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'm using the PCA10028 and S130 based on SDK9.0。Now I have save the device name(such as "My device") in the flash,so the 51822 can read the device name and update...
I would like to log the adc value on the RTT Viewer.
uint16_t adc_result; This is the variable, which I would like to log.
So after the measuring I call:
SEGGER_RTT_WriteString...
I did proper connection of lcd to nordic board. and did proper contrast setting.
But not able to display anything on lcd.
i am using JHD162A 16x2 lcd.
www.brodie...
Hi guys what's the latest revision of "nRF51822 Bluetooth Smart Beacon Kits"? that's the beacon with the battery, the revision is written on the envelope.
I thought it...
Hello everyone,
The more I learn, the more I learn how much more I have to learn.
I am pretty new to embedded systems development. I am tasked with developing an nRF52...
Hello,
I've had to redesign my bootloader and I am now stuck with a problem that I can not solve. I need to know the correct workflow for switching from bootloader to application...
I use the nrf51822QFAA, and s110 v8.0.0.
now I need update the application,i have the keil created hex file,
How can I create the ZIP file use the application hex file?...
I have built a PCB that includes the nRF51822. I have AIN7 reading an input voltage that I measure on my DMM at 269mV.
When I measure the voltage through the nRF51822's...
Hi, I have an application where I am recording button presses using a beacon-like implementation. The button presses represent start/finish events for a race and are communicated...
In my setup, i have a Node with SD130 as peripheral to Smartphone and as a central to a BLE peripheral.
I need to store some Unique ID about the Smart phone and a Peripheral...
I find out that
The s110 can only connect to a single
central, but is able to do
non-connectable advertising while in
that connection
by here
So is this...
Hello,
I have a problem with the sd_flash_write function. It HardFaults on me and I can't seem to find out why. The Addresses are 4 byte aligned...
The function is called...
Hello,
I have written a timer driver with timer 0 without SD and used 24 bit mode and it is working.
But when I used the same driver with softdevice and Timer 2 and...
