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 need two signals with a phase shift to control my motor. For some reason, completely randomly, sometimes my GPIOTE event is not triggered and i get the inversion...
Hi All,
Based on nRF52832 SDK14.2 rtc example, I want to change it to retrigger RTC Compare0, let the LED1 also toggle every 3s, instead of keeping LED1 on. I tried to add...
Hi, guys, I have an IR receiver module with 3 pin (AX-1838HS) ?
How can I use it on my nrf52832 ? I have PCA10040 development board. I don't know how to connect them and...
I need to drive a stepper motor without software intervention, since strict timing is a must.In the following image you can see the required wave-forms - the motor requires...
The SD API (S132-6.0.0) documentation provides little beyond what one could guess from the function and type names. sd_mutex_acquire says "Attempt to acquire a mutex". nrf_mutex_t...
Hi i am doing a prosject to get notification on cell phone when i get mail in my postbox (postbox outside the house) I am using a nRF51 dongle, and want it to connect to cellphone...
Hi! I'm working on HID mouse example on SDK 13.0.0. I'm supposed to use this as a low power media button control. I've done a few modicifations on the code for power optimizations...
I know that few companies choose to use NRF528001 with a separate microcontroller like Fitbit.
I would like to know why would they do so instead of using an NRF52 chip that...
Hey,
I am using a nRF8001 with a STM32L051 as an application controller.
After resetting the nRF the RDYN pin goes low, as expected. Then I'm setting the REQN line LOW...
Hello all,
I have a Nordic Thingy 52 board, and I have download the Thingy 52 SDK, I can debug it successfully.
But after I debug it , or download it, the board runs with...
We have an application with FreeRTOS. If we do not initialize softdevice, the freertos interrupts tend to come in at a very very slow rate. I know that softdevice does clock...
nRFgo Studio displays a "Enable reset pin" option on the nRF52 DK but does not display this option on our custom hardware; we use a Segger J-Link for programming the custom...
Hello,
I would like to know the CALIBRATEOFFSET function in detail.
Could you disclose the part of source code on this CALIBRATEOFFSET function?
Best regards,
Kiyoshi...
