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 everyone,
It seems like a very basic issue but somehow I am unable to resolve it.
I have a characteristic of length 20 bytes. This characteristic is supposed to...
Hi everyone,
I am having problems in getting the twi peripheral to work properly with the accelerometer I am using ( NXP MM8653FC).
I am getting some wierd issues, firstly...
Hi,
I have noticed strange behavior when Android-Image-Transfer-Demo firmware is used (SDK13, softdevice 5.0.0-2.): Demo kit does not startup if powered from the coin battery...
Hello!
I am putting (with a wave generator) a square wave on pin 17 of the microcontroller, and I want that same wave to come out on pin 18.
How do I do that?
Do you have...
I'm using SDK v 12.2 project ble_central/ble_app_uart_c using GCC
After running the project for awhile a stack overflow in the ble_stack_thread() is detected which eventually...
Hi,
I'm modifying the light_switch client example, so that I can use GPIO as input instead of the button. I was able to build the modified example in SES and download it...
I'm attempting Mesh DFU on an Ubuntu 16.04 system. Here are the steps in the quick start guide along with corresponding notes on my setup:
nrfutil keys --gen-key private_key...
We are currently developing on the PCA10056 as we wait for our development boards. We would like to implement UART0 as a debug port, that we can output the log messages to...
Hi,
Can somebody explain how the Ax, Bx and Tx registers are used in the calculation of the temperature reported by the temperature sensor block in an nRF52832?
What we...
Hi,
I need to connect multiple SPI slaves in a daisy chain. It seems that using nrfx_spim_init once and nrfx_spim_xfer at each transfer is the simplest way to go using the...
hello, i want to synchronyze differents peripheral with a central thanks to the state of gpio i have this code but when i call gpiote() i hava nothing in return why ?
void...
I have done some reading on the forums and have seen that Martin Bohrs-Lind has ported the EMDv6.12 to SDKv14.2 and the nRF52832, here . I have keil v 5 compiling his work...
Hi
What would be the best way to interface a wireless charging circuit with a nRF52 device?
I've found a IC from Texas instruments that does the job, but is it safe to...
Hello,
I am using sdk12.2.2 and nrf52832 customized board. I am putting mcu to sleep mode using sd_power_system_off. Now when I am pressing button for first time I am not...
