Four Biggest 555 Timer Circuit Mistakes
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Four Biggest 555 Timer Circuit Mistakes

“Why isn’t my 555 timer circuit working?!” Avoid these four common pitfalls!  

555 Timer Book Chpt 8
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My 555 Book, Chpt. 8 recap: Bonus Mode

Companion video for The Ultimate Beginner’s Guide to the 555 Timer, Chapter 8: Bonus Mode

555 Timer Book Chpt 7
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My 555 Book, Chpt. 7 recap: Audible Anarchy with the Atari Punk Console

Companion video for The Ultimate Beginner’s Guide to the 555 Timer, Chapter 7: Audible Anarchy

555 Timer Book Chpt 6
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My 555 Book, Chpt. 6 recap: More Mode Mixing

Companion video for The Ultimate Beginner’s Guide to the 555 Timer, Chapter 6: More Mode Mixing

555 Timer Book Chpt 5
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My 555 Book, Chpt. 5 recap: Mixing Modes

Companion video for The Ultimate Beginner’s Guide to the 555 Timer, Chapter 5: Mixing Modes

555 Timer Book Chpt 4
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My 555 Book, Chpt. 4 recap: Basic Monostable Mode

Companion video for The Ultimate Beginner’s Guide to the 555 Timer, Chapter 4: Basic Monostable Mode

555 Timer Book Chpt 3
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My 555 Book, Chpt. 3 recap: Basic Astable Mode

Companion video for The Ultimate Beginner’s Guide to the 555 Timer, Chapter 3: Basic Astable Mode

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My new book: The Ultimate Beginner’s Guide to the 555 Timer

Build the Atari Punk Console and Other Breadboard Electronics Projects. Plus, a complete parts kit!

Obscura 8-bit Chiptune Synth
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Introducing a new and improved 8bit MIDI NES Chiptune Synth

The 8bit Arcano MIDI NES Chiptune Synth II from Arcano Systems is now on Kickstarter.

Ramsey Electronics shuts down
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Ramsey Electronics shuts down it’s hobby kits division

Another long-time electronics hobby kit manufacturer and retailer has closed down.

A first look at the Soulsby Synthesizers miniAtmegatron.
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Video: I unbox, assemble, and play the new $39 open source, 8bit/chiptune miniAtmegatron synth kit

A first look at the Soulsby Synthesizers miniAtmegatron.

A DIY 8-bit Arduino based mono synth, drum machine and more
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A DIY 8-bit Arduino based mono synth, drum machine and more

Just released, the Atmegatron from Soulsby Synthesizers, is an Open Source 8-bit mono synth based on the Arduino platform.