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 have my own hardware design with the nRF52840 on it. I more or less copied the whole radio/antenna part from the dev kit reference design. The blinky example works fine...
After checking and searching, i found this ble_gatts_conn_cfg_t::hvn_tx_queue_size should be the key to set it. In my custom project (SD132 V5 + SDK14.1) the only setting...
Hi
I'm using IAR Compiler and need to generate some PWM outputs. I tried to use the example code from the pwm_library. But the compiler is generating an Error on the macro...
I am using PCA 10040 development boards with soft device version s132_nrf52_3.0.0 to investigate Central/Peripheral communications.
A PCA 10040 acts as a Central making...
Here is calibration of UART data using ADXL345.
and the data is followed by x, y & z value, for example x = -42, y = 20, z = 268. and then after calibrated 10x which is...
We are upgrading an existing product to use Bluetooth instead of the parallel port.
It must support >20kbit/sec communications between the device and the host PC.
We...
Hey Nordic devzone,
I am tinkering with the following multiprotocol examples:
ble_thread_dyn_mtd_coap_cli (client)
ble_thread_dyn_template (server)
Currently the client...
Hi, I'm using nRF52832 with sdk 13.1.0(softdevice 4.0.2). I had trouble to connect nRF52832 in some android smart device.When I restart Bluetooth,Sometimes there are problems...
Hi, I'm using nRF52832 with sdk 13.1.0(softdevice 4.0.2). I had trouble to scan nRF52832 in android smart device.When i disconnect the device a long time when the status is...
hello,
I use my own code to test IOS message notifications ,
call nrf_ble_ancs_c_request_attrs function, then did not receive the data source,
Triggered the BLE_ANCS_C_EVT_NP_ERROR...
I am following blogs and questions for image transfer with nrf52 and arducam on this site and github . I can see we can use arducam OV2640 module. It has FPGA chip at back...
Hi all , I have a trouble . I am using ble_app_hrs_rscs_relay example . I modify it for NUS service . I have 3 board . peripheral <-> role <-> central via NUS . It work fine...
Im following the example Alert Notification Application and read this instruction:
In nRF Connect, create the Alert Notification Service (ANS) server by performing the...
Based on my experiment, ATT_MTU sample application can achieve throughput of 900 Kbps with the following settings:
SDK 14.2.0
ATT MTU size: 247
Connection interval...