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'm using s130_nrf51_2.0.0-4.alpha as central and do some testing with channel map.
I set the channel map before I'm trying to connect to a peripheral with:
ble_opt_t...
Hi experts,
I want to send 20 packages from nrf51822 to phone, so I tried to call sd_ble_gatts_hvx() repeatedly until BLE_ERROR_NO_TX_BUFFERS returns, then sent left packages...
I have a question about the NRF518222, we using 3v coin cell battery as power for Ldo working mode.
The connection between the devices and mobile phones, regular, disconnection...
nrfjprog is reporting known errors while I'm trying to burn the pca10028 dual_bank_ble_s110 bootloader to the nRF51-DK.
".\_build\nrf51422_xxac.axf" - 0 Error(s), 0 Warning...
Hello there,
First of all, thank you Nordic for such a great platform to develop on and all the great example code to get a BLE newbie up and running. Also, a deep thanks...
I am trying to control a servo motor from nRF51822 when BLE is activated. I am using mbed development framework and libraries.
My servo example works flowlessly if BLE/SoftDevice...
Hello,
Recently, I used the LedButtonDemo to create a program which make one rotation on a step-by-step motor.
The program is very simple : in place of toggling the led...
I am using the nRF51422 for sensor. This sensor is paired to a slave in the most simple way: the slave searches with a wildcard for a sensor and the stores the devicenumber...
Looking for a 3rd party supplier with a certified module.
Module pinning makes it possible to program new software into the module.
The question is: If I change the software...
Hello,
I am using nrf51822 with softdevice 110.
I have noticed that there is some power usage between advertisements, that is more than what is being used when no advertising...
We're having difficulty preventing our nRF51822 from resetting when ESD events occur. These events are not directly on the nRF51's I/O pins, and we've tried things like grounding...
Hi,
I am having a BLE peripheral on NRF51822 chip.
I have set to MITM to 0.
I want to communicate with an iOS app which will act as central device.
When i first connect...
Hi,
I'm planning to use the nrF51822 in the end product and the nRF51DK kit has nRF51422 and not the nRF51822. the user guide for the kit says that 51422 supports ANT protocol...
I am doing a bootloader to support updates via ESB. I am using MicroLib. I am not using SoftDevice.
My project mapping:
Bootloader 0x0000-0xBFF
Application Vector Table...