Tech Explorations
At Tech Explorations, we teach you how to design, build, and understand real technology.
Our courses are comprehensive, practical, and conversational, designed to take you beyond tutorials and into mastery. You’ll learn electronics, programming, IoT, and PCB design the way real engineers do — through hands-on projects and clear explanations.
💡 What you can learn here:
* Arduino, ESP32, and Raspberry Pi projects that make electronics fun and approachable
* KiCad PCB design — from beginner boards to professional high-speed layouts
* IoT and full-stack development using Python, Node-RED, and modern web tools
* Practical engineering principles that help you think and work like a designer
🎓 About the instructor:
I’m Peter Dalmaris, engineer, educator, and founder of Tech Explorations.
After a career in academia, my passion for making was reignited by the Arduino revolution — and I’ve been helping thousands of makers, students, and engineers worldwide learn ever since.
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Raspberry Pi 5 Mini PC Case Review – OLED Display, Triple Fans & M.2 SSD
Introduction to Electronics: Filters - Noise filtering
Introduction to Electronics: Filters - Activity 3 Bode and Phasor Plot from Measurement
Introduction to Electronics: Filters - Phase shift
Introduction to Electronics: Filters - Cutoff frequency
Introduction to Electronics: Filters - Voltage division in AC using reactance
Introduction to Electronics: Filters - RL high pass filter behaviour
Introduction to Electronics: Filters - RL low pass filter behaviour
Introduction to Electronics: Filters - RC high pass filter behaviour
Introduction to Electronics: Filters - RC low pass filter bevaviour
Introduction to Electronics: Filters - What is a first order filter
Introduction to Electronics: Filters - Introduction to First Order RC and RL Filters
Home Bitcoin Mining with Avalon Q: Real Results, Solar Setup & Profitability
Introduction to Electronics: Filters - Compare a filtered and unfiltered signal
Introduction to Electronics: Filters - The Four Filters
Introduction to Electronics: Filters - First-order filters in real life applications
Introduction to Electronics: Filters - Introduction to Filters
Introduction to Electronics: Filters - Software and hardware
Introduction to Electronics: Filters - Course Overview
Introduction to Electronics: Filters - Why Learn Filters? (Course Preview)
CrowPi 3: A hands-on review of a versatile STEM learning platform