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← All 30 models

› #30 of 30 · AI

Robot arm

AI acting in the physical world

Comes after #29 Neural network

Build the real thing

Buy

Servo robot-arm kit

Build a servo robot-arm kit and program it to pick things up. Add a camera board such as the Seeed Studio XIAO ESP32-S3 Sense and it can start to see what it's reaching for.

Cost
$$ · $25–$100
Time
A few sessions
Screens
Needs a computer

For the grown-up

Servos pinch: keep fingers clear of the joints and gripper while it moves. If the kit runs on lithium cells, a grown-up charges them with the charger made for them.

Build it in bricks

Brick build comingTabletop

Step-by-step brick booklets land one model at a time, starting with the Starter Five.

The AI ideas it connects to

Keep going: make it move

12 ESP32 Super Starter builds that live the Sense→Think→Act→Power loop from the cards — adaptations called out, same print format as the ESP32 Project Book.

Card → Bot Build Book (PDF) →

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