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 used SDK11, SD332, and no change anything.
the application reset as picture.
can you test this issue and give suggest ,why app reset?
D:\work\nordic\BLE\SDK\nRF5_SDK_11...
I need a code example (e.g. Health Thermometer) that runs on the Beacon Kit. I have tried several combinations of soft devices and code examples, but I can't get it running...
Hello,
I started implementing a project with the device manager. I am using the S120 as central.
I am able to connect to 3 peripherals at the same time (also nordic nrf51822...
Hi,
The environment is Ubuntu 16.04 running on parallels on a mac pro.
I am following all the installation instructions and I get no errors, except that the opus driver...
Hi,
Today, i try to use the UART SERVICE from nordic on both smartphone and NRF51.
I succeed to send data between the two.
But now, i want to send data longer than 20...
Hi,
Using SDK12.1 with nrf52. Have SD and bootloader on the device and trying to load application via BLE DFU.
It randomly gets stuck. (see attached screenshot)
And...
Hello,
I have some trouble to use the Secure Bootloader example, which comes with the
nRF5_SDK_12.1.0
I installed the latest nrfutil and hexmerge. I can compile the...
This piece of code appears in all IoT SDK examples:
eui48_t ipv6_medium_eui48;
err_code = ipv6_medium_eui48_get(m_ipv6_medium.ipv6_medium_instance_id,
&ipv6_medium_eui48...
Hi, I am using the nrf uart app to communicate with a smart phone and the NRF52. I am trying to detect whenever it is sent a value between 0 and 60 from the phone, and save...
Hi,
I'm working on nRF51822 with SDK 11.0.0 softdevice s130
I have an nRF module acting as central and smartphones (iOS and Android) acting as peripheral.
I tested...
Hello, what is the BLE max range w/out usin PCB antenna?
And what range ll be if i reducing the connection interval down to the minimum 7.5ms, set Tx power to +4dBm using...
I am using the nrf51822-QFAC-R in an application where the realization of the antenna is very challenging, and I expect to have an antenna |S11|=-1dB, with variations of the...
Hello, I want to clear things up a bit, all these concepts are starting to overwhelm me somehow. I want to know:
What can have UUID and handle? I understand that profiles...
I want to use ATMEGA 328 to send a packet over to the chip as follows:
SPDR = packet ;
Can some one kindly post what the content of this packat should be ?
is it possible...
hi,
i am working on FDS. here i am able to write number of records and also able to read them back.
but while updating i deleted one of the old record and writing new...
