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 guys, :)
I used SDK 6.1.0., Softdevice version is S110_nRF51822_7.0.0.
I compiled the template project. (in the "C:\Keil_v5\ARM\Device\Nordic\nrf51822\Board\nrf6310...
I want to use the UART to get and send data to another MCU on ble_app_beacon of SDK 8.1.0.
But after I add the UART function to the project, the UART can't work.
Can the...
Thanks for the SDK 8.1.1 fix. Please make it available also as a .zip in developer.nordicsemi.com/.../
Currently the fix cannot be used with a GCC toolchain as it is only...
Hi,my friend
I use the nrf905,At one end Use the PCB antenna, on the outside part of the metal.Using the results, said communication distance is shorter than 40 meters, easy...
Hi,my friend,
I have been using nrf905, but its performance is very bad.
Have a compatible chip nrf905 data communications? Working frequency 433 MHZ,100 KBPS baud rate...
uart_fsm and proc_fsm never get called.
debug on the first line of the uart_fsm and proc_fsm are do not come even
gpio toggling stops once uart interrupt received. I am...
Hi there,
I'm trying to build the Beacon source code with GCC toolchain on Ubuntu, but it's not working on Beacon Kit, there is no any response from the kit. But I tried...
I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hi,
I'm trying to see what the communication range would be for different transmission powers. I set the transmission power to 0 dBm, and observe that I can still receive...
I'm currently trying to make my application enter into sleep mode, after some search , I found that this function can be used to reduce the power while the chip is in the...
Looking over documentation and the forums, it appears that the softdevice is not meant to be used with an application that uses an RTOS. I say this primarily because disabling...
Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
Added the attachment
unstable_issue1.pcapng
I am using nrf8001 for my project. The OS that I used is window8.
I've got this issue when the connection is not very stable...
