SMARTCART V2 · REV 3

The board that
runs the cart.

A custom 2-layer PCB that ties the ESP32, sensors, and power into one solder-friendly board. Download the full Gerber + drill set below and order it from any fab — JLCPCB runs about $2 for five boards.

Don't want to deal with a fab house? Buy an assembled board for $5 in the Shop.

45 × 50 mm 2 copper layers 1.6 mm FR-4 KiCad 10
SmartCart V2 PCB, front
SmartCart V2 PCB, back
LAYER STACKUP

Four layers,
one board.

Rendered straight from the Gerber data: white silkscreen on top, copper traces front and back, and the FR-4 substrate in between. The back copper is one big ground pour for clean sensor readings.

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Schematic

// how everything connects

The full circuit — ESP32, HX711 + load cell, MPU-6050, AS5600 encoder, and battery power.

SmartCart V2 schematic — ESP32, HX711, MPU-6050, AS5600, and power

Fabrication files

// 14 files · Gerber X2 + Excellon + BOM/CPL

Everything a fab house needs. Upload the zip as-is to JLCPCB or PCBWay — and if you want the board assembled for you, the BOM and CPL files let their assembly service place every part.

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Complete Gerber + drill set, ready for any fab house Download all (.zip)