My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
I have several asynchronous аperiodic sensors with their interrupt handlers. My service should gather the data from those sensors and do some math. The outcome of this math...
Dear all,
I tried to program and test the iBeacon application on the s110 folder from nordic examples.
The code on the Cortex-M0 has problem. Seems during programming...
After program nrf51822,it works normaly.But when I program again,it can't debug.NO SWD and NO USB DEVICE.So I can't use nrfGoStudio or nrfjprog.exe to recover it.When I pull...
Hi,
I've set up a streaming solution that is easily streaming 4+kBytes/s to an iPhone. I've also set up an ADC service that is sampling at 2,083 Hz 10 bit mode, using a...
Hi,
I am using nrf51822 (128k).
Softdevice 6.0 (s110), SDK 5.2.
How can I send an empty notification packet (data length 0) to master device?
If I send a packet with data...
I was wondering whether it is safe to use a delay (such as implemented by nrf_delay_us) to, for example, delay an iteration of a while loop, or that it is always better to...
Dear Sir/Madam,
I am testing iBeacon application on the nRF51822 mounted on nRF6310 motherboard.
I programmed the ble_app_beacon application in the keil_v5\ARM\Device...
Hello,
I get a sample code in the dir flllowed after intsalling nRF51 SDK:
\Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\s110\ble_app_beacon_code\main.c
but I still...
I ve installed CSR bluetooth 4.0 adapter , it can communicated with even the bluetooth 2.0 devices, how ever it even can not discovery the board when I programed the softDevice...
Hi,
I have ordered nrf51822 development kit with one of my local vendor. when the product came to india , it was checked in customs office somehow the samples in the kit...
I'm using an nRF51822. Currently, I'm using the low power sleep mode. The device uses about 1.5 uA in sleep, which is great. The firmware wakes up the device every n minutes...
I have a fully functional code for 8-bit data acquisition using nrf24le1. Now i want to upgrade it to 12-bit resolution ,but i have problems in doing so .
In my project...
I am making a module using nrf51822 and a chip antenna.
I need a layout from nrf51822 to a chip antenna through matching chircuit.
Unfortunately, I don't know how to...
Hi,
1. I want to design a product as a tag,which can read the temperature and transmit the data to a host,the host can read several devices' data. which mode would I use...
Hi everyone,
Just recently I've got two nRF6310 EVB boards with a nRF51822!
When I connect board via USB and open the nRFgo Studio, it can recognize the board as nRF ISP...