I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
Hi.
I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
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...
Hi there, I'm definitely a newb when it comes to wireless communication and communication protocols so I'd like this question to be answered at a higher level than what I...
Hello,
I am implementing a central which is scanning for advertising packets using s130, SDK11, nRF51822 and based on example ble_app_hrs_rscs_relay.
I get the advertising...
Hi,
I'm trying to porte my code from micro_esb to nrf_esb. My need is to know when a frame with correct address is received. This frame don't need to be valid just received...
Is there any way to use more than 4 buttons using app_button or BSP library?
It seems that GPIOTE can handle only 4 pin. Am I right??
uint32_t err_code;
// Button configuration...
Hi,
I am wondering if it is possible to change the RADIO data rate using SoftDevice.
I am developing an application which do not need an high data transfer but it would...
Hi,
Migration to nRF5_SDK_12.0.0_12f24da has broken build of some our projects at link stage (region RAM overflowed with stack).
During investigation I found that nfc_t2t_lib_gcc...
I'm running app_error_handler with
SEGGER_RTT_printf(0,"\nerr_code %d on line %d file %d",error_code,line_num, p_file_name);
to print out what went wrong and where...
We are writing an Android app for our own peripheral (nRF51-based). We know the handles for all the characteristics.
On Android gatt.discoverServices() needs to be called...
I've tried to use UART samples to test large BLE payload size with SDK 12 and SoftDevice 3.0
What I did is modifying UART central and peripheral code:
In both project...
Hi,
I have an nRF51 project using SD110 and SDK8.0 that refuses connection parameter negotiation. I a handler that would disconnect bluetooth when a connection parameter...
If, for example we would source 10 mA on 2 pins (2 x 5 mA), how much current can we sink on high drive pins?
Is that 15 mA overall sinking and sourcing (which seems like...
Hi,
HW:PCA10040
SDK:v12.0
QUESTION:PWM
I want to use SDK 12 to get 4 pwm , so i search in pwm , i start my program like this , but i can't find nrf_drv_pwm_config_t...
anybody knows how to download the nrf52 sdk common library document?
i only find a online help infocenter.nordicsemi.com/index.jsp but i need a offline reference manual....
Hi, I am using following code inside for(;;) in main function
if(diff == 30)
advertising_stop();
else if(diff == 60)
advertising_start();
Following are the advertising_start...
