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...
Hello all i want to do a task that is control another LED using ble_app_blinky. In the ble_app_blinky project a characteristic is used to control an onboad LED. I have connected...
After 3 days of debugging and hours on the forums trying out various things, I just wanted to post a mini quick start guide to getting low power working. Turns out that all...
Hi Guys，
I want to implement a Vendor-defined USB HID device, But encountered the following problems:
1.When the PC sends data via USB HID , the slave(52840) cannot enter...
Since SDK15.3.0 the DFU example code has changed to require signed DFU commands.The DFU that we used is base very closely on the Nordic example. In our update process we have...
Hi,
I am facing an issue with the RSSI value when my device is in connected mode.
First, in ble_evt_handler(),
in the BLE_GAP_EVT_CONNECTED case, I place the following...
Hi I am using NCS version 1.5.0 and DK version 1.0.0
If I want to build any application using nrf9160dk_nrf9160 Im getting the following error.
Traceback (most recent...
Hello, We are about to release a Firmware update for our vibration sensors and we are now testing the consumption of the new firmware. Our sensor is a nRF51822 + Accelerometer...
I'm building a BLE Peripheral device using Arduino and Adafruit's nRF8001 BLE module. I can find and connect to the BLE Peripheral using any number of iOS BLE discovery apps...
I'm using Windows 10 64 bit version. I've Nordic SDK example usbd_ble_uart_pca10056_s140 loaded onto my Embedded Studio. I compiled the code and loaded into the DK. I have...
Hello,
I try to add the pc-ble driver from Nordic to my Qt application, but my application crashes all the time without a specific error. So I need some help with the implementation...
I am running a GATT server on nRF52 and I am saving the CCCD state after bonding but does Android/iOS as a client also save the state? I only looked at the Android API side...
Hi,
I have two questions:
1) I'm making a custom board for a hobby project! Are there any limitations to running a SPI driver with a voltage high of 1.8V? It seems that...
So I am using ESB and want a very percise timer. Because the 16mhz clock is not 2^n we want it to roll over at a certain value that is a multiple of 16mhz, so we chose 4.096E9...
