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'm trying to implement my own RF protocol, with the help of reference manual and examples provided here I was able to come up with this: http://pastebin.com/t2nhkj2B...
Now with the twi_hw_master.c with softdevice, I enable the twi on the start of twi_master_transfer and disable it at the end of twi_master_transfer, but I found the twi can...
Hi All,
I am in need to implement the Central BLE device which can receive the Data from an iOS peripheral device over a particular custom characteristic, Can anyone please...
I'm trying to implement my own radio protocol but the section about addressing in reference manual is very unclear to me. In the "Definition of logical addresses" table it...
Is it possible to protect part of the memory of nRF24le1, in such a way, that it can be used for a serial number?
For my application, it would be beneficial to be able...
Hello,
In the example "nRF51_SDK_8.1.0_b6ed55fvery\examples\ble_central\ble_app_multilink_central\pca10028" when opened in keil there is no flash_softdevice option shown...
dear everyone!
I order a kit- nRF52 preview DK:
www.nordicsemi.com/.../nRF52-Preview-DK
And i also download nRF52_SDK_0.9.1_3639cc9.zip:
developer.nordicsemi.com...
Hello,
I'm writing a driver for an I2C device (it's an external led driver).
My current code executes following steps ...
First I changed I2C configuration :
static...
Hello there.
I'm porting some code that previously worked on S110 stack v7 to stack v8 and I'am experiencing some issues.
After receiving a BLE_EVT_USER_MEM_REQUEST...
Accoding to the "how to generate the INIT file for the DFU",I have configuration Boot loader.hex,but i don't known how to configuration Soft Device.hex.The following is the...
Hello Nordic~
I want to control button debouncing on my nrf51822 based custom board. I went through the button_debounce example found in [Board/nrf6310/debounce_example...
Hi All,
I'm using ble_app_uart Application to send some notifications from Peripheral to central device. I'm using API ble_send_string() to send notifications to other...
