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...
Is there a way to generate a DFU OTA image from OS X natively without having to use a Windows platform? It seems that the missing step is dat file generation and json manifest...
Hello guys,
Firstly, i would like to apologize if this post doesnt belong here. But i couldnt find any other platforms anywhere else for me to ask this question. So i have...
hi .
i did what this linke says
but it get me these error
..\main.c(632): error: #20: identifier "NRF_CLOCK_LFCLKSRC_RC_250_PPM_TEMP_8000MS_CALIBRATION" is undefined...
Hi,
I've got some really simple code I've been trying to get working with SPI on nRF52 (while also using SoftDevice):
///MISO, MOSI, SCK set, but SS not
err_code =...
I am trying to figure out if I need to disable the softdevice to get the power numbers in to the single-digit uA range.
With the softdevice loaded/enabled, but with the...
I'm developing nRF52832 to implement the Eddystone (※ 1).
But i'm thinking seriously about what can I do to have the Eddystone Specification and compatibility.
please...
I am working with the ble_app_buttonless_dfu example and am wondering why the example sends 2 notification messages in response to a command being written to it? This occurs...
Hello,
I'm using nRF51, SDK10, S110 beacon example with dfu service.
What I have done are listed as below:
merged softdevice8.0 and bootloader to sd_bl.hex and...
hi,
in FreeRTOSConfig.h file,
#define configUSE_TICKLESS_IDLE 1
#define configUSE_IDLE_HOOK 1
and the idlehook function
void vApplicationIdleHook( void )
{
__WFI;...
I have got PCA10040 development board having nRF52832 nordic ble chip. I am not able to get datasheet for this. I have to use SPI communication on this board but I am confused...
Hai i am new embedded designer.. I am working with nrf52832 , i need to get accelerometer and gyroscope data from mpu6050 through twi.. Can any one give me a sample code ...
I am trying to wake my processor from sleep after issuing the sd_app_evt_wait(); Using an interrupt on an external RTC chip, I send interrupt pulses to the nRF at 1Hz. At...
Hi guys,
I have two nrF51 dongles and I am really interested in making the pairing of both of them using the proximity search feature of ANT. So far what I did is, I took...
Hi.
I have a BLE peripheral app for the nRF51822. I'm using SDK 12.1.0 with SD 130 v2.0.1 and gcc. I'm implementing DFU OTA at the moment and I notice there are two builds...
