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'm having a very strange issue when trying to debug application code on my Nordic platform. I'm hoping that someone else can shed some light on the issue, or at least confirm...
Hi all,
I have followed the guide (AN-29) for using eclipse with the nRF51822 but it gives me several errors.
First at all, the linker says:
...../arm-none-eabi/bin...
Is there an example code anywhere for the nRF51822 to calibrate the internal 32khz RC oscillator using the 16mhz crystal when not using the BLE stack/softdevice?
I would...
Hi,
does firmware or example source code exist for the PCA10000 USB dongle that implements the Bluetooth HID host?
I would like to use it as receiver for the Nordic Smart...
Hi all,
I am trying to specify a fixed port for a L2CAP connection on the nRF51822. The client is a Linux box running bluez (which has BLE support). The client software...
Hi,
Just bought the nRF51822 eval kit. Looks like it came with some great demos for iPhone (nRF_Demo_Utility, nRF_Proximity, nRF_Temp, nRF_UART), but having trouble getting...
Hi,
I upgraded to the 4.3 nRF51 last night and am suddenly having a whole slew of issues:
(1) When flashing the EK, the Segger now reports 257K of Flash (maybe it did...
Hi,
I'm looking to work with a Bluetooth LE master device. From what I read the nRF51822 should be able to function as a Master device (the dongle is configured to be a...
Hi all
I want to load the (UART_example) flash image compile with Keil by nRFgo studio,
but a program fail occur as below screenshot:
any idea?
Thanks.
I have test RTC example on both different hardware revision nRF51822 chip.
1)N51822 QFAAC0 1309AF
2)N51822 QFAAC0 1308AE
1309AF revision chip is function properly with...
I'm confused about how to assign a functional block's I/O (TWI in my case) to a particular pin on the device. Is there a worked and documented example? Is there a relevant...
I am trying to get wireless communication implemented on a robotics project I am working on. I'm using a PIC18F4550, PIC18F2550, and two Nordic nRF24L01's. I'm having trouble...
I'm attempting to have two separate evaluation boards talk to each other through the GHz Radio. I've read the docs, and they explain that I have to set the radio in either...
Hi, I am using a app_gpiote_user_register to register a gpiote user and then enabling it, before I set the pins this user detect to be input using nrf_gpio_cfg_input. When...
