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10 Smart 3D Printing Tips: Tolerances, Holes, and Slicer Tricks

Level up your 3D prints with practical tips on tolerances, press fits, teardrop holes, support-free counterbores, slicer split tools, modifiers, calibration, infill choices, and avoiding common failures like warping and stringing.

BLOG

Star Wars Pomodoro Timer

By Zach Hipps

Turn an ESP32 M5 Core2 into a Star Wars themed Pomodoro timer with dynamic graphics, countdown timer, and focus session control.

PROJECT

DIY Shortwave Propagation Monitor - Measure Ionosphere Conditions

By Mirko Pavleski

Learn how to make a simple device for monitoring the state of the ionosphere and the quality of shortwave signals using the CA3089 chip.

PROJECT

Arduino Display Changing Text on MAX7219 8-digit LED Display Using Seque

By Ron Cutts

Step‑by‑step guide to show changing text on a MAX7219 8‑digit LED display using Visuino and an Arduino UNO. Includes circuit, code generation, and demo video.

TUTORIAL

SparkFun Qwiic RFID-IDXXLA Hookup Guide

By SparkFun Electronics

The Qwiic RFID ID-XXLA is an I2C solution that pairs with the ID-LA modules: ID-3LA, the ID-12LA, or the ID-20LA, and utilizes 125kHz RFID chips. Using the product's interrupt pin, we'll discuss how to get, store, and compare unique RFID IDs.

PROJECT

Arduino Display Temperature & Humidity on MAX7219 8-digit LED Display Us

By Ron Cutts

Learn how to read temperature and humidity from a DHT11 sensor and show it on an 8‑digit MAX7219 LED display with Arduino. Step‑by‑step guide.

VIDEO

Donald Bell Maker Update: All Wound Up

By Maker.io Staff

This week on Maker Update: on a wing and a prayer, making your own RAM in a shed, corrugated starships, and indestructible PLA parts.

KAUSHAL KUMAR

Skills: EDA

Interests: CAD

MAKER

PROJECT

How to make a Dice Tower from Finnboard

By Kitronik Maker

Board game nerds rejoice! This beautifully simple laser cut project uses only one material and is an extremely buildable and customisable project that is easy to add your own style to.