I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
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 all,
I am using SDK13 with NRF52DK. I am trying to get NFC to work with a reader and encountered some problems.
I have tried 3 different examples, record_text, writable_ndef_msg...
I am trying to use nordic nrf51822 and transreceive data through ble_app_UART
and (Android-nRF-Toolbox) github.com/.../Android-nRF-Toolbox.
But i am not able to compile...
Hello,
In the reference layout for NRF52840 package (QIAA), the shape defined in the SOLDER PASTE is a bit larger than the one defined on TOP LAYER (copper) for each terminal...
We have a product that uses nrf51422_CE_AA, Revision 3, 256KB ROM, 16KB RAM, PCA10028, SDK 8.0.0, S110. We are now in the stage of power optimization. Therefore we bought...
Hello,
I have used the NORDIC power calculator to calculate the current consumption for different advertising intervals.
Adverting interval (ms) Current (mA) calculated...
Hello is a starter developer
I used the nrf51822 chip on the pcb board and downloaded the example code but it did not work.
When I checked the 16mhz external crystal on...
Hi all,
I am a bit confused about the use of SOFTDEVICE_HANDLER_APPSH_INIT and similarly APP_TIMER_APPSH_INIT. I've not been able to find anything in the documentation...
nrf52840, S140.
So for the past 1 or 2 weeks I have been fighting with this problem :
Now it turned out that the connection handle may actually be INVALID, it's 0! ...
I am using nRF52840 DK as a SPI slave with an external MCU configured as SPI master. The SPI clock frequency is set to 1 MHz. I am using the following pins for SPI:
P0...
Hi All,
I have just got my nRF51 kit (S130) and started working on a beacon project which would transmit advertisements packets from peripherals over a RS485 to a server...
Hi,
im running my DK as a central of a BLE connection and i'd like to read the device_name of the peripheral board that im communication with. how do i do this? i cannot...
Testing on nrf52DK (QFAAB0), without softdevice, unfortunately still on SDK10 and
NRF52 sleeping on RTC. Programming pins disconnected.
Measured:
low frequency clock...
i am total beginner to the nrf51822. i am going through the nan-36_v1
app note is using s110 but i can't find that soft device in sdk ? is there any changes has to be done...
Hi,
I took the ble_hrs_c code and modified it such that it has the NUS service and can connect to 2 peripherals. The code works when I power cycle the central+2peripheral...
hi Engineers!
I am trying to use int. pullup of 160k but no effect. the voltage remains zero on pin.
config.resistor_p = NRF_SAADC_RESISTOR_PULLUP;
what problem?
...
