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Components

91 GUIDES | 574 PAGES | 1 FEATURED | 13 POPULAR
Our review of the Essential Analog Mobile App
By Dylan Herrada

Analog IC Insights On-the-Go by Maxim Integrated

1
Beginner
Electronic eyes, similar to those in Adafruit projects, make their big-box-store Halloween debut
By Phillip Burgess

EYE SHOOTOUT: Contrasting Open Source and Big Retail...

2
Beginner
Learn all about different lenses you can use on the Raspberry Pi HQ Camera
By Dylan Herrada

All About Raspberry Pi HQ Camera Lenses

1
Beginner
Get in the weeds with USB C, let's untangle!
By Isaac Wellish

Understanding USB Type C: Cable Types, Pitfalls and...

8
Beginner
Plug & play connectivity
By lady ada

Adafruit STEMMA & STEMMA QT

15
Beginner
How to make your LiPo batteries last long enough
By mike stone

Energy Budgets

8
Intermediate
More bits aren't necessarily better
By mike stone

Choosing an ADC

5
Intermediate
Automate liquid reagent dosing using reef-pi
By Ranjib Dey

reef-pi Guide 7: Dosing Controller

9
Beginner
Learn to use potentiometers (variable resistors) in your projects.
By Anne Barela

Make It Change: Potentiometers

10
Beginner
A practical guide to transistors and their use
By Dave Astels

Transistors 101

19
Beginner
When your microcontroller needs to accurately read if a switch is flipped
By Anne Barela

Make It Switch

21
Beginner
How to use a rotary encoder in your CircuitPython projects!
By Kattni Rembor

Rotary Encoder in CircuitPython

10
Beginner
Inside the ATMega328: a guided tour of a classic Microcontroller
By Dave Astels

Digital Circuits 7: MCUs... how do they work?

7
Intermediate
In this guide, we design and build a ROM emulator
By Dave Astels

Digital Circuits 6: An EPROM Emulator

6
Intermediate
There are 2 types of memories: those you remember and those you don't.
By Dave Astels

Digital Circuits 5: Memories

10
Intermediate
Circuits that operate over time.
By Dave Astels

Digital Circuits 4: Sequential Circuits

9
Intermediate
Putting logic gates together
By Dave Astels

Digital Circuits 3: Combinational Circuits

13
Beginner
Tools for working with digital circuits.
By Dave Astels

Digital Circuits 2: Some Tools

19
Intermediate
Binary numbers, Boolean logic, and logic gates.
By Dave Astels

Digital Circuits 1: Binary, Boolean, and Logic

25
Beginner
Everything you need to know to use 555 timer chip.
By Dave Astels

Getting to know the 555

20
Intermediate
Build a full-scale arcade controller for your pocket-scale Arduboy!
By John Park

Arduboy Game Controller Hack

4
Intermediate
Stream Airtunes to Boomy!
By Ruiz Brothers

Boomy Pi Airplay Boombox

61
Intermediate
Removes those pesky fumes whenever you reach for the iron
By Jan Goolsbey

Motion-Activated Solder Fume Extractor With Lamp

24
Intermediate
I2C addresses from 0x00 to 0x7F (inclusive)
By lady ada

I2C addresses!

66
Beginner
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