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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
if i use s130 soft device will it do simultaneous master/slave role.....
c1=central 1,c/p=centarl/peripheral,p1=peripheral..
assume c/p made a connection with p1 and it...
I'm using SDK 7.1, PCA10028 eval board, SD310 2.0.1, MCP 3.6.0.8331
I have an ANT device, that on a button press, it must wake up, connect to an ANT channel, and send a...
Hi all,
I am trying to connect a tablette (s110 peripheral role) to 5 S120 centrals simultaneously.
I am using nrf51822, sdk6.1, s110 v7.0, s120 v1.0.1 .
Is this possible...
So I've seen all similar issues people had where their program stuck on sd_softdevice_enable() due to the fact that ran on custom boards which didn't have external oscillators...
This are the contents of disassembly window on all optimisation levels. Program is stuck switching between two operations:
MOVS r0, r0
DCD 0xFFFFFFFF
I'm running...
We're moving our design from nRF51822 to nRF51422.
What's the difference between these IC from the point of view of PCB layout and antenna design? Are they interchangeable...
Custom Board with MCU NordicSemi nRF51822-QFAA
Softdevice S110 7.1
IAR for ARM 7.1
SDK 7.2 using a merged service (HID keyboard example + NUS example...
Hi, I use the nrf 8001C + stm8s. I successfully installed settings nrfGo, but when I try to execute a command OpenAdvPipe I get an error ACI_STATUS_ERROR_CMD_UNKNOWN .
The...
Hi,
Are there any available examples of Makefiles with JLink command integrated?
Example: "make flash" to flash the image or "make flash-softdevice" to flash the softdevice...
It's not really a question but a request to Nordic.
Could you change the #ifdef lines in gcc_startup_nrf51.s to .ifdef. So:
.ifdef __STACK_SIZE
.else
.endif
and...
Hi,
How do I determine the application address? The one that is to be programmed to UICR.CLENR0.
I have SD S110 V7.1.0 but I didn't find this information in the release...
Hello,
I receive NRF_ERROR_INVALID_STATE error quite a few times because my own state handling is still a little buggy. I want to find all these errors. What would be the...
Hi all,
Please I want to make sure of something. In the s120 specification, it's written " Bluetooth low energy combined Central and Peripheral SoftDevice", and even in...
Hello,
I need to read the UID and later on also the RSSI value of devices (Handys) in range.
It should be reading the values automatically without the need of manual connecting...
The datasheets for the nRF24LU1P ansd nRF24LO1P have near identical example antenna driver designs which vary in the values for the inductors, etc
The LU1P datasheet is...