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...
Hi:
i use ble_app_uart project and want to change the UUID lenth(128 bit) to be 32 bit;but i change "nus_base_uuid" to be 4 byte and change "uuid128[16]" to be "uuid128[4...
Hi,
Does hardware that has already a Qualified design Listing (Bluetooth.org) requires re-testing of the RF-PHY ?
(refering to transmitter tests (i.e TRM-LE/CA/01/C (output...
Hi,
Im using a module NRF24L01 + LNA bought off ebay, connected it to msp430 via SPI interface. All spi communications are going solid, I manage to completely configure module...
I am trying to create a file and write to it during runtime. When I use fopen with "w" option to create a new file, the file pointer is always retuned to be NULL.
Is there...
Hi,
I recently tried SDK7.2 on PCA10028 board in order to make sure that SDK7.2 works well before I migrate my project to SDK7.2 codebase. My project code didn't work as...
Is it possible to do OTA from one nRF51822 to another? Is so how, and is not why?
I am using S120 and S130 for my applications and would like one device to uppgrade another...
Nordic has provided a good SPP implementation over BLE.
devzone.nordicsemi.com/.../
However, will it raise power consumption and cause BLE to lose its low-power characteristics...
When trying to do a direct advertise massage ( sd_ble_gap_adv_start ) I get error code NRF_ERROR_INVALID_STATE (Invalid state, operation disallowed in this state). This is...
Hi Team,
In my application UART is used.
I need to send parity bit based on particular responses that I need to send to the device
connected to UART.
Can I change configuration...
Hello,
I'm working with timeslot API (basing on github.com/.../observer) . I have an advertising and active scanning running concurrently. However, I want to completly...
I am using nRF51822 to generate 3K HZ PWM signal for a buzzer.
I read other people's question and try it.But as far i can't solve this issue.Please help.
At first i use...
Hello,
I just ordered a shiny new nRF Beacon from Mouser. The beacon is version 1.1.0 advertising "DfuTarg", so I am attempting to flash the application file that comes...
Enlight of the increase in 8.0 SD size, I am concerned that my application size may soon grow too large to utilize Dual Bank DFU. I know the actual size of the .Hex files...
修改Device_Name.jpg
After programming, the device name cannot be changed.
Is there any solution that can achieve?
I know that I can change the paramter from the function...
