Robotics, software, and electronics — articles and interactive labs by Prajankya Sonar, Staff Robotics Engineer and Engineering Manager.https://prajankya.dev/enhttps://prajankya.dev/labs/pathfinding-viz/https://prajankya.dev/labs/pathfinding-viz/Pick an algorithm — A*, Dijkstra, BFS, or Greedy Best-First — draw walls, and watch it find the path. Built in Rust with egui, compiled to WebAssembly.Thu, 15 Jun 2023 00:00:00 GMTSoftwareWebhttps://prajankya.dev/articles/egui-eframe-wasm-web/https://prajankya.dev/articles/egui-eframe-wasm-web/Shipping a Rust egui app to the browser with eframe and wasm-pack — the pipeline, the canvas DPR trap, and an honest verdict on when to avoid it.Wed, 15 Mar 2023 00:00:00 GMTSoftwareWebhttps://prajankya.dev/articles/adas-in-carla/https://prajankya.dev/articles/adas-in-carla/Learning Driver's preferred speed, way of changing lanes, preferred acceleration/deceleration, and then assisting in Lane Changing, Lane following, etc.Fri, 08 Jan 2021 00:00:00 GMTRoboticshttps://prajankya.dev/articles/ambf-controller/https://prajankya.dev/articles/ambf-controller/A generic forward and inverse kinematics solver for robotic arms with a pluggable architecture, connected to the AMBF simulator via ROS topics.Thu, 12 Dec 2019 00:00:00 GMTRoboticsSoftwarehttps://prajankya.dev/articles/valgrind-on-linux/https://prajankya.dev/articles/valgrind-on-linux/A practical guide to using Valgrind for memory profiling and leak detection in C++ programs on Linux, covering Memcheck, Massif, and Callgrind tools.Thu, 21 Nov 2019 00:00:00 GMTSoftwarehttps://prajankya.dev/labs/dh/https://prajankya.dev/labs/dh/An interactive web tool to calculate transformation matrices from Denavit-Hartenberg parameters, demonstrated with the ABB IRB120 robot arm.Fri, 15 Nov 2019 00:00:00 GMTRoboticsWebhttps://prajankya.dev/articles/infocell/https://prajankya.dev/articles/infocell/A campus web portal for grievance reporting and service requests, with a custom SNMP-based Network Management System and real-time Socket.io updates.Tue, 24 Jul 2018 00:00:00 GMTWebNetworkinghttps://prajankya.dev/articles/humanoid-ajit/https://prajankya.dev/articles/humanoid-ajit/A 4-foot bipedal humanoid platform with walking gaits designed in MATLAB/Simulink, integrated with ROS, Dynamixel motors, and Intel RealSense D435.Thu, 12 Apr 2018 00:00:00 GMTRoboticsElectronicshttps://prajankya.dev/articles/industrial-delta-robot/https://prajankya.dev/articles/industrial-delta-robot/A delta parallel robot for conveyor-belt parts sorting using Beckhoff PLCs and computer vision, CAD-modelled and exhibited in South Korea.Wed, 01 Nov 2017 00:00:00 GMTRoboticsElectronicshttps://prajankya.dev/articles/warehouse-robot/https://prajankya.dev/articles/warehouse-robot/A prototype autonomous towing robot for warehouse logistics, capable of 500 kg towing payload or 200 kg on-body payload for industrial automation.Thu, 27 Apr 2017 00:00:00 GMTRoboticshttps://prajankya.dev/articles/horticulture-mapping-robot/https://prajankya.dev/articles/horticulture-mapping-robot/A handheld 2D-LiDAR robot for measuring foliage density and counting trees in orchards, with a published research paper at IJERT.Sat, 18 Mar 2017 00:00:00 GMTRoboticsResearchhttps://prajankya.dev/articles/lidar-robot/https://prajankya.dev/articles/lidar-robot/An autonomous 4-wheeled holonomic robot with 2D LiDAR for SLAM-based indoor mapping and frontier exploration, built on ROS with Octomap.Sun, 10 Apr 2016 00:00:00 GMTRoboticsElectronicshttps://prajankya.dev/articles/kinetic-rain-dcs/https://prajankya.dev/articles/kinetic-rain-dcs/A kinetic sculpture system inspired by Changi Airport's installation, using Modbus/RS485-controlled microcontrollers and a web-based animation sequencer.Thu, 07 Jan 2016 00:00:00 GMTRoboticsElectronics