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 nrf51422 v2 that there is noe example for it and i dont find any softdevice hex for it .
in keil package there is no template for sdk 6 that work for me
please...
Hi,
I've been trying to send a batch of data from 2 nRF51-DK boards, peripheral to central, and it seemed that there is a bottleneck on BLE since the buffer on the peripheral...
Hello all,
I use the relay function of the S130, and want to do a two-way data communication.
I can relay the data of peripheral to central with sample code.
peripheral...
HI ALL,
there is a sentence here 'Handles HVC events from the BLE stack.'
i am a newer here, please forgive of my silly question.
what is the HVC mean ?
thank...
Hi
I am using the nrfjprog.dll to program my UUT (nrf51822) during our production PCBA test. Apparently this is a bad idea to use this dll since you sometimes change the...
I found a possible bug in device manager in SDK 8.1.0 for S120. If you set for example DEVICE_MANAGER_MAX_BONDS 2 and try to bond another device, you get "No free connection...
hi
im using one of SDK Example and it stuck in this line of code
// Initialize SoftDevice.
SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_75_PPM, NULL);
in this...
I have a UUID in which bytes 12 and 13 are not 0. For example, I have something like this
*addr = 87000d1f-1234-5678-9abc-123456789abc
When I use sd_ble_uuid_vs_add(&addr...
Please consider the images bellow, which can also be found here and here . The images represent the structure of a BLE packet, and the units used are bytes. The question...
Hi there,
I have tested out the BLE-NUS SDK firmware on the NRF51422 SDK Board, and it responded well. When I ported the exact same code over to my custom board, I received...
Hi,
I noticed that I can't bond successfully with my device using iOs 9.1 with Nrf Master control panel iOs app. When I insert the PINCODE, the device immediatly disconnects...
So I just received my nRF51 dk. When I plug it into the USB port, the device starts to blink but is not showing up as standard USB drive? Any suggestions?
Gabriel
Hello,
what general setup can you recommend to realize a Final Product Test only with BLE for mass production! (Without any additional copper contacts or NFC)
Some facts...
Hi I was reading up on all your chips.. NRF24, BLE and also on IPV6 capable..
Below are my requirements. Can you make a recommendation on what setup to use?
I have 4...
Hi
Im developing a filter - repeater signal on S130, and I want to advertise with a peridod of 20 ms for 10 seconds timeout.
I'm confused with FAST ADVERTISING AND SLOW...