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...
Hello,
I have used for my application the reference design of NRF52832.
The connector MURATA MM8130-2600 is used to have the choice between the PCB antenna and an external...
I have refer to this topic for setup multilink with NUS. https://devzone.nordicsemi.com/f/nordic-q-a/18804/mismatch-between-connection-handles-in-ble_nus
But, i met a wrong...
Hi Nordic,
While testing USB CDC example with nRF 15.3.0 in PDK board, I see USB is not recognized. I have gone through the same issue posted in Forum. Is it the issue with...
I have a question about “BLE_HCI_CONN_INTERVAL_UNACCEPTABLE”.
SDK: 15.3.0 Example: ble_app_multirole_lesc (source changed from sample) Device: EYSHJNZWZ (nRF52832)
The...
This microcontroller is advertised as mbed enabled. Does that mean that it can be easily programmed using mbed api in an mbed environment. I want to work in a c++ environment...
I am trying to use the nRF52-Development kit with (N52832) and using nRF5_SDK_15.0.0. What my application is to broadcast an iBeacon Packet (with Major, Minor, RSSI and UUID...
Hi,
I followed this tutorial ( https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/merging-two-ble-examples-together ) of combining UART example with other...
Hello. I use nrf52832 on Adafruit Feather board among with nrf5 SDK. As a default I can log any info via NRF_LOG_DEBUG to my serial monitor. But how can I use Serial input...
I was wondering if the standalone nRF51822 microcontroller has support for i2c. If so which pins are supported. There doesn't seem to be any reference on i2c for the board...
Hi,
I bought a custom nrf52840 board and I need to program my firmware on this SOC with PCA10056 DK debug output port. in below you can see part of shematic of my custom...
I have some custom models in my mesh application in addition to SIG standard models. As can be seen with interactive_pyaci script when i read the composition data of my device...
Hi guys.
I'm working with a nRF52832 custom board.
In my case my board communicates with the LIS3DH through i2c protocol. In the other hand based on LIS3DH datasheet the...
Sir
about the
while(1)
{
sd_app_event_wait(); //stay here until a interrupt or connection occurs...
}
During the time that there is not a interrupt and no connections...
Hi,
I've recently switched some prototype code from using MQTT to a custom UDP-based protocol. What I noticed is that if I have the unit sleep for longer periods of time...
