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...
So its seems nrf9160 docs recommend having VDD_GPIO only at 1.8v ... that running at 3.0v (or 3.3v) will compromise LTE performace.
I have 3.3v rail and 3.3v SPI device...
Hi Folks,
I'm trying to use the Power Profiler Kit. Unfortunately I keep getting 'Failed to start the PPK'. I've updated the drivers (and can program the nrf52832 DK with...
In the nRF52840 Product Specification v1.1 ( HTML ) , description of the QDEC peripheral, Table 77 on page 275 ( direct content link) , it appears to indicate that the LED...
Hi,
We have an freertos based app (SDK14.2).
Recently we have added a WDT support in the following manner:
The init code initializes the WDT reload value to T+3...
hi all, i am using the uart with it's dma to transfer data into the nrf9160, but some of the data is lost in it's way. here are some examples of the loss count in bytes from...
Hello,
I'm using several nRF52840 boards to setup a bluetooth mesh network. Im using the python script "interactive_pyaci.py" to setup the mesh. The mesh is working and...
Hi, As the title asks, I am using the lte_ble_gateway example project on the nRF9160 DK. I am able to connect one nRF52840 DK to the nRF9160 DK over BLE. I am trying to connect...
We have a board that has become unresponsive to programming. It worked well to program about 4 times and then is no longer responding to the J-Link device. The application...
Hi,
I tried implementing serial communication between nrf52832 and HT1632.It didnt work.In HT1632 data sheet it has given following specifications
will nrf52832 supports...
I am trying to build the simplest nRF52 BLE Peripheral application (Lightbulb use case). I am facing below mentioned errors:
Building ‘ble_lightbulb’ from solution ‘ble_lightbulb_pca10040_s132...
Dear all,
I'd like to use 2 spi and 1 i2c at the same time. Can nrf52 support? I read some thread said that only using 1 spi and i2c or 2 spi. Please advice.
regards...
I'm using SAADC like this:
And I'm not getting the done event. I've also tried not low power mode.
If I place a breakpoint in nrfx_saadc.c nrfx_saadc_irq_handler, after...
I'm compiling a custom application using the CMake scripts in the nRF mesh SDK , and I'm trying to print floats using vsnprintf (I'm guessing the problem is the same as with...
Hi,
We are using nRF52 DK tool to sniff BLE data. We we using Wireshark plugin to interface nRF52 DK tool. nRF52 is updated with latest firmware. We keep the tool in between...
