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Oct 25Sun
  1. Reddit r/robotics22

    Cubic Doggo Update: Wouf Takes Its First Steps

    Wouf, the quadruped robot in the open-source Cubic Doggo project, has completed its first walk. The author traced the earlier low-speed problem to latency in reading position, speed, and torque from the ST3215 servos (about 3–5 ms per read across three servos) and has now disabled feedback reading on Wouf. After switching to the ST3215, Wouf's walking speed exceeded expectations, but the turning algorithm still has issues. The author believes the approach can be used for walking robots, and whether feedback reading (an input required for reinforcement learning) can be restored depends on how difficult it is to develop synchronized-read firmware.

  2. Reddit r/robotics18

    Has anyone played with an Awabot/Suitable Tech Beam+ telepresence robot?

    A user bought an old Beam+ telepresence robot from FB Marketplace; its battery was dead, and after powering it with a desktop power supply it booted successfully, but authentication could not be completed because the software points to a server that has been taken offline. They asked Awabot about a software update or system image, and also found papers and GitHub repositories referencing the old ROS project and added sensors, as well as a video showing commands sent manually to drive the robot and capture its video stream.

  3. Reddit r/robotics18

    How can a 3S4P battery reliably power a Raspberry Pi 5?

    A developer is building a robot consisting of a Raspberry Pi 5, an ESP32, and 2 RS390 6V motors, powered by a 3S4P pack of 12 18650 cells (2,200mAh each), a 40A BMS, nominal 11.1V (12.6V fully charged). The core question is how to provide the Pi 5 with a 5.1V supply that has sufficient current under load: whether to choose a high-current step-down converter or whether there is a better solution, and the developer hopes for specific module recommendations.

  4. Reddit r/robotics12

    How to design a compact, low-center-of-gravity body for a 3–5 kg metal robot soccer chassis? Seeking advice

    A developer is converting a cardboard/wood prototype into a metal chassis for a 3 kg–5 kg class competitive mobile robot, planning to first use a single base plate to mount 300 RPM Johnson motors and BTS7960 drivers. Their core questions are: how a small 300 mm×300 mm-class metal robot can achieve a compact body and low center of gravity to hold off heavier opponents, and whether a 100% invertible robot should use a base plate + standoffs + top plate sandwich structure or a bent sheet-metal shell. They also want prototyping methods for converting the cardboard model into aluminum plate cutting and drilling dimensions to avoid mistakes on the first machining attempt.

  5. Xbotics具身智能实验室 · 微信公众号20

    Lingxin Qiaoshou × Xbotics Third Dexterous Hand Online Training Camp Opens Registration: Recreate Continuous In-Hand Ball Rotation with the O20 in 8 Weeks

    Lingxin Qiaoshou and Xbotics have opened registration for the third dexterous hand online training camp, which starts on November 1 and runs for 8 weeks with 6–8 hours of commitment per week. The hands-on project is to recreate continuous in-hand ball rotation with the O20 in MuJoCo simulation, with O30 ball rotation as an extended example.

Oct 24Sat
  1. Reddit r/robotics50

    How to Build a Robot with the NVIDIA Toolchain: An Illustrated Workflow from Isaac Sim to Real-Machine Deployment

    NVIDIA released an illustrated tutorial that uses a fictional startup building a warehouse humanoid robot as an example, connecting tools including Isaac Sim, Isaac Lab, GR00T, Cosmos, and Omniverse, and covering virtual environment setup, demonstration teaching, policy training and testing, handling the Sim2Real gap, and deploying AI to real hardware. The tutorial also explains the steps between an AI model deciding to move an arm and the motor actually executing it, and the author hopes to exchange with developers who have actually used these tools about how real workflows differ from the examples.

  2. Reddit r/robotics12

    How to Calculate Torque (kg.cm) for Each Joint of a Robotic Arm to Select Servos

    A poster asks how to calculate the torque (in kg.cm) for each joint of a robotic arm using J=mgr in order to choose the most suitable servos, and gives the conversion 1 N·m ≈ 10.1 kg·cm. The post only lists the theoretical formula, without giving a specific robotic arm model, number of joints, or measured data, and hopes someone can guide how to apply the formula to a project or recommend a YouTube video explaining the basic concepts.

