why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
I am developing an application in which my device will have multiple android phones connected to it. Currently I have it working with one peripheral and after having upgraded...
Dear all,
I am working on one sensor project(temp and accelerometer sensors) where our Nordic nrf51822 soc should read the data using spi protocol and transfer it to the...
Hi, im using nrf 52 DK. Im currently working on BLE UART example. I need to send int16_t data type to my smartphone's nordic uart app. But i cant. I was using the function...
Hi,
My project is reaching the stage now where we are looking at getting a contract manufacturer to start making our devices. I was wondering what Nordic suggest for programming...
First, obviously error message is not correct, dll's are not used on linux. Message should give correct file name instead of prewritten one.
I have installed latest JLink...
Hi,
I'm trying to implement a custom bootloader update on the nRF52840 using SoftDevice s140 and SDK 13.0.0. With my new bootloader staged in a scratch region of flash...
Hi,
I have copied BLE Thermostat code from ARM mbed : developer.mbed.org/.../
As this code is on mbed 2 platform, i am trying to run it on embed 5.0. Getting below error...
Hello:
I dont seem to understand what the problem is. I have 2 external ICs, one is an IMU and the other is a CDC. Both have interrupt pins connected to the nordic nRF52832...
Hi All,
I am working on a project where i need to use a SPI 128x32 OLED display and a SD card interfaced over SPI to nRF52840 along with BLE. Although, i tried this with...
Hello,
I am developing a BLE app in which I need to print some logs to UART and recive some data from UART to my app.
Which modules should I use?
When I use logger...
my question is how to change the uuid in central to connect to peripheral and i want to send 20 bytes to central device using this uart_peripheral.
first of all my connection...
Hey,
I want to read the value of characteristic of conneceted peripheral. I'm using two BLE modules, one is peripheral and one is central. I connected with central to peripheral...
Hi. I have several questions about mbr.
1). Will mbr finish to write after unexpected power off?
2). Can I copy softdevice + application or only application using sd_mbr_command_copy_sd...