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,
in, for example, the multilink example app, central role.
I would like to disconnect a peripheral role device once a notification has been received...
... is it correct...
I am using a stripped version of ble_app_hrs of SDK5.1 with Softdevice 6.
I stripped all services from ble_app_hrs except the DIS. ( so removed battery, hrs, buttons and...
Hi,
question is probably trivial, but I cannot find answer for second hour, so maybe somebody know, how to set that same address for Application downloaded from Keil and...
Is the nRF51822 susceptible to being bricked if the programming port is accidentally disconnected during programming? Does it use any protective measures such as a checksum...
I'm using nRF51422-QFAA E00 with S310, nRF51 5.2.0
When I configure ANT channel as a Master with Network number 0, all works OK. But if I try to set different network number...
50ms_measure_30ms_other.jpg
Attached is current measured using the s310 softdevice
Every 50ms timer takes a twi measurement, which is a twi 6 byte read followed immediately...
I am trying to write a bootloader that will work with the S120. Both the examples seem to only work with the S110, so they don't help much. I already have the binary I want...
Hi,
we can send data from server to client by sd_ble_gatts_hvx() in ble_app_hrs but:
1.How does the client receive those data?
2.How dose the client send data to...
I have two boards similar to www.aliexpress.com/.../1862953539.html
openocd on one board shows:
Info : nRF51822-QFAA(build code: G0) 256kB Flash
and on the other...
I need my device in some conditions to create an alarm which will be readable for any BLE device in range. Is it possible? What is the right way of doing so?
Thank you.
Dear all,
I am following the user guide nRF51822_Evaluation_Kit User_Guide v1.2.pdf
When I try to compile the example
C:\Keil_v5\ARM\Device\Nordic\nrf51822\Board\pca10001...
Is there anywhere I can buy just a J-link Lite? We have a couple of developers working on the nRF51822 and I need to get some additional debuggers, and would rather not buy...
I am using the app_button to handle all incoming button presses. On a press detection I trigger an app_timer which handles tracking how long the button has been pushed, and...
I just starting out trying to get an Eclipse dev environment up and running. I've tried following nAN-29 but it seems out of date. The issues I run into are:
CDT...