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...
Hello,
In my application, a peripheral will be connected to many central devices, and the application includes buttonless dfu service.
It needs pairing (encrypted connection...
Hi,
I have a device with nRF52832 and firmware is composed of Bootloader (BL), softdevice (SD) S132 v2.0.0, application and I am using SDK 11.0.
I have created different...
Currently, we are trying to have the nRF51 chip working with a type of capacitive pressure sensor. We did quite a lot of work on searching proper circuits of reading the capacitance...
I have 2 board nrf52840 DK, I now I want to send file ( 1~2 Mbyte) from board_1 to board_2 without use UART. where can I get example to do that ?
PS: I also need example...
I've merged the experimental_ble_queued writes sample code into my project and am testing the long write characteristic with nrfConnect from an Android phone. I get no errors...
Hi,
I am trying to figure out the reboot reason on an NRF52 in order to solve it in the best way.
We have a design with a dual supply 3.6V/5V going through a 3V LDO...
Hello,
i have a BLE Peripheral that has a service that we use to simulate UART over BLE. Very similar to the nRF UART. I consider the time to establish a link that allows...
Hi all,
I am trying to save an UART variable I am receiving. My case is very similar to the example Flash Write Example, but I would write few bytes instead of the whole...
Hello!
I have to sample audio signal from a microphone (MAX 9814 adafruit) with the nrf52 board. I use the saadc and then I perform a FFT of the data using the sdk 13 examples...
I implemented my profile based on GLS example. my profile has five services and every services have several characteristics. Pairing with several smartphone work properly...
hi,
I would like to use pwm to output the 1HZ waveform to drive the motor, but when I set the frequency to be 1HZ, I can not find the device and cause 51822 to reset.
This...
Hello, I'm working with the NRF6310 Motherboard and play with it a little with SDK 6.1, but i want to create profiles with the Bluetooth Developer Studio, so I started using...
I download "nRF5_AirFuel_SDK_2.2.0_7b89a57" and use "ptu_app_beacon" development, I am currently using "nrf51822-QFAA" and "nrf51822-QFAC", how do I set up IROM and IRAM?
Hello iam using softdevice 110 and SDK 10.0.0, Iam trying set tx power of nrf51822 using function sd_ble_tx_power_set(), i have tried 0dBm and 4dBm both are giving same RSSI...
