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...
Hello, I am trying to write some data to the Nrf52, but all I get is a read only response on my phone. Is there any example how to write to the nrf52 tag?
I'm working on a custom bootloader; below is the step taken but it doesn't workout:
By using a working UART example, change the linker script:
MEMORY
{
FLASH...
Hi guys,
I am trying to use pstorage to store a temperature data inside the ROM. I have to use it as efficiently as possible so that 20.000 erase cycles should be enough...
If I want to set transmit power to -4dB, these are the settings:
command=LE_TRANSMITTER_TEST (this wouldn't be used anyway)
freq=0x3C (meaning: -4dB)
length=2 (meaning...
Hi,
I would like to store firmware version number at a particular offset from the application start address so that it can be retrieved by boot loader as explained here...
Are there plans to release the files for download instead of online-only access through the Infocenter? It was always so nice to have them on-hand to grep in the previous...
When I try to compile DFU examples, I get the following errors :
"..\..\dfu_public_key.c(20): error: #35: #error directive: "Debug public key not valid for production...
I have my custom board wired to the nRF52 DK. Using the SAADC example code located in GitHub I am trying to set up SAADC to measure the coin cell battery that will power the...
I am sending and receiving streams of data over BLE.
Do I need to add a checksum byte for every GATT write/notification/indication to ensure that my data is not corrupt...
Hello All,
I am interfacing nRF905 as a receiver mode which are interface with nRF51 DK.
As a transmitter used this module www.alibaba.com/.../RF-100m-transmission-distance...
Hi,
I'm facing a little problem with custom service characteristic. I've set char settings as follows
attr_char_value.init_len = sizeof(uint8_t);
attr_char_value.init_offs...
Although this is easily fixable, Nordic engineers should be made aware that they made a minor change in SDKV12 that breaks makefiles on the Mac.
In /components/toolchain...
Hi,
I have downloaded the latest SDK12 for nRF52.
And i tried out the new "BLE Secure DFU Bootloader" example.
But i found that doing the BLE DFU with nrfutil on...
Hi,
I have nrf52 DK and sdk11.
I want to implement the time using internal RTC , the clock should run if the power is off ,i'm implementing in central code ,it has to...
