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 pcb designing of the nrf52832 we use two oscillators one is 32 MHz and another one is 32 kHz.
can't we use both 32 kHz instead of one 32 MHz for saving power consumption...
Hi,
I can't seem to find an example for receiving an update about restored value of CCCD when a bonded peer reconnects. I'm using SDK14.
NUS and HRS examples which use...
I am new to Nordic, and Keil, and not especially strong in microprocessors yet. I am trying to get currently developed firmware for a nRF52382 chip to operate on a custom...
hi expert
i use sdk14.1 ,nrf58312, when my phone(andriod 5.2.1)connected to nrf58312 board ,i find the addr type is 2, so i want write the mac to whitelist ,but when i set...
Hi, I wondered if the source code of the SDK 51422 PCA10028's firmware is available ? The one firmware which allows the SDK to flash other nRF51X over the air? If it is, where...
While the default microphone mode on the Thingy52 is ADPCM - which I got working fine in my evaluation environment - the SPL mode defined in https://nordicsemiconductor.github...
Hi,
I am beginner for nRF52840. I use Keil uVision 5.20 to develop firmware. I have a problem with the Nordic packs downloaded from Keil website. The USB driver is not take...
Hello.
Until now, we work with NRF52832 for a new product but we have identified that the memory (64kB of RAM and 512kB of flash) of the chip will not sufficient for our...
Maximum connection node in 6lowpan over BLE
I am testing Pi to Nordic node (NRF52832 IoT Softdevice). When I test connection, maximum connection node is 10. Do you know...
Dear all,
Sorry for asking an old question but I can't find any similar situation in the forum. I now have 3 boards: 1 is 52810 EVB, 1 is 52810 QFAA ( 48 pins) custom made...
I bougth pca10056 and I need use it with Keil, but I do not find the pack installer for this board on "Pack Installer".
Furthermore, keil does not recognize my board.
...
I am using a lithium polymer 4.2V battery to power an nRF51822 (as a side note the power goes through a voltage regulator before going to Vdd). I want to be able to check...
When calling app_sched_event_put() no check is done whether the exact same record (same data, length and function pointer) already exists in the queue. We have setup where...
Hello,
I've tried to implement a custom service with a custom chacteristic, that shows the values per notification in the MCP (Master Control Panel) in percentage.
I played...
Hi,
I am using NRF24L01 module and I would like to transmit I2S signal through this module. I used SGTL 5000 audio shield for converting audio signal from microphone to...