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...
Description of my system:
Hardware:nRF51822, pca10001
Software: SDK5.20, S120
If i first call the function ble_stack_init(); and then i open the LFCLK first by set...
Hi,
I'm working with the heart rate demo for the nRF51822 Development Kit and I can only connect and discover with the development dongle and master control panel. If I...
Hi,
I use ble_app_uart project (pca10001) and new softdevice7.
I find a DFU project at nrf6310 directory of SDK .
when i program both projects the uart application...
I am aware of L2CAP API exposed by the SoftDevice SDK sd_ble_l2cap_cid_register(...)
How can I find out if this API will create a connection-oriented and dedicated channel...
Hello!
I would like to use the nRF51822 and build a pcb design in Eagle. While i tried to create a new package i couldn't find any specification for the qfn-48 6x6 the...
1.description of my system:
Hardware:nrf51822,pca10001
Software:sdk5.20,run the softdevice s120
2.the problem i meet,in the main() function
the first i called the function...
Hi,
We are using nRF51822 BLE device in our product. As we got to know that this chip cannot be factory programmed.
Can you please suggest us how we can program this...
Does the following flasher also allow to debug the nRF51822 device?
Segger Flasher Portable
If not... which flasher/debugger is suitable to be used during development...
I'm adding the bond manager to an existing nRF51822 s110 soft device project to enable encryption when reading/writing certain characteristics of a BLE service.
As far...
i am making something about dfu!
i read some message from "readme.txt"
such as :
Program initial SoftDevice
Make sure the device is cleared (nrfjprog --eraseall...
I have trying my best to find the url of ''nrf51_sdk_v6_0_0_43681.msi'，but there is nothing i got, i need some help.
Do you know somthing about it? thanks!
Edit: One...
Hi,
We're using the SPI to communicate with a device that, when powered up, supports only up to 3Mbps SPI frequency , but after a while can work with higher frequencies....
