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,
I'm using SDK 15.0.0; nrf52840 DK; IAR(EWARM).
I want to add TWI(i2c) from example in SDK to my project.
But I facing with next errors:
Error[Li005]: no definition...
Hi dear engineers,
I have a strange TWI problem on my production protype which programmed based on the official twi example with softdevice s130_nrf51_2.0.1 and SDK 12.3...
Hi,
I'm trying to schedule few events within the shortest connection interval . Is it possible to shcedule 3 events, 2.5 ms long within 7.5 ms connection interval? Could...
Dear all,
I am using the nRF51822 custom developed board. Earlier it was working fine, but now when I try to connect the BLE with nRF ToolBox APP UART service, the APP...
Hi,
Have flashed an early sd_power_system_off first line in main() when measuring power-consumption...
Now the SWD access seems gone. Is there a trick to get it back in...
Hi, I'm working on a custom board with a nRF52840.
I want to use REG0 and REG1 as mentionned in Figure 13 of the datasheet : with VDDH, and both DCDC. My PCB is powered...
Hi there
I have a NRF52 Dk already and it had been setted as master.
The log might contain the specific advertisement channel power or how much packets has been sent...
Hello,
I want to send 6 bytes of data over BLE. I will set a timer for this purpose. When there is timer interrupt, the data will be send.
What I wanted to ask is that...
Greetings,
Trying to fast-track my set-up and use of the Nordic Semi devices and toolchain. My questions/comments are as follows:
1 - What is the best *free* option for...
Hi,
I am using ble_app_uart service in my application. I am trying to send files using teraterm tool. If I am sending .txt or .doc files there is no disconnection in the...
Hi,
I am using nrf52832, and measure the power consumption , I found that when I use application timer "after" nrf_sdh_disable_request(), the power consumption of system...
Hello,
i am working on a nRF52840-Preview-DK with SDK 15.
When sending data out on UARTE1 with function nrfx_uarte_tx(..) everything works as expected but only with data...