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,
Recently, I am playing around with the NRF51 dongle and trying to make it work as a BLE master.
However, when I run the sample code(e.g. advertising, multi-link .etc...
Hello, i am seeing a strange behaviour of pstorage module and i don't understand what is happening. I have read links below:
pstorage-problem-on-power-off
saving-data...
Hi,
I haven't been able to find a clear answer to this.
With the ESB protocol, a payload can be stored in the PRX TX FIFO to be sent back to the PTX as part of the ACK...
I have some nrf51422s beacons and wondering if they can send and receive data. So I want it to keep transmitting its id and signal strength but if somebody is reading the...
I am trying to implement the ANT+ Environment Profile using the nRF51 DK and I was wondering if anyone had done this and could point me in the right direction to start. I...
how to synchronize multiple NRF52 them?
Should I use a router? What route do you recommend for development?
Otherwise many people tell me that the Bluetooth has a very...
Hi all,
I create 4 timer in APP, and there seem only one timer (work in single shot mode) can not trigger by right ticks.
I add some log and find that:
First I...
Noticed in ant_parameters.h
#define MAX_ANT_CHANNELS ((uint8_t)15)
First question: is this correct for nRF51?
Second question: is nRF51 going to support 15 channels...
Sorry for the newbie question -- I am new to programming microcontrollers.
I would like to know if it is possible to program the nRF24LU1+ to behave like a USB host? I...
Hi!
Is this correct scenario to minimize battery usage for radio tag transmitting 8 byte packets at 3 Hz?:
setup:
turn LFCLKSRC on with CLOCK_LFCLKSRC_SRC_Xtal...
Hi all, i am trying to start using the smart beacon kit nRF51822, but searching around i am a bit confused on how to flash the most recent softdevice with sdk on it; i followed...
I'd like to do the same thing :
how to use dm_device_delete
nRF51822 S110 v8.0.0
nRF51 SDK v10.0.0
DEVICE_MANAGER_MAX_BONDS=2
I test Nexus5, Nexus7, iPad...
I want to read and write RAM (target=nRF51822) from a custom C application while the CPU is running.
Now, I can do this using the nrfjprog.dll and I get the expected values...
Hey guys,
I'm working with a nordic nrf5182 and s130. What I need is to put the system in sleep mode after a reset. The main problem is with function sd_power_system_off...
