In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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...