Oct 23Fri
  1. Guyuehome42

    ROS2 Diagnostics and Health Management in Practice: Linking diagnostics with Lifecycle

    This practical guide to ROS2 diagnostics and health management focuses on linking diagnostics with lifecycle management, explaining how to combine diagnostic status with node lifecycle management. Aimed at robotics developers, it is a hands-on technical tutorial; the original text does not provide a specific robot model, version number, or experimental metrics.

  3. 古月居 · 微信公众号60

    ROS2 Communication Programming in Practice: Topics, Services, Actions, and QoS Usage

    The article systematically explains how to write and choose between the three ROS2 inter-node communication methods—topics, services, and actions—and provides example code in C++ and Python for publishers, subscribers, service servers, and action servers. It focuses on three QoS parameters: depth, reliability, and history policy, and points out that when publisher and subscriber reliability settings are incompatible, QoS silently degrades, dropping data without reporting an error. Finally, it lists common problems such as topic type mismatches, request queuing caused by time-consuming service callbacks, and unfilled message timestamps, along with troubleshooting commands.

  4. Robotics & Automation News15

    Guide to PPE and High-Visibility Workwear in Automated Warehouses

    The article notes that automation has not reduced warehouse risks; AGVs, AMRs, and forklifts sharing the same aisles have instead raised the requirements for high-visibility workwear. Provisional HSE data for 2025/26 show that 24 workers were killed after being struck by moving vehicles. UK high-visibility clothing is governed by EN ISO 20471, which has three performance classes; it should be matched to role and zone rather than habit, and the reflective layer must be worn as the outermost layer. Beyond high-visibility clothing, safety footwear, gloves, and head and hearing protection must be configured by task, and branded and color-coded workwear helps distinguish personnel roles quickly.

Oct 22Thu
  1. Xbotics具身智能实验室 · 微信公众号77

    How to Choose a Robot Simulator: Same Success, Tenfold Contact Force Gap

    The article interprets a simulator comparison report released by Manda Robotics in early October, running about ten sets of experiments with the same Franka 7-axis robotic arm and the same control program on four physics engines: PhysX, MuJoCo, MuJoCo Warp, and Genesis.

    Why it matters: The article uses controlled comparison experiments under uniform conditions to show that simulator divergence is concentrated in contact forces rather than success or failure, and provides transferable troubleshooting and verification methods.

  2. Reddit r/robotics20

    Help sought with actuator jitter on 6-DOF motion-control camera

    A freelance filmmaker's DIY 6-DOF motion-control camera uses Robstride actuators running in MIT mode on an STM32, and now shows noticeable vibration and jitter when the J2/J3 joints move together under load. The author has tried implementing a cogging-torque compensation table and a gravity model but has not resolved the jitter; the arm is usable for stop-motion scenarios, but motion smoothness still falls short of requirements, and the author is asking the community for suggestions.

  3. 古月居 · 微信公众号49

    CAN Bus and CANopen Protocol in Practice

    The article explains the CAN bus and CANopen protocol commonly used in industrial settings, covering frame formats, arbitration mechanisms, the object dictionary, SDO/PDO transmission, and heartbeat network management. It includes transmit and receive code for STM32F407 with a TJA1050 transceiver, a Linux SocketCAN integration example, and engineering experience and troubleshooting methods such as 500 kbps baud rate configuration, 120-ohm termination resistors, and CAN FD at up to 8 Mbps.

  7. Reddit r/robotics49

    Home RGB + iToF depth build: noise reduced but straight walls still bow 12–14 cm

    A Reddit user built a home RGB + iToF depth setup using a 320×240 epc660-class iToF engineering sample, a fixed Pi camera, and Ouster reference scans. After raising exposure from 500 to 2,000 µs, filtered jitter dropped from 65 to 6 mm and raw jitter from 85 to 28 mm, but straight walls still bow 12–14 cm, and three modulation frequencies report 4.14, 3.92, and 3.97 m for the same wall.

