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...
Dear all,
Sorry for asking an old question but I can't find any similar situation in the forum. I now have 3 boards: 1 is 52810 EVB, 1 is 52810 QFAA ( 48 pins) custom made...
I bougth pca10056 and I need use it with Keil, but I do not find the pack installer for this board on "Pack Installer".
Furthermore, keil does not recognize my board.
...
I am using a lithium polymer 4.2V battery to power an nRF51822 (as a side note the power goes through a voltage regulator before going to Vdd). I want to be able to check...
When calling app_sched_event_put() no check is done whether the exact same record (same data, length and function pointer) already exists in the queue. We have setup where...
Hello,
I've tried to implement a custom service with a custom chacteristic, that shows the values per notification in the MCP (Master Control Panel) in percentage.
I played...
Hi,
I am using NRF24L01 module and I would like to transmit I2S signal through this module. I used SGTL 5000 audio shield for converting audio signal from microphone to...
Hi,
I'd like to determine the cause of a watchdog reset. I was hoping to utilize the WDT event handler (passed in to nrf_drv_wdt_init() ) to record the PC of the application...
I am trying to get the S132 Central Multilink example to run with 20 peripherals instead of 8. So far, I have made the following modifications:
In sdk_config:
Increased...
I wonder about the accuracy specifications in chapter 9 of the ppk user guide. It says +-20% of readout on average value. Is this only the calculated average of the python...
Using S130 to request notifications of radio activity as:
fails with NRF_ERROR_INVALID_PARAM.
Is there a reason this combination is disallowed? The use case for it is...
I would like to add the UART part to my application. But I will get these errors:
..........\components\libraries\uart\app_uart_fifo.c(109): error: #20: identifier "UART0_CONFIG_PSEL_TXD...
I am working on an automation project wherein I have to integrate ESP8266 with nRF51SDK. So, I want to serially send and receive strings over a physical UART connection, not...
Hello All
For our project we are using teensy3.6 as our main micro controller unit and NRF24L01 as RF transmission device.
Our project include mainly 2 parts
1) Data...
Hi. I've encountered a problem with some of my nrf24le1 chip (near every 5th piece) - current in deep sleep mode is very high (30-80 uA), if i change it to another chip, then...
Does the ui depend on the app design(nrf connect app) or on writing data in the characteristics. For the predifined i am getting a switch but for the one i added i have to...
