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...
Hello,
For me, at the moment there are two things unclear.
With the help of some Nordic examples, I was able to add a Service with 3 characteristics to the used S120 BLE...
Hello all,
I'm new to embedded development and could use some help here.
I am currently working on our own board with a nRF51822 chip on it and using SEGGER j-link to...
Hi,
I just got my nrf51 dk and my task is to connect it with a bluetooth device, say a bluetooth treadmill, and retrieve data from it. The bluetooth treadmill was designed...
hi, i'm trying to develop a wearable health device.
actually, the device is a little unusual because it is attached to the Armpit or sole of the foot or inside knee ..
...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello
I'm trying to diagnose a problem I have with my own hand-soldered nRF51822-QFAA based bluetooth proximity device. I have the PCA10028 development kit to compare with...
MasterEmulator Version 2.1.12.6,
PCA10000 Version 1.0,
MEFW nRF51822 version 0.9.0,
The log file shows the following;
12;18:17:38.4681 [] - - Start of script: (2015...
Hello,
I am working with S130 softdevice. I am using SDK v6. I want to send multiple data as a single characteristic value (possibly as a structure). But it is seen that...
I'm playing with open-source IoT over Bluetooth and recently was told about TI's new SensorTag product line which uses a CC2650 multi-sensor bluetooth base platform with pluggable...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
I'm having a weird issue where the stock sdk 8.1.0 DFU software is not timing out properly and getting stuck in the bootloader, advertising dfuTarg forever.
Our iOS app...
In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
I want to add a battery level characteristics to a custom service. Here is my approach:
In main.c, I add a timer to update battery level periodically
void data_update_timer_timeout_handler...
So I've been having issues with my debuggers where occasionally Keil will crash and I won't be able to reconnect to the debugger interface without a power cycle (might be...
