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...
The default SDK v14.2 PCA10040e (nrf52810) ble_ap_templete compiles to 131.7 KB Flash in SES and 34 KB Flash in Keil. I would think would have both project configured similarly...
I have looked over other posts regarding the iRAM and iROM settings for flashing firmware to nrf51822 devices but I am still lost on where to start. I've referenced the page...
I'm trying to create an automated script for deploying the command line tools with the segger Jlink driver.
I'm currently using the 9.6.0 installer with the following command...
So I reinstalled one of my Linux boxes (again) a few days ago, and one of the things I need to do to get all the development environment up and running (again) is get the...
Hi everyone,
I'm currently working on MAX30100 sensor and i need to read this sensor data with i2c, currently i'm able to read mpu6050 and 9255. However i don't have much...
Hi all,
My BLE device uses the NUS profile to send data to a connected smart device. At the same time it should also be possible to connect to a RPi/Linux based gateway...
I now use nrf52832 to do development, nrf52832 and mobile phones to transfer the data is relatively large, I would like to achieve For mobile phones that support BLE4.2, a...
Hi Everyone,
I have been experimenting around with the low power SAADC example in SDK13.
I am using PCA10040 dev board and I have programmed it to start/stop ADC sampling...
Hi,
We've been developing an peripheral HID over BLE using Nordic's SDK, connecting with iOS, Android, and Windows devices. (Board: nRF52832, SDK 14)
We've noticed an...
Using 2.0.0-1.beta on Linux Mint 18.
Have installed pyserial with: sudo pip install pyserial --upgrade --ignore-installed
resulting in:
Installing collected packages...
hi ;
now after i maked a successful connection between smart phone and nrf51822 and i could change the state of gpio pin 20 i find a new problem
i want my pin is still...
Hi All,
Just wondering if i'm doing the right thing here.
So i am using the example of the central device to get started.The idea i'm trying to do is to use the central...
Hi,
I am working on my production hardware with nRF52840 on it. I am using MBED OS. What should be the memory map of 52840 for soft device and Application code? I am using...
Here are my system requirements:
A single "Controller" needs to send 4 bytes of data per node.
There are 25 nodes in a system (100 bytes total payload).
All nodes must...