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, I've just purchased an nRF51 DK and installed the SDK. I have Keil uVision 5 installed from a previous project, with a "Freescale Only" license key. This seems to be...
When i google for power consumption 433mhz 2,4ghz and similar most results tell me that 433MHz consumes less power... but when I look at specifications of explicit chips/modules...
I am trying to do a simple UART test with nRF51822 without BLE functionality. The code is a simplified version of the UART example in nRF51 SDK, and can be found here . It...
Hi,
I just wanted to try out the DFU on the Android app to see if I can successfully update the application on the beacon. For that, I only uploaded the precompiled nrf51822_beacon_app...
Using Blend Micro (Arduino Uno + nRF8001) to gather environmental sensor data and send to mobile via notifications. Here's my main loop:
void loop()
{
aci_loop();
...
Hello,
I know I have seen the topic on the forum, but can not find it. What changes need to be done to a example project designed for a softdevice 110 to convert it to...
The s310_nrf51422 migration document states:
Due to an issue present in this release, the application is required to set the device address to the factory default right...
Hi,
I was just wondering what the sequence of events would be in the following scenario:
A S110 peripheral device (GATT server) has a characteristic with write access...
Hi all,
I've spent 4 days now (!!) on getting a "Hello World" project to work in eclipse with GCC. I guess something around the startup-code is setup wrong in my very simple...
Hello, I'm using nRF51822-mKIT for a research.
To verify ADC readings from analog input, I've connected P0_5 to GND and ran the following code:
uint16_t adc_result;...
For my project I would like to use this bluetooth module: freqchina.en.alibaba.com/.../Fingertip_size_nRF51822_Module_Ultra_Low_Power_Bluetooth_4_0_Low_Energy_RF_Module.html...
I am trying to connect to a peripheral through s120 central and vendor has a 128 bit fixed UUID
I am trying to add it on central using sd_ble_uuid_vs_add(...,...) but it...
I am trying to develop an application for the Android that will communicate via BLE to a Nordic device. I'm able to read the characteristic's value by
BluetoothGattCharacteristic...
I'm using nRF51822 SoC and I have a LIS3DSH accelerometer connected to the ship via SPI bus . I used the SPI master example . So i used the switch_state() function then took...
