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, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
I am trying to create an 80ms pulse by setting a GPIO high, starting an application timer with 80ms timeout and then setting the GPIO low in the timer ISR. I am aware that...
Monitor mode debugging seems to have crippled the CLI over RTT.
Edit: Reflecting further, ignoring the black vs white background symptom - the issue might simply be that...
There seems to be an issue when reading GPIO pins returning false readings. I am using two pins for I2C communication, 26 and 27, I am configuring them with the required configuration...
Hi Everyone,
I am developing a device that needs to record data from ADC onto a onboard NAND memory.
Following the USB MSC example for NRF52840, it seems like the device...
Hi,
I'm working on the nRF52840 DK and running the ble_app_uart example.
I'm connecting to the BLE using the nRF UART V2.0 app and open a terminal.
In the terminal I'm...
Hi, I am trying to connect the GPS module with the nrf52840, and the development kit reads the GPS information via UART, I wonder if there are any examples? I read the example...
Hi everyone !!!
I want to know, is Nordic going to make its Mesh demonstration at CES18 public? I didn't attend it but I'm interested in their demonstration and what tools...
How to write a byte in flash by using
static void flash_word_write(uint32_t * p_address, uint32_t value) function
while in a advertising mode.
I tried to call the...
Hello.
Here is my conditations;
using ukeil 5.
sd132 Version 5.
sdk version 14,2,17b948a
In my project, i am using secure connection. So peer manager...
Hello Guys,
I am newbie to nrf51822 programming. Currently using nrf51822 (raytac's MDBT40) with S130, SDK11.
I am programming the nrf51822 using arduino IDE using this...
Hi,
I'm seeing this error PM_EVT_PEER_DATA_UPDATE_FAILED sometimes and I need to understand what are the options on handling this error except for just asserting it. I...
Hi,
We have to implement a nRF to nRF DFU. On the nRF51 side a have an external memory with two bankers to perform secure update and downgrade using a bank 2. Now, we are...
when scan the BLE device, screen can look the device's name, but the time parameter is means?
ex:
-31 dbm <-> 1010ms
1010ms means? is about dbm power value>
thks...
