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 using the nRF52840 DK.
I managed to burn the on-board nRF52840 MCU several times, using the nRF connect windows app.
After several such successful burns, with various...
Hi,
According to the datasheet:
Does this mean that when i change my vdd from 3V to 2V, then the current peaks will be reduced? If so what does this:
graph means...
Hello,
I'm currently designing a custom bootloader to perform a DFU. So far I'm able to update the bootloader and the application, however there is a problem when I try...
I have been studying MQTT these days.
I'm testing the program below. https://github.com/NordicPlayground/fw-nrfconnect-nrf/blob/master/samples/nrf9160/mqtt_simple/src/main...
I use nrf52832 sdk15.2 to develop products, use WDT to prevent program crashes, WDT set time is 10S, nrf52832 will be paired and bound after connecting with IOS phone, when...
Hi!
I am trying to use the SAADC driver on SDK13, following some examples from the playground repo. I am using the app timer to trigger a measurement for 4 channels. ...
Hello,
I cant seem to find a PBKDF2 function in the SDK to generate a private key from a passphrase.
We want to use mbed-tls or CC310 to make a SHA512 based key for AES...
Hi Everyone,
I have a custom board with nRF52840 and am testing out basic GPIO functionalities with some LEDs. In the board, the LED cathode is connected to nRF52840 GPIO...
Using nRF Connect for PC Version 2.6.1
Connect to a peripheral device that ask for an ATT_MTU > 247 bytes
NRF Connect fails with
Failed to call gattsExchangeMtuReply...
Hi
I have implemented (heavily base on the found examples) an application which uses both ESB and BLE. For now I focus on developing the ESB part of the SW. I am using the...
Hi Sir,
According to the nRF52832_PS_v1.4.pdf, In section 17.1.1, the table shows the current consumption of Radio. What's difference w/ Iradio_tx0 and Is0? Why do we get...
Dear Nordic Team,
We are building a very low power wearable with the nRF52810, only powered by a small solar cell and a super-capacitor.
We would like to offer firmware...
Hey,
I am working on nRF52 DK boards. Suddenly PC is not detecting the one of my DK board, but the nrf53832 processor's LEDs are functioning as per the last program dumped...
I am trying to use multiple channels for beacon transmission.I want to hop to a different channel at an interval of 2 seconds.I have configured one device as a pan coordinator...
Hello,
I'm using following code to read two channels of SAADC. It works fine when device is not connected to BLE central device. As soon as it's connected, the saadc_callback...
