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 have a question.
the PCA10005 board's P0.17(Or other pins) connected to 2.8 v voltage,but the Vcc is not connected,and the PCA10005 GND connect to 2.8V GND.The PCA10005...
Hi,
I'm using the S110 v7.10 to implement a service with an RACP, amongst other things. I'm supporting multiple transmissions per connection interval. This is working fairly...
i have nrf51422 v2 and it can use s110 v7.x.x
and when i go to download s110 v7.x.x but there is nothing for nrf51422 v2
softdevice s110 v7.x.x is for nRF51822...
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
