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, 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...
Hello,
i am stuck with this, trying to write to flash using pstorage module. Below is my code.
static void pstore_cb_handler(pstorage_handle_t * handle,
uint8_t op_code...
Hello,
I have downloaded the Hardware Files of nrf51822 smart beacon kit. But I Cant open the Altrium Designer Files (pcbdoc. files). Do u know how to open it or a program...
Hi,
I do test my project one central connect to 4 peripheral(HR and CSC).
and I put the memset(&m_ble_db_discovery,0,sizeof(m_ble_db_discovery)); err_code = ble_db_discovery_start...
Hi,
I use nRF52832 and SDK12.2
The Project is ble_central_and_peripheral and the link define is like below
#define CENTRAL_LINK_COUNT 4
Here will connect 1 HR device...
Hello,
Is it a good practice to modify SDK files?
I mean, do you use SDK as integral part of your project and feel free to modify it, or do you try to avoid it and just...
Hello,
We have connected Nordic+ MPU 9250 and able to read sensor values through UART display, but we wanted to do some excercises and read values, but it's not possible...
hello guys,
i am new in nrf micro-controller. I want to get data from my smartphone and want to write in memory of nrf51822 through BLE. when written process in memory is...
I'm a newby. I'm troubles understanding how to send command to ble. my band have own protocol like this :
if you send 'AB02FF7180' to ble means your band will shock 5 times...
We have a application that use the ADC of nRF51822 to detect a variable resistance (schematic is attached). The current passing through the variable resistor should be around...
Greetings
I am working on an application that logs data to SPI flash device. I am having an issue where it appears that the pin configured as a MISO for SPIM is garbling...
Hi,
I have a running board with NUS service (serial profile). This boards starts advertising until a remote device (android nrf UART app) connects to it. then it starts...
Hi, Nordic
I check this: devzone.nordicsemi.com/.../ , first, it will work when I follow this article. Then I have 2 questions:
it said "If the bootloader LED...
I am working on a project using a BLE Nano and Nordic sdk 8.1. I included the ble_flash.c, ble_error_log.c, and ble_debug_assert_handler.c files in my include path and c source...
I am running the Buttonless DFU example in SDK 12.2.0 on a nRF52832. When I connect with NRF Connect, I can see the DFU control point but I can only enable notifications and...
I learned that paring is consist of 3 phase (Exchange of Pairing Information, Authentication, Key distrbution) and TK, STK are generated at the phase of Authentication and...
