![]() ![]() ![]() You can change the robots friendly Bluetooth name in the EV3 menu under System - Change name. This is the recommended connection method because you don't need a cable nor a WLAN adapter. The EV3 acts as IP access point like a smartphone or PC based access point (Bluetooth tethering). The Bluetooth Personal Area Network (PAN) protocol is used to establish an IP connection via Bluetooth. Just connect the EV3 via USB and open a command shell. Under MacOS and Linux, no driver installation for RNDIS is needed. If you get a reply from the EV3, your IP link to the EV3 is working To check if the connection is established, open a console window (command prompt) and type ping 10.0.1.1. Open the tag Advanced and enter for Network Address the Value 10.0.1.1.Under Network adapters, a new device USB Ethernet/RNDIS Gadget appears. ![]() Right click on rndis.inf and select Install.In a file explorer you see the two files RNDIS.cat and rndis.inf Download rndis.zip (7 kB) and unpack it in any folder, e.g.Under Windows the driver has to be installed manually. Under MacOS the driver is part of the latest version of the operating system. To use this protocol, a RNDIS driver must be present. The EV3 does not act as an ordinary USB device, but like a IP access point using the Remote Network Interface Specification (RNDIS) that provides IP connectivity over USB. One practice to communicate with the EV3 is to connect a USB cable between its micro USB port and your PC. Next you learn how to connect your PC to the EV3 via USB, Bluetooth or WLAN. As file explorer the GUI-based WinSCP is recommended. Under Linux and MacOS a SSH console is integrated in the OS, under Windows you may use PuTTY, a free SSH and telnet client. The default IP address is 10.0.1.1 as seen on the leJOS start screen.įor further investigations you should use a SSH console program. Ping is the easiest way to check if the IP link to the EV3 is working. When booted with leJOS, a Linux Secure Shell (SSH) server with Secure Copy (SCP) is started (but no SFTP server). Insert the SD card into the EV3 card slot and press the turn-on buttonĪll connections to the EV3 use the TCP/IP protocol, but the physical transport channel may be USB, Bluetooth or WLAN. Be very careful to select the SD card drive and not something else, otherwise you destroy your data. Recommandationunder Windows: USB Image Tool, under Mac/Linux: ddutility. Start an USB Image Utility to burn the image to the SD card. Download the card image from here (ev3sdcard.zip, approx 400 MB) and unpack it in any directory using an unzipper that supports large zip archive (e.g.It is highly recommended to use the fast class 10 type. Provide an empty Micro SD card with minimum 4 GB and maximum 32 GB.Proceed as follows to create the leJOS SD card: If you remove the card, the brick starts again with the Lego menu. If the card present, the EV3 boots the leJOS menu application instead of the Lego menu. To get access to the Linux file system and execute Java byte code it is necessary to configure a special SD card and insert it into the SD card slot. By default the EV3 bricks starts the Lego menu application. ![]()
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