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 all,
I have a quesion about reading a value's characteristic in the Android app nrf Master control panel.
I read a value, and i have the good value but i have a letter...
What happens if I call app_timer_start() to start a repeated timer. And at the same time I do a pstorage_clear() and pstorage_store()? Will the timer events get halted during...
I'm using the softdevice S310 on nRF51422 and when the softdevice is enable and I erase flash, the device won't go to sleep.
My code implementation is like as below:
...
There is a way to set the initial value of a characteristic. But how do I set the value after this without sending a notify to the master? Is it possible to write the value...
Hello,
i want use the port event to trigger timer 1. I need only one interrupt source and i don't want to use the pin event because of the higher current consumption. Its...
are there any cheap watch platforms that use nordic?
i want to make a kid alarm / potty alarm watch
do not want to develop hardware
would use nordic if i can find...
Hi,
when i m using only Proximity . when I use
- (void) centralManager:(CBCentralManager ) manager didPeripheralSelected:(CBPeripheral*) peripheral;*
this method in ProximityViewController...
Hi,
I'm trying to transfer data received from BLE to SPI. When the handler of my service in BLE is achieved I transfer the data I received to SPI.
I know the max that...
Hi all,
I am using ble mesh code, it has version based. For my application( needs to blink led synchronously in mesh) i don't need version part, so i tried with using if...
As your datasheet, External HFXO's Run current is 250uA, but HFINT case is 60uA.
Despite lager current, why do you use HFXO in reference circuit?
I would like to use HFINT...
