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 all i want to do a task that is control another LED using ble_app_blinky. In the ble_app_blinky project a characteristic is used to control an onboad LED. I have connected...
After 3 days of debugging and hours on the forums trying out various things, I just wanted to post a mini quick start guide to getting low power working. Turns out that all...
Hi Guys，
I want to implement a Vendor-defined USB HID device, But encountered the following problems:
1.When the PC sends data via USB HID , the slave(52840) cannot enter...
Since SDK15.3.0 the DFU example code has changed to require signed DFU commands.The DFU that we used is base very closely on the Nordic example. In our update process we have...
Hi,
I am facing an issue with the RSSI value when my device is in connected mode.
First, in ble_evt_handler(),
in the BLE_GAP_EVT_CONNECTED case, I place the following...
Hi I am using NCS version 1.5.0 and DK version 1.0.0
If I want to build any application using nrf9160dk_nrf9160 Im getting the following error.
Traceback (most recent...
Hello, We are about to release a Firmware update for our vibration sensors and we are now testing the consumption of the new firmware. Our sensor is a nRF51822 + Accelerometer...
I'm building a BLE Peripheral device using Arduino and Adafruit's nRF8001 BLE module. I can find and connect to the BLE Peripheral using any number of iOS BLE discovery apps...
I'm using Windows 10 64 bit version. I've Nordic SDK example usbd_ble_uart_pca10056_s140 loaded onto my Embedded Studio. I compiled the code and loaded into the DK. I have...
Hello,
I try to add the pc-ble driver from Nordic to my Qt application, but my application crashes all the time without a specific error. So I need some help with the implementation...
I am running a GATT server on nRF52 and I am saving the CCCD state after bonding but does Android/iOS as a client also save the state? I only looked at the Android API side...
Hi,
I have two questions:
1) I'm making a custom board for a hobby project! Are there any limitations to running a SPI driver with a voltage high of 1.8V? It seems that...
So I am using ESB and want a very percise timer. Because the 16mhz clock is not 2^n we want it to roll over at a certain value that is a multiple of 16mhz, so we chose 4.096E9...
Hi, I would like to add LED animation when DFU is in place. I know where to start it and where to stop it in the secure_bootloader source. The main issue for me is to add...
