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 there,
I am a using a nRF52/SDK 13 to communicate to an external board which uses AT commands, I would like to save some battery during the time I perform my AT command...
I read that the old SDK for mesh had the provisioner and client as the same operation, as I am trying to make my own philips hue style wireless lamp I would need to get my...
Hi!
My question is for the purpose of power calculations for both the nRF52832 and nRF52840 for BLE use only.
I haven't been able to find a reference for this.
I see...
I'm trying to follow "Bluetooth low energy Advertising, a beginner's tutorial" by MartinBL found at https://devzone.nordicsemi.com/tutorials/b/bluetooth-low-energy/posts/ble...
Hi, in my previous attempt to fix n52DK, I fixed the n52DK board's power rail. It turns out not the problem of the interface MCU shorting VDD.
But when I followed the instruction...
Hi All,
Just feedback from Lab, they said that they can set any channel frequencies at bandwidth = 1MHz in the Direct Test Mode. BUT they said that they need to test any...
Did someone try to make QT application that supports DFU for BLE devices? Can it be done using nordic DFU android/ios libraries (to include them somehow in QT project)?
Hi,
I am having a problems with USB enumerating with a custom board based on the nRF52840. The board is self powered by LiPo battery. I am developing by connecting to the...
Greetings,
I'm attempting to use the ble_connectivity example for the PCA10040 and have a couple questions:
1) What are the default GPIO pins for UART?, for SPI?
2)...
Can you provide an android application that can implement light control?A s shown in Illustration:
like the nRF Connect or LightBlue.the application as client not provisioner...
HI：
I am studying mesh now.But I don't know how to run this example.I think，that proceed as follows：
1.Using provisioner example Configuration each node(element and models...
I'm using SDK version 15.0.0_a53641a on nRF52840 with softdevice s140_nrf52_6.1.0_softdevice.hex.
When I execute the code below in ble_stack_init (void) , I get an error...
Hello, I am a beginner with the nRF51822, after reading documentation and posts on this forum I can not find a clear answer for these two questions: - Is it possible to modify...
Hello, My software project is based on the ble_app_uart, and after doing some initial timer, PWM and SAADC initialisation tasks, the main loop of ble_app_uart runs for a while...
