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...
i have purchased one of the modules. i need to interface with other modules of the same kind but how will i start programming it ,can u people suggest me the IDE ? do i need...
Hi,
I try to modify 51822 device_firmware_updates code for 51422.
But I have a problem.
When I run my code, my cell phone can connect to 51422. I can click DFU button...
According to Page5 of nWP-018, if we compare QFAA G0 to C0, G0 doesn't have a valid version reference design with the right balun. But G0 and C0 have the same valid reference...
Hi there,
We're looking to use the entire 16 KB of RAM on the nRF51822 when the S110 is disabled. We've come across an odd case, where doing this:
memset(0x20000004...
Hi there,
I am trying to learn how to develop for the 8001 chip on an Arduino board.
Does anyone know a good tutorial I can use to get to grips with how i would go about...
I have nRF 8001 BLE chip.First i want to know will this chip contains any Firmware i.e it has its services and characteristic or not? And i want to write my own Services and...
Dear Sir,
I used nRF51822, I found sometime the program reset itselft. Then I made a test program to send out the "RESET REASON"by BLE message. I found the reset reason...
When a callback function is registered via the softdevice_ble_evt_handler_set(), are there re-entrancy issues when the callback is called by the softdevice?
For instance...
HI,
May I ask question ?
I am testing the "ble_app_hids_mouse" program . When I run the program ,but it can't pair with my computer(windows 8.1).I don't have the nRF6310...
I want to connect my mouse to win7 or XP PC(but I can only buy CSR BLE dongle CSR8510A10),
It connect OK in win8 with the same dongle but report error as the title describe...
Hi,
I have a problem is that I use the 51822 as a reader to read the 24l01's radio data.Now,I use the UART to read the instruction from the PC. If the instruction is "ON...
Hi,
I use the nrf51822 to read the data from the tag which designed by the 24l01p radio module.In the whole progress, first of all, the reading module read the instructions...
I have interfaced nRF 8001 with Arduino through MISo,MOSI,SCK etc pins and it is connected successfully. When i connected my arduino with pc, i thought nRF 8001 will start...
I'm trying to make a simple BLE app based on LED button demo (BLE_LBS.C) that probably don't use much resources. I added FIFO UART communication routines and when I tried...
