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...
In nRF5_SDK_12.1.0_0d23e2a in file: ...\components\softdevice\common\softdevice_handler\ant_stack_handler_types.h In lines 30-32 inside #ifdef ANT_STACK_SUPPORT_REQD is preprocessor...
Hi ,
I have nRF51822 beacon and J-Link LITE and i am using nRFgo studio setup .I am trying to flash the hex file in to the beacon using nRfgo studio.The beacon has two...
Hello!
The DEC2 pin is connected to an N.C. capacitor C6 in the newest refreance layout and the nRF52 DK layout. So does it mean I can just left it DNC like the 44th pin...
Hi,
I have a custom board of nrf51822 with no external crystal, neither 16 Mhz nor 32Khz. I am trying to use uart and app timers from SDK11 but when I start any app timer...
I'm in a situation similar to the one described in this question:
devzone.nordicsemi.com/.../
The company performing the test ask me to provide a device that can switch...
I wanna execute rtc0 on the project which is inside examples\ble_peripheral\ble_app_uart file in sdk 11
When i write the following codes ,nrf51 is locked.bluetooth connection...
I created a characteristic of 20 byte length in a peripheral.
when peripheral does indication, the length of indication data in central is always 20 byte.
I want to send...
I'm porting from sdk10 to sdk12.1 and changing to .zip based libraries in keil5. I've unzipped the sdk into the directory and the examples work fine. However, if try to copy...
Please find attached the screenshot of the schematic where i have combined the RF circuitry from
the NRF52 DK and the NRF51822 dongle for a compact board development. . ...
Hello,
Can anyone tell me if it possible to have one peripheral device connected to 2 central devices ? I am using S132 softdevice with nRF52832 board.
Thank you !
nrf51connect.pcapng nrf52disconnect.pcapng Hi i m using pi3 with bluez and the gatttool i can easy connect to the Adafruit Feather M0 with a nrf51 as bluetooth module but...
Hello,
my program should do the following:
Collect sensor data
Initialize SD and start advertising
After a timeout or after a successful data connection it...
Hi, Nordic
I want to change usb in/out packet size after hal_usb_init().
as I know, it should make one report descriptor and update.
But I can not see similar demo...
My latest assignment is adding NFC functionality to the device (the very same device that I had trouble with DFU on). Adding the functionality was easy enough but I'm having...
I have seen this topic:
devzone.nordicsemi.com/.../
and a few others, in an attempt to visualize the RAM usage of my project. I currently use GNU ARM Embedded (gcc)...
