My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
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...
I've found out that softdevice S130 cannot handle the length longer than default MTU(23).
But I know L2CAP is responsible for assembling and disassembling packet.
So...
