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...
while using example buttonless DFU in sdk13.1, writing to flash using flash_word_write() is preventing ble connections, even though ble is advertising.
can anyone help...
I want to generate an interrupt event use pin30 when it goes from low->high or high->low.
First I register a gpiote user by
app_gpiote_user_params_t app_gpiote_params...
I found out answers for calculating data rate during connections, which depends upon connection interval, no of packets allowed in each connection and no of bytes in a single...
I am trying to stop RTC by pressing one button and wake up again by releasing the same button.
My RTC now runs around 4 uA while being on system-on sleep mode by __SEV();...
Hi,
I managed to get dfu working in application (with hrs). But on the last attempt to erase page with bootloader settings there is no event generated from softdevice and...
dear all,
i need your help.
Where we are:
We use mbed software developer platform.
We have BLE Nano V1.5 + MK20 USB Board V1.0 from RedBear.
We are able to generate...
I would like to know how frequently my peripheral is sending advertising and data packets. I've tried using ble-sniffer-osx but it doesn't actually reveal any device names...
Has anyone successfully used the Android-Beacon Library to detect the nRF51822 Beacon on and Android application? I tried several different layouts but I just can't detect...
Hi everyone;
i think about possibility of using nrf sniffer with custom nrf51822 (QFAA) board . if yes, how can i achieve? could you please help me about it
Best Re...
Hi All,
This is my first time i am designing a PCB for nrf52840, I need a suggestion regarding the antenna to be used. I am going to have an application over BLE. Which...
I want to add a timeout to the secure DFU bootloader if I enter it from the application. I found this post here devzone.nordicsemi.com/.../ but unfortuately I can't use the...
Hi I'm looking forward to hear if I could program an nRf51822 QFAA without using the development kit/board. The chip I have currently is a N51822- S4AT, from Wireless Tag...
we are facing problem with smt M905 module. is there any basic error with this module pad?
smt factory in china failed several times to solder this module.
Hi - In my app, I'm using Bluetooth, the ADC, the TWI, and the SPI. The general idea is to measure lots of things, store the data in SPI NOR FLASH, and occasionally flush...
