Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hey. If the device is repeatedly flashed without turning off its power (it does not matter if I program it through SES or nRFgo), it may start to malfunction or slow down...
Hello
I would like to use three PWM to output multiple sounds with one buzzer.
First of all, I am testing using two PWM. There is no problem using only one PWM, but there...
Hi, I'm currently using TAIYO YUDEN's EYSLCNZWW (nRF52810) and We are developing a device like a pulse oximeter.
I would like to change SAADC_SAMPLE_RATE from 400ms to 100ms...
Hi, after using the nRF SDK examples with SES for some time now, I decided to go with a project from scratch but for some strange reason the directory where I keep the nRF...
Hi everyone,
I am using the custom nRF52840 module provided by Raytac. I integrated into my evaluation board and I flash it using SWD and JLink debugger. My problem is that...
I have DFU code base working. It consists of a thin layer of our code, and majority is from Bootloader component from SDK v17.
I started with DFU OTA, and then incorporated...
Hello,
I am trying to reproduce the Mesh Light Switch demo at home now, with my own dev equipment and have hit some problems I did not expect -
Problem:
nRF52840 Dongle...
I have developed an app for the nrf51822, using the nrf51-dk with SDK12.3, together with DFU functionality.
After having solved many issues to get to this point with the...
Hello, I'm using nrf52832 with SDK 15.0 and softdeveice 6.0.0.
I need to handle interrupts with different priorities on two different I/O pins. How is the correct configuration...
Hello, I'quiet new in Zephyr.
So tell me if I'm wrong.
I would like to test driver mcp23s17 present on zephyr.
I've add in .overlay file
And now I want to initialize...
Hi all,
I'm programming nRF52833 with SDK17.
I want to use only one channel (for example 37) to broadcast advertising during advertise interval and also one channel of...
My team was looking to transfer a 20-byte value (or 'message') between a mesh client and server, what is the best way to achieve this? I have practiced with the light_switch...
Hi,
I am currently developing an application for the NRF52840 using a custom pcb powered through the VDDH pin using a 4.2v lithium ion battery. Part of my application requires...
