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...
According to the way our production and the way we update the firmware.
I will need a bootloader for nrf5340, so I can update the firmware via SPI.
What will be the best...
Hi,
Currently, I'm working with the ISP2053, one of the nRF5340's 3rd models.
As a beginning, my colleague wrote a code based on the throughput sample and I found...
Hi iam using nrf52840 dk board and for programming i use keil software ,the issue is i could not program the dk board and it is a brand new board. When I try to program it...
Hi guys! I'm a beginner of nRF52832, and I met an issue as the topic said.
When I init the UART module, it will cause an "APP_UART_COMMUNICATION_ERROR", and the error code...
Note: this question was previously a reply on my other question, but I accidentally marked it as an answer so the thread got locked. I have now deleted that reply and am posting...
Dear All,
could you explain the function of TP8 and TP9 of the nRF9160 DK on HW 1.0.0 ? These test points are connected to pin 124 and 125 of the nRF9160 which are marked...
I am using nrf9160 custom board with an external flash memory mx25l6433f. I first tested the external flash with the example 'sdk-zephyr/samples/drivers/spi_flash_at45' and...
Hi,
I;m working on nrf52840 dk i have to enable ble5.0 long range.
i set the tx power 8.
according to my project my device will be always in advertising mode and my...
I am trying to scan for BLE devices in my area, but when I connect to the USB840XZ with the windows development tool the "Start Scan" button is not active. There are some...
Hi everyone,
is there a way to update the AWS certificates from certificates.h with the SDK 1.9.99? Following the AWS FOTA instructions it seems that i can update the certificates...
Hello everyone,
I am currently testing the secure bootloader over USB example but I am currently facing an issue when I start a DFU.
Here is my configuration:
...
Hi,
Application details:
I have a datalogger application that samples data every second. It uses the following modules:
TWIM0 -> To communicate with external RTC clock...
Hello,
I am working on application using nrf52810 SDK version nRF5_SDK_14.2.0_17b948a.
Here my application sends 240 bytes of data every 150 ms. But after sending few...
