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,
The examples provided seem to indicate that the NRF51822 needs to be attached to an application processor / CPU (e.g. - Raspberry Pi). How much resources (CPU cycles...
hardware:pca1001
software:s120 v2.0.0 sdk 6.1.0
i will get rssi value by connected by s120.so i update the s120 to v2.0.0. but when the app run, an error occur.[APPL...
Hello,
I am using the Sd130 (v0.9 alpha-1) and do experience a reboot with NRF_ERROR_INVALID_STATE.
I start advertising, then use another device to connect to it. After...
Hello,
where do the SD130 limitations come from. Is it the Bluetooth standard that limits a device to 3 connections as a master and one connection as a slave or is it a...
I am using latest (v 0.9) S130 and experiencing the following problem, the code below is located in the function which is called directly by the main():
uint32_t err_code;...
I just tried out the new iOS nRF Toolbox 1.5 and it doesn't seem to handle long init packets.
I gave it a zip file that contains a 137216 byte 'application.bin' and a 192...
hi,i am working on a bootloader for an application using s120.i start up with the bootloader example in sdk of 5.2 and 6.0. i build the single_bank_hci target, and find that...
Hi all,
I'm trying to use the Sniffer to debug issues we are experiencing with Connection Stability on the iPhone 6 and HTC One M8. So I've trying to use the Sniffer to...
Hi, I use the nRFgo Studio to download the softdevice.
Recently I learned how to convert a hex file when I work with IAR.
So I tried my hex file with the nRFgo Studio...
I want to send images to my arduino from an app to nrf8001 and then display it on my device. Is nrf8001 made to only work in 20-byte wide receive buffer? Can it receive more...
Hello everybody,
In the SD_EVT_IRQn ISR I check for BLE and SoC events and set flags for each so my application can fetch and dispatch the events in the main context. ...
Hello all,
after a long period of trial and error I come for advice. I use the NRF24L01+ module with a slightly modified NRF24-library based on the work of MikeM ( www...
Hello,
I've recently bought a nRF905 development kit. From the nDP soft, i cannot detect my nrf905 EVBOARD.
The following driver is installed : "nRF2401 FS USB DEMO...
Good morning,
I just finished my circuit with nrf8001 + balun/antenna.
What is the process to have it review by Nordic?
Sorry for this question, I'm pretty new to PCB...
