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,
I'm trying to change the MAC address of nrf52, using softdevice s132_nrf52_3.1.0 but we dont have sd_ble_gap_address_get() and sd_ble_gap_address_set() APIs in "ble_gap...
We are having a random current leakage problem with our nRF51822 based board. Normally, our board and the application consumes around 10 uA of current. However, too often...
For example, I have the following code:
bool interruptFlag;
void interruptHanler(void)
{
interruptFlag = true;
}
void main(void)
{
while (true)
{
if (interruptFlag...
Hi
Has anyone been able to write to the UICR NFCPINS register?
I am using the following code and it i get a cpu reset
/*=============================================...
I am facing problem to connect my computer with another devices. when i am trying to connect it with another devices, it not show on another devices. So please help me to...
Hi, Nordic
When I use nrfutil dfu ble, it shows:
File "D:\Program Files\Python27\lib\site-packages\nordicsemi\dfu\dfu_transport_ble.py", line 226, in open
target_device_addr...
Documentation specifies levels of security mode 1, and first level means that connection is without any encryption. But how it is possible? Every connection starts with pairing...
Hi,
I have modified my files as mentioned here . When I upload the package, the template device show and I am able to connect. But when I subscribe to the notification...
I'm trying to find out if drawing more than 70mA through the PPK will damage it.
As I have a beeper on my custom board that can draw 200mA, and I'm concerned that attaching...
I have 6 RGB LED strips and I would like to control them by Raspberry PI. 6 strips with 3 colors each require 18 controllable PWM sources, so I have SN3218 which is exactly...
Hi all,
I'm new to nRF51822 and I'm trying to use the fds system.
However, I always get a NO MEM return code when calling the init method.
Any hint?
Thanks
This is my code，the problem is when cpu executed the __WFI() instruct it should be paused ,this means that NRF_LOG_INFO("wake up\r\n") should not been executed only after...
I am trying to integrate an ADXL345 with my nRF52. I am attempting to implement Bjørn Spockeli's driver which I stumbled upon here: devzone.nordicsemi.com/.../
I am using...
