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...
HEllo
I am using the example TWI_sensor_pca10040 with a main.cpp, and I see that there is some sort of error with the logging that I cannot point out. I get this error...
Hi
I'm currently working on the 10028 DK board, which was working flawlessly until I used the J-link RTT Viewer, and pushed the IF BOOT/RESET-button. Now, when I try to...
Hey,
SHORT VERSION:
Timer (every Second) gets started when connecting (BLE with nRF Connect) to my DK (SDK12.2, Softdevice S132). Timer gets stopped when disconnecting...
Hi There,
We have an issue where our project crashes, but the app_error_fault_handler() callback is not being called to help identify the cause of the issue. We are using...
Hello guys.
I'm newbie to embedded programming.
I'm trying to make device that can measure temperature of other objects. I have a variable resistor. The resistor's resistance...
My BLE application uses my own firmware update algorithm and bootloader, as well as the Peer Manager module. To ensure that I do not delete peer data during the update process...
I am using nrf51 running as a peripheral and an iphone app as central. It works OK when I first use the iphone app to connect to nrf51. Then I quit the iphone app and let...
Application data is stored just before the bootloader. If I do a DFU upgrade with a larger bootloader than the one currently flashed, is this taken care of? That is, is the...
i am using keil mdk5 and i want to use nrf51822.please tell me which software i need for this and which sdk i have to download for this.i am currently troubling with doing...
I'm facing problem while program custom board. I'm using nrf51822 module( link ) & j-link EDU 9.3 version. I think there is some connection issue. Here is my connection
...
Is there any reason why no error is returned when app_fifo_get() fails in app_uart_put() (SDK 12.0.0). Couldn't the lines below:
if (app_fifo_get(&m_tx_fifo, tx_buffer...
Hello,
I'm facing some problems when trying to migrate from secure dfu debug to release mode.
I set the nrf_log to use uart instead of rtt in both debug and release...
