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...
There are many places in the file fsm.c that have this compile condition check
#if defined FSM_DEBUG
blabla
#endif
that is wrong. The compiler will ignore it. There...
Dear Nordic,
Hello, I have to configure 2 UART. I have saw this post .
however, I have made a demo version for the project without 2 UART function, so I hope to apply...
Hello, I´m trying to compile the BLE Heart Rate service projects using SEGGER Embedded Studio. After importing the project from nrf52 SDK, I tried building the project but...
Hello,
I want to implement home automation project using 3 nRF52840 dongles. i.e I want to connect all the 3 dongles with each other and the signal sent from one device...
Hello, I am trying to design a product based on BLE MESH. I would need gateway to be able to accumulate data from network and send it outside. I need that gateway to connect...
Hi,
I have gone through the "ble_app_hids_mouse" example program. So far the program seems to work great, but how do we take control of the buttons since the function used...
Hello,
We have plan to use nRF52832-CIAA with external antenna connector (MHF4). I noticed that in 4-layer reference design layout there is quite big square keepouts on...
Hi,
I am using sdk 14.2.0.
i am using freeRTOS,created 3 threads.
all are running fine,but just for while(2 - 3 minutes).
after that, all the threads stoped.
may...
Hi,
I am doing OOB commissioning with OpenThread. According to section 10.12 of Thread 1.1.1 specification, Active / Pending Operational Datasets need to be persisted to...
Hello,
I'm trying to connect external RTC, which has a 32kHz clock on it's pin to nRF52832. So far I've had issues with connecting this clock to P0.00 pin and having P0...
Hi all:
when i add uart code in ble_multilink ,and it gived me errors like this:
"<error> app: Fatal error <warning> app: System reset <error> app: Fatal error <warning...
If I put too many characters into a serial using IRQ mode, it stops reading input.
I haven't tried polling or DMA yet.
Using
nRF5_SDK_15.0.0_a53641a
gcc-arm-none...
Hi ,
can u please provide more details about error code 4, returned by ble_ancs_c_init function.
what is this error, and how to resolve it???
thanks,
amarjeet
Hi there,
we are developing an application based on simple IEEE 802.15.4 packets, for which we use the radio peripheral. Every example found in the SDK starts with switching...