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...
We are hearing solder bridge issues on the NRF52832-QFAA:
"Due to the high thickness of the copper layer and small lead spacing on the component, the boardshops are not...
I am working on customizing the DFU bootloader (to add encryption). When attempting to use the instruction trace in Ozone to debug, I see a lot of nonsense. One example is...
I've been analyzing various nRF52 devices and noticed that there is an inconsistency with vendors using Legacy DFU and Secure DFU. Or in other words, there doesn't seem to...
Hi everyone,
I am experimenting with the QSPI example provided with SDK 16. I am facing issues when I try to erase memory blocks or the entire chip.
1. First of all I...
Hi, what I want to achieve is to do a list of devices that I may want to connect to, choose one and pair/bond it (at this point, the central is paired with only one peripheral...
Hello DevZone,
I have recently received the nRF52840 Dongle and I'm able to program it properly with the nRFConnect App. However, when I try to program it with the nRF52832...
Hello
I am using SDK v17.0.2 and nrf52DK. I am trying to encrypt and output the saadc value of the sensor.
I used the AES CTR example almost exactly the same.
And I...
Hello
I'm going to use encryption to send data via Bluetooth. I am using the crypto AES example using nrf52DK and I found out that nrf52840 supports H/W encryption called...
NCS 1.4.2
modem fw 1.2.3
We have a custom board with 3 uarts:
Uart 0 -> debug output (testing only)
Uart 1 -> BLE
Uart 2 -> External GPS
I have been trying...
Hi everyone,
I am currently working on a project where I need to sample the SAADC continuously on 5 channels: channels 4,5,6,7 and VDD, which on my board is channel 9...
Hello,
i have created custom BLE service/characteristic using this ling https://github.com/NordicPlayground/nRF5x-custom-ble-service-tutorial
So, here i am able to transmitting...
Hi,
In working with nRF24L01, I am facing a problem with nRF24L01 CRC calculation. In the spec, it is stated that CRC calculation includes address, control field and data...
Hi,
I'm using nRF52810 and I'm trying to achieve a power consumption. I don't use any softdevice or nRFSDK at the moment. I wrote my own drivers with direct access to the...
Hello,
In my project I need to store variable data to persistent memory area of flash memory to retrieve data after power failure. I want to know is there any limit to use...
