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...
Hi !
I'm developing a bluetooth low energy service using the nordic evaluation kit and following the ble_lbs example. It works, but when I load the code on an other electronic...
Hello,
does the iOS Loader app not work with the nRF51422 chipset? I thought that this chip was more capable than the nRF51822. I do not seem to get access to the download...
I'm concerned about stack overflow as I consider using a linear fit function which declares 5 local variables as floats and accepts 5 pointers.
5floats * 4B/float + 5pointers...
Hello! Can anyone tell me information about bluetooth protocol and SDK functions?
What functions need to start BLE device like a peripheral/central, and what each...
My JLink Lite seems to have died (nRFgo Studio can see it, but can't connect to a target).
What is the latest replacement for a JLink Lite?
Preferably something that can...
I'm trying to get the ble_central_s120_pca10028 app working on my device. However it doesn't behave as mentioned in the user guide (no BSP_INDICATE_CONNECTED on peripheral...
Hey,
I am currently designing a custom PCB w/ the nrf51822 QFAA. This is the first PCB I've designed and I'd really appreciate any help.
1.) Since I am using BLE I am...
I'm trying to understand latency between simple events (like a button press) and transmissions to show that event on the nRF Toolbox iOS app. In some trials, my updates are...
Hi we are developing a customized Bluetooth smart PCB with the nrf51822, I load the softdevice 110 v 7.1.0 no problem, but when I load the heart rate demo app it stuck in...
I would like to modificate the LED Button application example. The LED characteristic should stay as it is, only the Button characteristic should be changed. I want to use...
Hi,
I have used several Bluetooth Low Energy solutions and I looked into several examples and something is missing. What I miss is to prevent pairing. It is something quite...
In SDK source code of S110 SOftdevice, I'v found two events for which module is registered and waiting using "softdevice_sys_evt_handler_set" & "softdevice_ble_evt_handler_set...
Hi,
I'm working on getting our product through BLE certification and they are asking a few quesion's that I'm not sure about.
1: Pairing. Is it using a fixed PIN or...
Hi,
Routine running normally in low power mode with power_manage() .
but after sd_flash_write/erase current consumption goes high(almost 20mA).
If anything is missing...
