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'm setting up the message structure for usage in a sensor Model. The sensor readings may be represented by different data types (e.g. float, integer). How is this best handled...
I'm using nrf52832 and building projects on it with the help of sdk 14 and sdk 11 for BLE. Now when I load my code for example the BLE HRS it loads properly with no error...
Hello,
I've upgraded my machine to Windows 10. I can't get Master control panel to work. I keep getting the error message:
No response from master emulator
...
Hi, I have a general question for BLE advertising, if several BLE peripherals broadcast simultaneousl(the advertising packets contain information the peripherals want to send...
1、how long will it take for me to cache?
Once I call sd_ble_gatts_hvx, assuming tx_queue is large enough, how long can I cache data to softdeivce?
For example, I called...
Hey, I'm just starting to develop an ANT device on the nRF52 devkit and am trying to modify the provided example to gain an understanding of the functionality.
What I have...
Hello,
I'm designing a board in which cost is a very important factor. I don't need a lot of the GPIO pins of the nrf52840. Are there any 2 layer reference designs available...
Hello All,
I have the following queries on low power consumption mode,
To update you on power saving tests that we performed at our end, here is our observations:
...
Hi all,
We need to develop a communication channel between 2 Controllers
One is Master controller and another is Slave controller
Master controller will send Data...
I'm developing a central providing NUS client service to multiple concurrent peripherals.
I use nRF52832 DK and SDK14.0, s132_nrf52_5.0.0.
I Want that NUS central can...
Hi,
I am working on another project.
I want to make BLE and USB BULK communication operate at the same time.
My development environment is Keil,
It uses nRF52840 and...
According to the point above
link text
i bought the thingy but i did'nt think about the jlink ..
you can add me to the advent calendar ;-> for a nRF52 DK because...
