Robotics Assembly Lab Build • Wire • Simulate
📐 Circuit Schematic Click pin → click pin to wire
Right-click to cancel · Drag to rearrange
Add parts from library
to see them here

Parts Library

Arduino Uno
Microcontroller brain
L298N Driver
Dual H-Bridge
LiPo Battery
7.4V 2200mAh
HC-SR04
Ultrasonic sensor
DC Motor (L)
Left drive wheel
DC Motor (R)
Right drive wheel
4-Wheel Chassis
Robot base frame
How to use 1. Add Chassis first
2. Click any card → snaps to chassis
3. Drag chassis → all parts move
4. Click glowing pin → wire mode
5. Click 2nd pin → connect!
Position a part Double-click part → selects it
Right-click selected → position box
ESC (×2) or click empty → deselect

Connections Needed

Wrong Connections

Status

Add parts from the library.
✦ AI Trainer ▾
Hi! I'm your AI Robotics Trainer. I can see your circuit and code. Ask me anything — "why isn't my robot turning?", "what's wrong with my wiring?", or "explain motor drivers".

Arduino Code — Obstacle Avoider  Edit STOP_DIST & turn direction, then Apply

Change STOP_DIST · turnRight() / turnLeft()
0 obstacles

⚠️ Fix These Before Running

⚡ Flash to Real Arduino

Your sim code → compiled → flashed to Arduino Uno via USB browser connection.

1Compile Code on Server

Ready to compile…

2Connect Arduino via USB

Plug Arduino Uno into your computer's USB port, then click Connect.

3Flash Firmware

Waiting…

🛒 Bill of Materials

ComponentQtyPrice (INR)Buy

Prices approximate. Check robu.in / Amazon India for latest.

TOP
ISOMETRIC
FRONT
SIDE
Part
🗺️ Scene Editor
ISO: left-drag orbit · right-drag pan · scroll zoom  |  TOP/FRONT/SIDE: right/middle-drag pan · scroll zoom · R reset view · H reset all · Dbl-click maximize
🔌 Wiring mode — click another pin to connect · ESC to cancel

🤖 Simulation Running

StatusMoving
Distance— cm
Stop at25 cm
TurnRight
Avoided0