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...
Is there a hook anywhere in the SD (130/132) to let me generate my own LTKs, EDIV and RAND during the bonding process? I don't think so, I've not found one, but perhaps I...
Good afternoon.
I´m using nrf51-dk with SDK 9.0.0, s110 softdevice and uart nordic app on mobile. I have a program in my nrf51-dk that it sends and receives data between...
Hi all,
We are using nRF51822-QFAA-R7 to develop our HUD system. The BLE connection is not stable some time.
For most iphone 6/6s, the BLE can connect for a short time...
Hi. Im beginner in BLE.I have a question. how PipesOpen bitmap in Pipe Status Event create? is it sent from smartphone application to nRF and nRF sends them in Pipe status...
Hello everyone,
I am using 3 nrf24L01 on arduino Uno boards.
One arduino is the coordinator and the others are nodes.
The coordinator send on a specific pipe a value...
hi, I am a beginer with 24le1. as we know, when the chip in standby mode, it can be waken up by rtc2 or RF interrupt.
if it is waken by RF, how do I know how long...
Is it possible to have a gatt characteristic user description being read only?
I'm currently using this configuration, but the "nrf master control" android app allows me...
in this tutorial
devzone.nordicsemi.com/.../
i download .zip version and copy that example but it show me this error and say download this
and this is my folder...
Can you specify any chip in which we can have distance parametre also from receiver to Transmitter.
Please provide any link for its Evaluation board also.
Regards,
...
image description (/attachment/464b945b7dfd5bcb858b14aa400f0933)
Hello everyone,
I am using the ble_lbs example when i checked in the Master control panel initially...
Hi,
The program I'm testing is mainly based on the example code Martin provided in
devzone.nordicsemi.com/.../
First test was that to read sensor data (MPU6050) by...
hi. Im working with nrf8001 type c in a self-designed board and im using arduino library driver on github by nordic. my mcu is stm32 and i ported library to my mcu.
when...
I'm using nRF 52383 and need one of the GPIO pins to clock an external device with 4MHz clock.
Can any GPIO be configured as clock output or is there a specific group of...
Hi, all.
I want data read from gyro sensor through i2c, and then send it through bluetooth equipment.(PC or iPhone and so on)
My development environment is like below...
Hi everybody.
I am making a custom circuit which using external LDO with output is 2.5 volt.
Then I use this 2.5 volt as VCC_nrf for the nrf51 chip which using internal...
