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...
I have meander antenna design on my board with matching network(similar to PCA10031).
Since I don't have access to VNA or Spectrum Analyzer for tuning antenna, I am tuning...
I'm building some code off of the twi_master_using_app_twi example which is available in the SDK (v11.0.0).
The two peripherals I'm working on are an accelerometer (LIS3DH...
I've just upgraded to Windows 10, and I've found that the PC freezes completely (i.e. no mouse movement, no keyboard response) when I unplug an nRF52 DK board. When I plug...
Hi,
In my application, I need 3 PWM to drive LED. Each PWM will have the same frequency but not the same duty cycle.
Is that possible to do that?
I know that Timer0 is...
hi
on android side of my project i try to disconnect from gatt by this code
mbluetoothGatt.disconnect();
but in nrf51422 this event not trigering
static void on_ble_evt...
Hello, I am working on low power modes and I got trouble finding the code to switch from NRF_POWER_MODE_CONSTLAT and NRF_POWER_MODE_LOWPWR. Can anyone please guide me to better...
Bonding causes power consumption to rise.
I have a central and peripheral device communicating using the nus-service. The peripheral device is running FreeRTOS with tickless...
Hi,
I'm trying to test the DFU over HCI included in the SDK examples but I can't make it work. This is all the information of the environment I'm using:
SDK: 10.0...
Condition: nRF52, SDK11,s132, SDS v2.0.
Using the sd_ble_gatts_hvx() in timer1 interrupt service(timer1 interrupt priority is set to level 3) will result in hardfault. While...
I am using SDK_11 s130. I am looking at app_error_fault_handler() in app_error_weak.c
Inside app_error_fault_handler(), there is this line of code;
UNUSED_VARIABLE(bsp_indication_set...
Hi,
I am using keil uvision 5.17, SD 130, nRF 51822, dualbank bootloader.
I have programmed own application and merged bootloader, application, soft device.
I...
I am using ble_app_gls on SDK_11 s130 on nRF51-dk.
This is a follow-up question to the question below.
devzone.nordicsemi.com/.../
After enabling debugging, I discovered...
Hi,
I'm using the example projects "ble_peripheral/ble_app_uart" "ble_central/ble_app_uart_c" in SDK10.0.0 to test data throughput.
I'm sending 20bytes of payload. But...
Hi,
I am using nrfjprog package installed in folder /opt/Nrfjprog. I am getting the fallowing error.
nrfjprog --eraseall
ERROR: JLinkARM.dll load failed. Try again...
