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...
Hai guys,
I am using nrf51dk, S130, and Keil to develop a simple project. My aim is to send the sensor data from the nrf51422 to the mobile app.
when no mobile is available...
I read this thread: nRF51 beacon high frequency scanning and advertising and have similar problem here.
Some repost from my electronics.stackexchange.com question
...
heya all,
I've tried folowing the guidlines for selecting correct SoftDevice for particular DK, but I am completely confused about the whole naming conventions and versions...
Hello,
I wants to store data in file or store data as non volatile .
I can't found any file related function.
Can any one help me how to store data as non volatile...
Im using nrf51. first I used bonding feature, for that I configured the characteristics with BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM on read to trigger the bonding on IOS. ...
I am using SDK 11.0.0 and S132 on a nRF52832. In my application, my device can operate in BLE mode with the SoftDevice enabled or in custom RF mode with the SoftDevice disabled...
I need an accurate timer to generate pulses about 20ms. With simple timer this is workiong fine, but I need more then one timer simultaneously. So I would like to use app_timer...
Hi
I am working on NRF51822. I am using S120 ble_app_multilink_central example. I am trying to create a Timer1 interrupt of 1ms interval. My interrupt is working but interval...
Hi all,
I am trying to block connection from other devices to my nrf51dk board, except some specific devices. I used whitelist but it seem like the peripheral only block...
Hi,
I have just bought a nRF51822 Beacon Kit. The sticker on it shows that it is a PCA10006, Rev 1.2.0 2015.17 on it.
But I think that it is PCA20006.
What is the best...
Hi
I am getting some weird response from my nRF51-DK.
Situation 1:
When I try to flash it with the Blinky code (\sdk11\examples\peripheral\blinky\pca10028\s130\arm5_no_packs...
I'm trying to under the ble_app_multirole_lesc project and I'm a bit confused about calling sd_ble_auth_key_reply and sd_ble_lesc_dhkey_reply. If you are using Just Works...
Hi,
I am trying to send a HEX command to a device over UART at 9600bps using nRF52 DK, but it never works. However, it works with Arduino (so the receiving device should...
I have nRF52 Development Kit,after my first time programming the Firmware to my board.I can't erase or program it any more?
The nRF52 Development Kit can be connected with...