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...
i download the sample code (\examples\nfc\record_text) to pca10040,it can be detected by NFC reader,the serial number is 5f:46:ac:eb:75:a7:ea,if i want to change this number...
I am working in sdk12.2 nrf52832 . When build and run the project it will work smoothly with ble connectivity... But the problem is it will bond only once when the softdevice...
I just want to understand concept.
For example, I need transmit battery level, heart rate level and other.. in closed (encrypted characteristic). I use S130 nRF51 SDK9. HRS...
Hello to the Nordic community!
A rather theoretical question: Would it be possible to have a system, comprising of a SoftDevice + Application + Custom Bootloader, where...
Hi there!
I'm looking to layout a chip antenna using the nRF52832 WLCSP chip and am confused about the layout of the antenna matching circuit. The reference design (CIAA...
Hello,
I am using nrf52 with sdk 12.2.0. I am working with example buttonless dfu template aplication by referring to the link infocenter.nordicsemi.com/index.jsp .
I have...
Hello,
I am running a simple application where I would like to listen for BLE packets for 100ms and then transmit a packet. (no soft device) I can successfully capture...
In section 17.1.9 of the nRF51 reference manual it states:
Maximum consecutive transmission time
is defined as the longest time the
RADIO can be active transmitting...
I need to connect VL53Xl to NRF51 DK> I am using latest 12.2 SDK with Keil MDK.I cannot find any I2C(TWI) example. I can find examples for NRF52 based devices. but not for...
I am using a nRF52832 which act as an observer role only and what is observe it send observed data to another device over UART.
When i turn off scanning and just run UART...
Hi,
I generally use " make flash" (armgcc makefile). If there are multiple devices connected I get a pop-up to select a device/emulator to be flashed. This pop-up just defeats...
Hi there,
I'm trying to use nrfutil generate package with an extern key pair generated with openSSL.
I used opneSLL with prime256v1 curve, which correspond to secp256r1...
Hi,
I use nrf51822 with HF XTAL Frequency of 32 MHz
I am migrating from SDK9 S110 to SDK 12.2 S130 and have a problem that the code stop on nrf_delay_us.
#ifndef...