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...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Dear nordic guy, I'm developing
with nrf51822. I have one question regarding main clock control.
I want to turn on and off 16Mhz clock in application side.
application...
Hello,
I have some code running that transfers binary data from an iPhone to a nRF51822 device (used for firmware upgrade).
I have used a variable length characteristic...
When starting with nRFgo Studio "Erase all", "Program SoftDevice" & "Program Bootloader" to have a almost virgin base without an application, I succeed perform an over the...
Hello,
currently I am thinking about the proximity concept. The following scenario is given:
We have a Display that shoud lock/unlock a Device
We have a iPhone...
I used SDK 5.1 and S110 6.0, I dowmload the project ble_app_ancs to nRF51822 DK. I try to connect it to iPhone 4s (which run on IOS 7.04), when I click 'pairing', the led...
Device: NRF51822; BMA250E
Description:
When I read BMA250E via I2C without BLE protocol, commnucation run well.
And if there is no I2C commnucation, BLE protocol can...
Hi all,
My questions are related to frequency on the soft-device firmwares for nrf51822.
In S110 does the frequency channel hop according to the CONNECT_REQ packet...
Hello,
I am testing the ble_app_hrs project on two eval boards, with s110 and s120. Everything works.
If I power-off the peripheral board (s110), it seems that the master...
Dear Nordic guy, I'm developing with nrf51822.
I have one question regarding flash write.
In ble connected state,I have some error to write some data to flash.
I want to...
Hi,
I just loaded the nRF8001 Arduino code on my board and used an iPhone 5 to read the data that was being advertised. I get the following response:
<CBCentralManager...
Dear Nordic guy,I'm developing with nrf51822.
I have one question regarding lfclk.
I use LFCLK SOURCE RC OSCILATOR of ble_stack_handler_init() at the application side.
...
Hi,
Is there any example application related to alert notification profile for android 4.3 devices?
I just need to understand the gattserver implementation for the alert...
Hello All,
Since yesterday I have been getting a problem where my project using the S110 softdevice enters a reset loop. This runs on a unmodified PCA10001 that plugs into...
