Why not put an Arduino nano and an lcd in an altoids tin : r/arduino

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Review] My first PCB with a SAMD21 as an Analyze Unit for a 3D Hall Sensor. The SPI Pins are for a LCD and the Sensor. : r/PrintedCircuitBoard

ARDUINO A000005 DEV BRD, ATMEGA328, ARDUINO NANO 3.0 : Electronics

Arduino UNO Projects List in PDF offline downloadable - Use Arduino for Projects.pdf

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Arduino and Battery Pack in Altoids Tins : 17 Steps - Instructables

Arduino

Optimizing a low-cost camera for machine vision

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Sucrets tin vs Altoids tin for UNO - General Discussion - Arduino Forum