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...
hi,
is it only possible to go with the single profile on the client side like hrs experimental example, or we can implement a central which can connect upto 8 devices,...
Are there any nordic ICs that only have transmit capabilities? Would there be any power benefit to only supporting transmission if the application only needs to transmit ...
Hello,
can the radio notification and radio disable APIs be used to use the radio hardware from the application layer?
Background of my question is, that I have an application...
Dear All,
I just got my new nRF51822-mKit. And try complie mbed sample app and deploy to the mKit. It work fine.
But when i try nRF51 SDK sample with Keil 5, eg.:
...
Hi,
I am using central s120 with peripheral s110. The connection to the peripheral is depending on the name advertised by the peripheral.
When connection is done, the...
Hi,
Is it possible to use SPI master on nrf51822 in 9bit mode or shall I use bitbanging?
I have a slave (SSD1306) that accepts only 9bit words.
Thanks,
Sergey
I'm trying to DFU the softdevice (supplied 7.0 hex file) using bootloader example in SDK 6.0. I wrote my own OSX application to do that by parsing the hex file and sending...
i need to display my scanned response data in android application along with the device address.for displaying the device address getaddress()function is there in android...
Hello,
I am trying to ecrypt some data in order to send some data encrypted in the MINOR and MAJOR adverts of the device.
I used this code to ecrypt the data ( this is...
I added a way to go from a running application into DFU mode using a custom characteristic and GPRETEG. However, CoreBluetooth caches services and characteristics for each...
Hi all,
I'm designing my own breakout board for nrf51822 and want to use the mbed platform for it. I was able to make the board work with a very simple, blinking-LED program...
Hello,
I am a newbie of Bluetooth development. I have a question that what is the difference between ACI (Application Controller Interface) given in nRF 8001 and HCI (Host...
Hello,
I have one Eval-Kit (v2.2.0) and I had no problems with SDK5.2.0 and demo programs defined in nRF51822 Evaluation Kit User Guide v1.2. Now I have installed SDK6...
Hi,
On a nRF51822 (QFAAG0) with S120 softdevice (using the recent PCA 10001 v2.2.0 board), i'm trying to perform these operations successively:
a simple RSSI scan...
Hi,
i use anRF51822 with soft device 7.
I run the UART app on my iPhone 4s with ios7 and on the nrf51822 board the ble_app_uart with keil uVision5.
Both devices connected...
