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...
I would like to create a unit which is intermitting in the master and in the slave role.It should be most of the time "advertising" and waiting for some master to connect...
When using nrf51-ble-driver_win_0.3.0 with Visual Studio 2010, after I put a breakpoint in my code, when I try to have the process "continue", I always get unandles exception...
Hi all, please I have some questions.
1- When adding a service then a characteristic, this enables the SoftDevice to send BLE events to the application whenever a client...
I have a have a problem which i cant fix. I'm trying to run the Heart Rate project, but the soft device hangs up (at this line: sd_app_evt_wait(); ) The software jumps not...
I'm trying to figure out if there is a way to receive data from multiple channels with NRF_RADIO?
I'm using timeslot API to get access to the radio. The documentation talks...
Hello,
I am developing a USB Composite Device (= 2 HID devices in one) and I want to add Bluetooth LE functionality.
I am not sure where to start from :) - I am new to...
Hello.
I have adquired PCA10028. I use IAR IDE. I have downloaded an application example for the nrf51422 using the JLINK hardware of the PCA10028 board. I can download...
Dear All,
any opinion on attached antenna design (blue) to the outside of a metal housing?
PCB that flows around an aluminium die cast housing
External to aluminium...
Dear sirs,
Many thanks for the IoT SDK.
Just setting up the Raspberry I can't start the Phyton CoAP example as defined in documentation.
The envirinment is:
R...
Hi all,
I cannot find the exact connector to use for the P19 Debug out header on the pca10028 board.
The one I have has the plastic around too big so it doesn't fit.
...
Hi,
I'm working on a simple ADC application where I sample using analog channel 1 and then read the value through the debugger. However my results are nonsense. I have...
I'm using s120_nrf51_ble_driver on PC.
To connect the BLE dongle, we need to COM port number to be known (parameter of sd_rpc_serial_port_name_set). Is there really no...
I am working on a project on wireless interface between phone and SIM card. I want to use chip nRF51822-CEAA to run SIM card simulation at phone side (include wireless communication...
in nRF51822 product specification a maximum absolute rating of 3.9 Volt is reported, while in electrical specification the maximum voltage is 3.6 Volt.
The question is :...
