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...
Hi, I'm searching platform for my project.
I will need to send packets from big quantity of transmitters (nRF24LE1) to one reciever (nRF24L01), it will something like voting...
Hi i am interfacing mma842with nrf51822. but i am not getting data. i have uploaded code. can you tell me what is problem. i don't know i am not getting who am i id try.r...
I've noticed that our custom board sometimes does not work (e.g. execute the code) when the VCC drops to about 0.3V- 0.5V and comes back on again to 3.3V.
For testing I...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
In SDK_v11.0.0-2.alpha, there is a project: examples\ble_peripheral\ble_app_hrs_freertos\pca10028\ble_app_hrs_freertos\s130_with_dfu_pca10028.
But I can't find DFU service...
to # einar thorsrud
Req: from the cap-sense board, different tap will be done by user (like 2 times tap, 3 three times tap etc). so the Bluetooth board (nrf52) will receive...
Hi
I am writing an app to utilise the new LESC feature using Diffie Hellman related pairing. I am testing the app against the Nordic provided ble_app_multirole_lesc. I...
with SDK 10 I found 2 SPI libraries, spi_w5_master and nrf_driv_spi . I hesitate between them.
what' the difference between them? and what should I use when I'm using app_timer...
I saw this tutorial:
nRF51 current consumption guide
It's specifically directed to the nRF51, but I guess the principles of Tuning Advertising parameters must be general...
i'm looking to use only one timer for two independent activities:
battery service (as in Nordic examples) and
a routine to detect a certain button press pattern ...
Hi everybody.
I am makeing a custom circuit for nrf51822 CEAA. This circuit supports ANCS and DFU (nrf sdk 9.0.0). I use only external high frequency (16MHz) oscillator...
Forgive me if there is an obvious answer to this; thanks for your patience.
I'm a long time developer but new to the area of BT in general. After a day or so starting with...
