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 am doing burst transfers using exactly the code suggested here devzone.nordicsemi.com/.../
The problem is, the data is received three times by the receiver (three times...
Hi!
I question the use of Software Interrupts and especially SWI3.
I'm currently developing an
application on nRF51422 based on
SDK10.0.0 and SoftDevice S110
v8...
I know that it can be done and I have read the other posts. I'm still running on SDK8.0.0 with both a S110 and a S130. Using wireshark and the nordic sniffer firmware on a...
hello everybody,
I need to send some data on the value attached with the notification:
/**@brief Function for adding the notify Level characteristic.
*
* @param...
My application need more than one of the host in the same area, we will set difference pipe of each host, we want to know the area already exist which of the pipe. Then we...
Is there a way to avoid fees, and still use BLE? Do I need to change UUIDs or leave them be?
If not can the nrf51822 be used to just use the pure 2.4 ghz protocol and DFU...
If a BLE device using nRF51822 has a freuqency drift around 80kHz (BLE limit is 50kHz). All other measurement item like ICFT can pass the BLE spec. Will the performance of...
Hi, this is my very first post to this forum.
I just received my nRF51 DK, so I installed a lot of stuff. The blinky example is running fine.
A question about nRFgo Studio...
hi, i am going to make a simple PWM with SDK 6.0.0, nrf51822 and softdevice.
first, i use ble_app_uart example as a base code, because i need to BLE communication with...
I have purchased a BLE module using nRF51822. I have used Agilent N4010A to test the RF characteristic of the module. For first log of the BLE moudle (300 pcs), all 300pcs...
Hello,
I want to serve webpage from nRF52DK via BLE.
In fact I got the kit specifically for this task.
I have installed GCC, Eclipse and SDK for IOT.
Thanks to the nice...
Hi
i have an application where 3 SPI devices are connected. Each of the devices have a different CPHA/CPOL configuration. This means that, in order to make this work properly...
I am changing my project from 6.x to 7.x, and I saw in the BLE Bootloader/DFU documentation that there is a point in the bootloader where it decides weather to use the init...
I am having power on lock up issues with my latest product design using nRF51422.
There is no external power monitoring ICs or reset ICs.
The system is relied on internal...
