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,
Let's assume that we know there is a packet ready to be sent every 20ms. Now what is the best connection interval from power consumption point of view? Here is my understanding...
I've been unsuccessfully attempting to download and execute a BLE example on a nRF52832, and I could not succeeded probably due to false alignment of Soft device's and application...
I'm running the ble_my_project_template example from ble-sdk-arduino , and listening to the ACI lines with a logic analyzer. Here is what I found in the first transmission...
Gentle folks,
I'm sure I'm making some simple, primitive error. Please help me mend my ways :-)
Using gcc in the NetBeans IDE on MacOS for building and running the ble_app_hrs...
Hi,
I tried to flash the mbed FOTA bootloader on my nRF51 DK. I copied the bin file to the bootloader device. It said the storage on the device is to small. Now it won...
Hello sir,
I am using nRF52832 board and interface with 3 axis accelerator reading ADC for 3 Channel. I have use sample code for controlling in timer/RTC mode. My ADC is...
Hi,
I am working on NRF52 custom board with 3.7mA 27mAH battery, working on BLE app UART example SDK11 with SoftdeviceS132V2.0.
I made BLE advertise for 20 sec interval...
I prototyped a nRF52832, WLCSP package, with a fab (PCBA) and put jumpers between my 32Mhz crystal and the chip, attempting to connect with a j-link in SWA mode, I cannot...
Hi. I'm using nrf52832.
Now I'm using HFXO, LFXO to operate BLE. As I know I should use HFXO to operate BLE.
What about LFXO? Can I use internal clock(LFRC RC osc) instead...
Hi,
I am working on the latest version of SDK (v14) and SoftDevice(v5) on nRF52382. When I call the sd_gap_disconnect it returns NRF_SUCCESS. However the BLE_GAP_DISCONNECT...
I was trying to verify the DFU functionality on SDK 14 on nRF52832. Here is what I did.
1. Using nRFgo to erase all
2. Program bootloader/soft device with C:\svn\nordic...
Hi,
I am using SDK v12.2 and gcc compiler. S132 softdevice for nrf51822 controller.
And i am using s132 softdevice.
I want to connect multiple nrf51 devices (approx. 14...
Hello sir,
I am using nRF52832 board and interface with 3 axis accelerator reading ADC for 3 Channel. I have use sample code for controlling in timer/RTC mode. My ADC is...
Hi,
I'm doing some measurement on the radio peripheral of the nRF52840 using the generated events and a timer which is set to run at 16MHz. Radio events and Start/Capture...
