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...
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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 been developing a bluetooth chip based on nRF51822 QFAC. I have followed the design rules very closely but at the end I do not get any bluetooth signal coming...
main.c Hi ,
I'm using nRF51822 and S110 stack and sd_6.0.0.
having an ble app UART example.
Facing a strange problem that when (from nrf Uart App)connecting and disconnecting...
Hi
I set one GPIO interrupt with low-to-high sense, but seems it did not triggle the interrupt when SD run.
I want to confirm the SD would make the interrupt loss? If so...
Hi folks,
I have a 2MHz clock (call it DRDY) coming into my nRF51 on one of the GPIO pins (call it AFE_DRDY). I need to read an external AFE chip on every falling edge...
I have a project where specification requires disconnecting immediately after sending a response to a BLE read request. I'm using authorized reads.
Currently, I'm using...
Hello,
I am measuring 5~6 mA of current consumption in standby mode, even when not broadcasting/connected. Why is it so high?
Aditional info:
I am using a custom...
I am using IAR workbench. Using softdevice s110 Version 7.
I have created a bootloader at memory address 0x3A000.
My application sits at 0x16000.
My application checks...
I used the sample code from nordic with nRF51822. DTM works fine. sensibility test gives me 0% on the 3 channels. Perfect.
Then I copied and paste into my code, calling...
I'm compiling and running correctly but the Keil software program for St- Link does not work I have . Have a different method to compile and install nrf51822 ?
on iOS 9 beta 5, ANCS doesn't work.
Steps to reproduce:
On iPhone, Settings -> Bluetooth
Tap to connect and pair
Make a phone call on another device
no caller...
Good work,
I am trying to control with android i nrf51822 But I have a problem. Ten LEDs After connecting the device with Android when I press the off button or "device does...
redbearlab nrf51822 led controller with android.nrf51822 with android connected.But led on off Device does not support uart.Disconnecting.
How solving is the problem ?
I wrote code usenig de Development Board 10028 (nrf51422).
I bought in aliexpress This model link text
The first question I remember There is almost no difference between...
