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 there,
I have suitably designed a battery sampling circuit in my prototype configuration, (Vdd = 1.8V, battery swing = 4.2V to 2.9V) using the app note provided at: https...
I am getting the following error when trying to compile port.c
../../../../../Nordic_Semi/nRF5_SDK_14_2/external/freertos/portable/ARM/nrf52/port.c:93:7: error: expected...
Hello,
Is there any sample code which performs only the most basic functions?
Ie. - Sample code in its simplest form which only sets one pin to an output and sets it...
I'm using SDK 15 and soft device S132 6.0. Using nrf Toolbox to update custom firmware, I'm running into a situation where the DFU update fails with an error code 4 when trying...
Hello,
I have been doing research trying to figure out how to program just the nRF52832 chip. I want to program the nRF52832 chip with the Arduino IDE from sandeepmistry...
Hello!
I am using the nRF2740 board with the nRF8001. If I connect all the pins (SPI, RESET, RDYN, GND) except the Vcc pin I still measure 2.5V at the Vcc pin (Connector...
Hello everyone,
In my current application , I am using nRF52832, with the SDK 11.0. I have a problem with the BLE connectivity, which I think is a hardware issue.
With...
I am doing a connectionless system where I am just broadcasting the data. I am showing a loss of about 50% on the receiver missing the data packets. I have tried before to...
Hello,
I configured pin P1.15 as output and with GPIO_PIN_CNF_DRIVE_H0H1 but I only get 1.7V ?
Does "standard drive" means that the pins can't get to 3V ?
Thank...
My project is based on the Thread cloud coap client example. I would like to know if my CoAP POSTs to the cloud are successful.
I added a "post_response_handler" to the...
Hi,
I've been trying to read/write data from/to the internal flash storage of my nRF52 development board.
I am using SDK11 and softdevice s132
I have modified the flashwrite...
Hi,
I've been trying to read/write data from/to the internal flash storage after a ble disconnect event occurs on my nRF52 development board.
I am using SDK11 and softdevice...
Hello,
i'm developing an interface based on nrf52. The app does a direct connection, performs some exchanges with the peripheral, and tells the peripheral to disconnect...
Hello we have a more stable external reference voltage source than the VBG for the ADC we want to use.
The voltage itself is higher than the allowed reference voltage specified...
Hi,
i am working on a project that in it i had developed a firmware for nrf51844 based on soft device 130 v2.0.1, now i decided to move the project on nrf52840 . i had read...
