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...
Setting up an example of the problem
As I promised in this thread , I have been testing out the ADC on the nRF51822 and trying to see how quickly I can sample per minute...
I'm using FDS in SDK 11.0.0 on a nRF52832. I was having some trouble with freeing flash storage and after doing some research I came across this post and I applied this patch...
Hello,
There is a bug in pstorage.c from SDK which can cause that module to fail to complete a flash operation. The problem is that the pstorage_sys_evt_handler function...
The product spec says "This event will also be generated if the supply voltage is already below VPOF at the time the POF is enabled" but it seems like the event is not generated...
I have a BLE device that is using Nordic SDK 8.1 and uses PWM to control an LED. Now I want to turn the led off with PWM. To do this I set the duty cycle to 0 and printed...
Hi,
I'm working on nrf51822 with soft device s130. I'm trying to send a data packets from the nRF51822 over BLE to an android device.
I want to know how much data...
Hi!
I try to create a custom service. To do that I copied the ble_bas service and followed this guide.
You can see my init function here:
#define APP_UUID {{ 0xC0...
Hi. I'm using nRF51822AC, SDK12.2.0, S130 as central and peripheral.
Q1. What's "sd_ble_uuid_vs_add" function? is it for setting service UUID?
Q2. If Q1 yes, how to change...
I was reading a review of this product from a 3th party and they was claiming that a disadvantage about using this chip is that "Some peripherals and resources are not available...
SDK: 13.0.0.0-1.alpha
example ： ble_app_hrs_freertos
I am developing a product, referring to the “ble_app_hrs_freertos” example, when I tested my functions found a serious...
I've just tried to update the mbed firmware on an nRF52-DK to version 0219, and have hit some problems. Firstly, after dragging the .bin file into the Bootloader drive, my...
I've had a sequene of problems attempting to install the power profiler software on my Lenovo T420 Win7 64 bit machine.
First Issue
When attempting to run the python_packages...
I would like to pick up audio signal with a microphone for ex. AKU340, then use audio codec to digitize it, then save the output in a SD card connected to the nrf52, reading...
Hi there! I am a beginner of bluetooth technology.
We try to build a kind of IoT based on bluetooth mesh nodes with nRF51822. According to the instruction of nRF Connect...
