New pages
From Rsewiki
- 14:27, 20 April 2026 Ricbot PTP (hist | edit) [2,943 bytes] Jca (talk | contribs) (Created page with "Back to Ricbot == PTP == Precise Time Protocol (on Raspberry Pi 5) Assuming 2 Raspberry Pis are connected with an Ethernet cable, and both have an IP on eth0. === Install === Install on both master and slave: sudo apt install linuxptp Verify that there is support on 'eth0'. Should have hardware capabilities: $ ethtool -T eth0 Time stamping parameters for eth0: Capabilities: hardware-transmit software-transmit hardware-receive...")
- 14:20, 20 April 2026 Ricbot GNSS (hist | edit) [516 bytes] Jca (talk | contribs) (Created page with "Back to Ricbot == GNSS == Satellite positioning is implemented using a NEO-M9V receiver. The receiver is connected to the navigation Raspberry Pi. === Decode and publish === Using the 'gpsd' publisher. This should be easily interfaced to ROS. (not implemented yet)")
- 14:04, 20 April 2026 RIC data recording (hist | edit) [1,594 bytes] Jca (talk | contribs) (Created page with "Back to Ricbot == Data recording == By default, the Teensy interface (teensy_interface) runs on the Raspberry Pi. This will record most of the available data, like: * Odometry * Gyro and accelerometer data from the on-board IMU. * Motor voltage and velocity of each wheel. * MQTT communication * GNSS data (when operational) This data will be on the Pi in this directory /home/local/svn/robobot/teensy_interface/build/log_yyyymmdd_hhmmss The date and time part will b...")
- 13:58, 20 April 2026 RIC start and stop (hist | edit) [1,131 bytes] Jca (talk | contribs) (Created page with "Back to [RICbot] == Start == Connect the big battery (60Ah 24V) using the read Anderson plug. Turn on the on-off switch on the top of the electronics box. It should now turn on. * The two displays should show battery voltage (between 24.5 and 26.6V). ** The right is the electronics voltage ** The left is the voltage to the motor controllers. This should be off if the emergency switch is pushed. * After a while (approx 90 seconds), the small (blue) display on the Teen...")
- 12:25, 20 April 2026 Ricbot ROS2 (hist | edit) [9,944 bytes] Jca (talk | contribs) (Created page with "Back to Ricbot == ROS2 ==")
- 12:17, 20 April 2026 Ricbot realsense (hist | edit) [2,143 bytes] Jca (talk | contribs) (Created page with "Back to Ricbot == Intel RealSense == Install sudo apt-get install automake libtool libusb-1.0-0-dev libx11-dev xorg-dev libglu1-mesa-dev sudo apt install libssl-dev There is a script to download and compile, e.g. on Raspberry Pi here: https://github.com/realsenseai/librealsense/blob/master/doc/libuvc_installation.md To install pyrealsense2 at the same time as librealsense, line 46 of the 'libuvc_installation.sh' build script should be changed from this: cmake...")
- 09:31, 20 April 2026 Ricbot hardware (hist | edit) [2,235 bytes] Jca (talk | contribs) (Created page with " == Ricbot hardware == Tentative layout: 500px Length is 1m, free height 25cm, width 65cm. == Installation notes == === Camera position === 500px Forward-looking camera: Intel RealSense D455, FOV 87 x 58 deg, range 0.6 to 6m. Down-looking camera: Intel RealSense D435, FOV: 87 x 58 deg, range 0.3 to 3m. === Cabling === 500px DRI0042: https://wiki.dfrobot.com/15A_Sin...")
- 20:41, 1 March 2026 RICBOT Power on-off board (hist | edit) [139 bytes] Jca (talk | contribs) (Created page with "Back to RICBOT == Power distribution ==")
- 11:37, 25 February 2026 Robot dashboard (hist | edit) [110 bytes] Jca (talk | contribs) (Created page with " == Introduction == This is intro. * bullit list then it is code 500px Figur 1")
- 17:03, 1 February 2026 Robobot logfile cleanup (hist | edit) [1,467 bytes] Jca (talk | contribs) (Created page with "Back to Robobot == Logfiles == Many logfiles will accumulate over time. To clean up these files, there are two scripts in the setup directory. A total cleanup could be: cd ~/svn/robobot/setup ./clean_ === Files owned by ''local'' === This script removes all images from the mqtt_python directory and automatically generated log files. clean_logfiles.bash: #!/bin/bash # clean logfiles before flash image # teensy_interface rm -r /home/local/svn/r...")
- 15:39, 29 January 2026 Robobot packing list (hist | edit) [878 bytes] Jca (talk | contribs) (Created page with "Back to Robobot == 2026 packing list == * Robot with ** Base PCB version 8.5 ** Raspberry Pi version 4 or 5 ** SD-card with base image (updated per 29 jan 2026) ** Raspberry Pi camera version 2.1 ** Servo Savox - version SA-1230SG - with horn for high torque * Battery 2.2Ah Lipo 3 cells - XT60 plug. * Charger (new 1.5A) ** 230V cable for charger * Japcell power supply 15V 6A with XT60 plug ** 230V cable for power supply * Small servo XWAVE X9MG * Extend...")
- 13:10, 29 January 2026 Robobot Raspberry strange error (hist | edit) [5,559 bytes] Jca (talk | contribs) (Created page with "Back to Robobot == Error== The demo behaviour (pressing the green button) fails, typically after a few (< 10) successful runs. It could be that some commands (e.g., servo or drive commands) do not run. After some time, nothing runs, and the Python script complains that there is no 'HBT data after 31 runs'. like: % BCM GPIO found OK % Starting % Connected to MQTT Broker localhost on 1883 % ConnectedOut to MQTT Broker localhost on 1883 % GPIO setup...")
- 15:01, 24 January 2026 Servo supply issue (hist | edit) [1,218 bytes] Jca (talk | contribs) (Created page with "Back to Robobot_B == The 5V supply is OFF == The 5V servo supply may suddenly turn off. The issue is that when the servo stops, the extra energy is returned to the supply. The power supply enters shutdown mode when current flows in the reverse direction and can only be reset by a power cycle. It looks like this: 500px The Orange and blue are the servo power (5V), and the green is the control pulse to the servo. * The servo r...")
