Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
Hi
I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
Hi,
My aim is to transmit the beacons. iam using nrf51822 usb dongle and nRF5_SDK_12.1.0).I need to run E:\nrf1\examples\ble_peripheral\ble_app_beacon\pca10028\s130\arm5_no_packs...
Hi All!
I use SPI with ss_pin = NRF_DRV_SPI_PIN_NOT_USED. but seems it doesn not work properly.
in the file nrfx_spi.c , the following code exist to init ss_pin during...
Hello,
I am using a nrf51422 in my work. I am focusing on reducing system power consumption as much as possible.
Q. When a peripheral (server) starts advertising (and...
I am about to develop a Bluetooth Mesh network with the nRF52832.
With the PCA10040, i already able to form a Bluetooth Mesh Network, such that there is one client act...
Does anyone know where I can find a list of which phones/tablets support Data Length Extension (DLE)?
We are finding that many budget phones (e.g. Motorola G6, Samsung Galaxy...
Hi,
I'm using nRF52840 (rev 1.0.0) and Mesh 2.0.1 and SD 15.0.0.
I added FreeRTOS following the example "hrs FreeRTOS".
In FreeRTOS, the source clock (configTICK_SOURCE...
Hi,
I'm trying to use RTC2 as a custom timer using the RTC Driver, initialised as :
nrf_drv_rtc_t erx_timer_rtc = NRF_DRV_RTC_INSTANCE(2);
But when the BSP library or...
Good morning everyone,
I read a lot of threads in the last week on this subject, but so far I was not able to find a solution to the problem.
On a custom board we are...
Is it possible to use both Zigbee & BLE SDKs at same time? Actually we are planning to use NRF52840 for our next project. In which BLE will be used for Smartphone to NRF communication...
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...
