Tutorial: Connect Xiaomi LDS02RR LiDAR to Raspberry Pi (Python)
Read distance data from the ~$15 Xiaomi LDS02RR on a Raspberry Pi in Python — and run the PID + PWM loop that spins its motor at 5 Hz, which the LDS02RR cannot do for itself.
Category Tutorials
Tutorial: Visualize LDROBOT LD14P LiDAR Live Data in a Browser on Raspberry Pi (Python)
Turn the LD14P's raw distance data into a live polar radar you watch in any web browser — served straight from a headless Raspberry Pi with Flask. Part 3 of the LD14P + Raspberry Pi series.
Tutorial: Control the LDROBOT LD14P LiDAR Motor on Raspberry Pi (Python)
Part 2: stop, start and set the scan speed of the LDROBOT LD14P LiDAR from Python on a Raspberry Pi 5, over UART.
Tutorial: Connect LDROBOT LD14P LiDAR to Raspberry Pi (Python)
Stream live distance data from an LDROBOT LD14P 2D LiDAR on a Raspberry Pi 4 or 5 using Python and pyserial. Wiring, UART setup, and full source code.
How to Connect L298N Motor Driver to ESP32
L298N is a popular, low-cost motor driver board. Here is how you can connect L298N to ESP32 and drive a ROS2 (Kaia.ai-compatible) differential robot. Schematic Wiring Refer to these wiring example illustrations. Firmware Use the default firmware with no changes.…
How to View Robot Telemetry Using Foxglove
Let’s view ROS2 robot telemetry, only this time let’s use Foxglove.dev instead of ROS2 RViz. Foxglove runs outside of ROS2. For example, I run Foxglove on my Windows PC in a browser, while my ROS2 runs inside a Docker container…
How to Connect YDLIDAR X3, X3PRO, X2, X2L, X4 and SCL to Maker’s Pet ESP32 Boards
YDLIDAR X3, X3PRO, X2 and X2L are a low-cost 2D LiDAR 360-degree distance sensor used in robotics for navigation. Here are instructions to connect YDLIDAR X3/X3PRO and X2/X2L to the LiDAR port on Maker’s Pet BDC-30P and BDC-38P motor driver…
How to Connect Delta-2A, 2B and 2G LiDAR to Maker’s Pet ESP32 Boards
3irobotix Delta-2A, 2B and 2G are a low-cost 2D LiDAR 360-degree distance sensor used in smart vacuum cleaners for navigation. Here are instructions to connect Delta-2G to the LiDAR port on Maker’s Pet BDC-30P and BDC-38P motor driver and ESP32…
Build an Arduino Self-Driving Robot – Video Instructions Series
Here is my video instructions series with step-by-step explanations “How to Build an Arduino/ROS2 Self-driving Robot”. Here is what the robot can do – once the build is complete: Optionally, you can write your own Python or C++ code to…
How to Connect TB6612FNG Motor Driver to Your ESP32 DIY Robot
TB6612FNG is a low-cost driver IC for brushed DC motors – popular with DIY enthusiasts to build small wheeled robots. One TB6612FNG can drive twomotors with power supply voltage up to 15V, average output current up to 1.2A per motor…