Data Storage Library) it stores a random value (but fixed) even though I am giving it a value.
I run the same thing in...
Hi, As the title states when I try to add characteristic to my custom service the function returns error 16. I have set NRF_SDH_BLE_VS_UUID_COUNT and adjusted the linker accordingly...
Good day,
I am starting a new project where I am using the ANNA-B112 BLE device from ublox in a custom design. The ANNA-B112 interfaces with a host MCU over UART. I would...