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,
I was wondering if anyone has done this seemingly doable job of producing continuous ECG trace using PCA1004 and PCA10005 devices. My intended use case is this: Use one...
I found that " The nRF51822 is built around a 32-bit ARM Cortex M0 CPU". On the page of Keil ( www.keil.com/.../4803.htm) is written that I can use either "J-link ARM" offered...
Hi all,
I'm puzzled about the relationship between normal BT and BLE, Is BLE connection is based on normal BL connection? And if it's integrant to set up a BL connection...
Hi
I purchased the full NRF8002 kit I am searching for the source code for the nRF Toolbox app but I am not able to download source code. Is the source code available for...
Hi,
I need something that can be the Master and talk to the Evaluation Kit Board to try to send a large amount of data. Do the Master Control Panel, or the mobile app nRF...
Hi,
I am using the nRF6310 + PCA10005 +nRFgo Studio as the lower tester, the supplied python scripts as the upper tester, and my own custom board as the DUT.
I've looked...
Hello, I am working with nrf51822 on my pcb design by myself, I read temperature from chip, the result is about 90deg, (I have div by 4 for 0.25 deg) it is impossible for...
Is there a way I can tell which version of the chip I'll get from a distributor? It's not clear to me that I can tell, from, eg the Mouser product page which rev it is. Is...
Hi,
I am working on proximity android application, i implemented immediate alert service, which is working fine. Now i need to set the alert level on the tag for linkloss...
Hi
I am working with alert notification example. I just wanted to know how you have tested the alert notification client example implementation. Is it just by using the...
Section 28.9.9 of the nrf51 reference manual shows the Config register has 3 defined bits, BBA. A is for Hardware Flow Control and is one bit, 0 or 1, which makes sense. ...
Hi,
I'm trying to add more user services to LBS demo. I generated 128b UUIDs for my services. Then I should add them to list returned by scan response in function advertising_init...
Hello!
Sorry for a new guy's description.
We had a device running in normal firmware application mode, and the Bootloader was programed. It's our goal to accomplish DFU...
Hello
I am using the nRF8002 kit. I would like to inform the host (Android app) when there is a long button press on the input pin.
Is this possible and if so which BLE...