  8. Robotics & Automation News18

    Automated Warehouse Racking Inspection: How Inspection Changes When Machines Take Over the Aisles

    Inspection of automated storage and retrieval systems (ASRS), high-bay racking, shuttle and mobile racking has become more difficult. Failure modes have shifted from forklift impacts to rail misalignment, wear on shuttle and stacker crane rails, and fatigue at points of repeated loading. Continuous monitoring, machine vision and drone imagery can provide early warning, but they cannot replace a SEMA-approved qualified inspector (SARI) making structural safety judgments under the green/amber/red three-level risk system.

Oct 21Wed
  1. Reddit r/robotics20

    Gripping and cycle-time issues on a 12-robot KUKA delta cookie pick-and-place line

    A Reddit user designed a cookie pick-and-place line made up of 12 KUKA delta robots that place cookies into trays, and is currently running into problems with failed picks, crumbs and grease, and cycle times that are too slow. Some cookies cannot be picked up because of insufficient airflow, and the user is considering increasing the cylinder diameter of the gripping system; when the suction cups pick up cookies, they bring up crumbs and grease, but switching to a hand-like gripper would crush adjacent cookies on the conveyor. The line's programmer says the tray conveyor and robot speeds need to be increased in sync to shorten the waiting time for placing, but the user believes this approach cannot solve the existing problems.

  2. 古月居 · 微信公众号50

    ROS2 and Gazebo Simulation: From URDF Modeling to Differential Control and Noise Injection

    This tutorial explains how to build a robot simulation environment with ROS2 and Gazebo, covering URDF modeling, lidar and differential drive plugin configuration, SDF world editing, and sensor noise injection. It highlights common pitfalls such as use_sim_time, the TF tree, and physical parameter calibration, and presents advanced directions including multi-robot simulation, hardware-in-the-loop, and CI automated testing, helping developers validate algorithms such as Nav2 and SLAM in simulation before migrating to real hardware.

  3. Robotics & Automation News45

    Why your robot's power supply is the real bottleneck

    A robot's power architecture determines the reliability of sensors, compute modules, and the whole machine under real operating conditions, yet most teams treat the power supply as a solved standard part and overlook it. The article gives four key metrics for reading a regulator datasheet (load transient response, dropout voltage, thermal derating curve, and switching-frequency ripple), plus an engineering order for part selection and troubleshooting. The author recommends first plotting the current curve over a complete duty cycle, separating noisy from sensitive loads and running limit-condition tests, and prioritizing investigation of two fault classes: shared rails and thermal derating.

  4. Reddit r/robotics35

    How to define a "usable" human demonstration clip before collection

    Someone on Reddit r/robotics asked how to define a "usable" human demonstration clip before collecting data. The author's initial checklist includes: whether the target object is visible at grasp onset, contact, and release; how to define task start and end points; whether the hand stays in frame throughout; and whether to split holdout sets by person or by site rather than by clip. The author also asks people with experience training on demonstration data which item most often causes rework and what they themselves missed.

  5. Reddit r/robotics8

    Making a 9-bit absolute encoder Gray code wheel with Arduino Uno

    A mechatronics engineering student plans to build a 9-bit absolute encoder with an Arduino Uno, aiming to cover 360 degrees with one position per degree using Gray code. A 9-bit Gray code yields 512 states; he is unsure how to map these to 360 degrees and is also struggling to find a 3D model of a 9-bit Gray code wheel, so he is asking for help on Reddit r/robotics.

Oct 20Tue
  3. 电子工程专辑 · 微信公众号42

    The underlying logic behind the humanoid robot boom: Analog Devices' 36-page special report explains perception, control, and safety in depth

    Analog Devices, together with EE Times China, has released an October special report, "[Engineer Must-Read] A Guide to Breaking Through the Full-Stack Robotics Technology Barrier," totaling 36 pages. Aimed at developers of AMRs, robotic arms, and humanoid robots, it is available for free download with no registration required.

  5. Westwood Robotics · YouTube38

    BEAR Actuator Firmware Flashing and Calibration Tutorial (Episode 06)

    Westwood Robotics has released Episode 06 of its BEAR series actuator firmware flashing and calibration tutorial, demonstrating step by step the entire process from connecting the actuator to completing the full calibration procedure. BEAR actuators ship with firmware pre-installed and calibrated, ready to use out of the box; this tutorial is only needed when updating firmware or when recalibration is required. The tutorial includes links to documentation, the STM32 download, the BEAR Calibration Tool, and the online store.

