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...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
dear all：
I use the spi slave mode. i have a question,pls help me.thanks.the questions as follow:
I want to distinguish instruction type, and then reply to the corresponding...
Hello,
I am working on nrf51822 SDK 9.0 and softdevice 8.0 . I got the application note to create a custom profile for SDK 5.2.0 and softdevice 6.0.0 in nAN-36_v1.1 . ...
Hi: We develop our program based on (nrf51822 QFAAG0 1403AL), I found a serious problem that our new IC is (nrf51822 QFAAG2 1415AF), and the old program can't run on it any...
Not sure where to post this...
but there's a minor bug in components/toolchain/system_nrf52.c, where NRF_UICR->PSELRESET[0] is being checked twice to see if a reset pin...
While ota dfu via nrf toolbox android app, it sends wrong (0x15918) image size in start packet, and also bootloader starts writing softdevice image at address DFU_BANK_0_REGION_START...
Hi! I want to make a BLE network with 1 master (nRF51-DK) and multiples slaves (nRF51-dongle). I`ll send differents commands from master to slaves. This is for home automation...
Hello,
I am writing an application using SDK version 8.1 where I have a pin using the PORT event in nrf_drv_gpiote library. I have a need to disable the event temporarily...
I am encountering a problem with GPIOTE PORT events on the NRF51422 in a custom design. The chip occasionally seems to be able to get into a state in which the registers are...
Hello Guys,
I successfully used ble_hids_mouse and ble_hids_keyboard on my hardware but my final solution is a mouse + keyboard combo.
I merged the mouse and keyboard...
Hello,
I want to secure a link between 2 NRF51 (man in the middle and privacy with AES).
How to do that ? (I can use a static key in this application)
Most of the...
I want to create a single hex file that I can use to program the SD, DFU, and my application. I know I can use mergehex.exe to merge these files. To make it so that the bootloader...
Can anyone pls explain what is relation between advertising interval and advertising timeout..
Consider now i am setting advertising interval 1 second how i can prove or...
Hi Nordic,
I have got two PCA10028 boards and have a problem starting BLE on both.
I use latest Keil (5.16) and try to start ble_app_uart_s110_pca10028/ble_app_uart_s130_pca10028...