  6. Reddit r/robotics56

    Open-source tool roboreview cuts factory video annotation from 40-50 minutes to 5 minutes

    An AI engineer has open-sourced roboreview, a tool for annotating factory videos captured by head-mounted cameras for robot imitation learning, cutting the annotation time for a 5-minute clip from 40-50 minutes to 5 minutes. The workflow first uses a small model to predict each step, then confirms or fine-tunes the start and end points one by one in a review app; the review results are exported as training data and used to retrain the model.

  7. CVer · 微信公众号20

    World Models: From Beginner to Publishing at CCF-A

    A world-model resource repository lays out an advancement path from conceptual introduction and theoretical foundations to hands-on coding, must-read papers, and open-source projects. It covers introductory tutorials, 14 must-read beginner papers with source code, 101 papers from top conferences in 2026, and 20 papers with source code for each of 5 trending directions: world models + VLA, reinforcement learning, agents, world action models, and video world models.

  8. Robotics & Automation News38

    The compact servo drive and controller cooling issues robot developers easily overlook

    Cooling for compact servo drives and controllers must be evaluated at the system level, not by looking at individual components alone. Thermal design should start with a heat budget: for example, with 45 W of heat dissipation, 35°C air temperature, and a 65°C baseplate limit, the allowable thermal resistance is about 0.67°C/W, and the heatsink should be selected accordingly. Once a fan is installed inside an enclosure, airflow resistance increases, creating a tradeoff between fin density and airflow, while natural convection depends more on fin orientation and spacing.

  9. Robotics & Automation News38

    Why Inconsistent Parts Bring Down Automated Production Lines

    Small differences in part dimensions and shape can cause automated production lines to stop frequently, misjudge good parts, or miss defective ones, because each station sets its path, fixtures, and force limits for a single nominal part. Differences such as stamping burrs, injection-molding flash, and machining dimensional drift accumulate; at Cp 1.00, about 0.27% of parts are out of tolerance, and at Cp 1.33 this falls to about 64 per million.

Oct 19Mon
  2. Reddit r/robotics49

    MuJoCo vision-language navigation simulation demo of LightNav-0 on Jetson AGX Orin

    A MuJoCo digital-twin simulation demo connects the open-source vision-language navigation model LightNav-0 to a DM-H65 two-wheel differential robot, with the goal of "finding the refrigerator in the room and stopping next to it." It runs entirely locally on a Jetson AGX Orin 32GB (Seeed reComputer Robotics J501), and the closed loop includes 17 model predictions, covering replanning and recovery when the path expires.

  4. 深蓝AI · 微信公众号62

    Shenlan College livestream preview: Robot motion control from two-stage to one-stage

    Shenlan College will hold a livestream on October 21 titled "Robot Motion Control from Two-Stage to One-Stage," featuring Ye Lei, a PhD student jointly trained by Harbin Institute of Technology and Shanghai Innovation Institute. Centered on three works—KCFRC, PegasusFlow, and PredActor—the session will explain how robot motion control moves from a two-stage approach of planning first and then tracking to a one-stage approach that jointly generates states and actions.

  5. Reddit r/robotics8

    Help Needed with Mechanical Design of Rover Tracks and Drive Sprockets

    Reddit user /u/D3rlordXOMAHA is asking for help designing a rover with 2 flippers at the front, focusing on the mechanical design of the trackpads for the drive wheels and flippers. The author has previously done only lower-level mechanical design such as electrical boxes, paint cans, and pen holders, and this is their first time working at this level; they are seeking advice on track clearance design and overall drive system design efficiency.

  6. Reddit r/robotics5

    A beginner from Saudi Arabia asks Reddit for help: How to build a flying companion robot

    Reddit user deemco posted asking for help, saying they have no idea how to build a robot from scratch and are currently stuck on hardware connections and system integration, hoping to get all the parts working together. They envision building a flying companion robot and plan to use parts such as motors, a camera, a screen, and a Raspberry Pi, and they hope to get a low-cost parts list.