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  • February 2025
  • Wed 5
    Logo for the DC215 meetup, with the DEF CON logo (smiley face and crossbones) on the left and "215" in green ASCII art on the right, all on the black background
    February 5 @ 6:00 pm - 8:00 pm

    πŸ’» DC215: Hands Off – Make the Machines Do It!

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Welcome to the DC215 Meetup! Join us for an exciting gathering of tech enthusiasts, hackers, and cybersecurity professionals at Iffy Books. This in-person event is the perfect opportunity to network, […]

  • Thu 6
    Animated GIF of a small printed circuit board with a row of four green LEDs and one red LED creating a bouncing audio level meter
    February 6 @ 12:00 pm - 1:30 pm πŸ”Š Beginner Soldering: DIY Audio Meter

    πŸ”Š Beginner Soldering: DIY Audio Meter

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us for another beginner-friendly soldering project at Iffy Books! You'll assemble a DIY audio meter kit, which you can use to visualize an audio signal's amplitude. To complete this […]

  • Thu 6
    A painting of several factory buildings by Vincent van Gogh. There's matted hay on the ground in the foreground. A person dressed in black in the middle distance is carrying a long yellow object
    February 6 @ 7:00 pm - 9:00 pm πŸ“š Capital Reading Group

    πŸ“š Capital Reading Group

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us on the first and third Thursday of every month at 7 p.m. for a reading group on Capital by Karl Marx. We'll be reading Paul Reitter's recent translation […]

  • Fri 7
    February 7 @ 12:00 pm - 1:30 pm πŸ“‘ Meshtastic Mods: Batteries & Canned Messages

    πŸ“‘ Meshtastic Mods: Batteries & Canned Messages

    Iffy Books 404 S. 20th St., Philadelphia, United States

    If you're already using Meshtastic and you're curious about adding hardware to your LoRa radio, this workshop is for you! We'll show you how to attach a lithium-ion battery and/or […]

  • Fri 7
    Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
    February 7 @ 2:00 pm - 3:30 pm ❀️ Soldering Practice: LED Heart Board

    ❀️ Soldering Practice: LED Heart Board

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

  • Fri 7
    The words "Philly 2600" in an old-school digital font
    February 7 @ 6:00 pm - 8:00 pm πŸ’» Philly 2600 Meetup

    πŸ’» Philly 2600 Meetup

    Iffy Books 404 S. 20th St., Philadelphia, United States

    > The Philly 2600 meeting is a monthly gathering of local hackers, phreaks, nerds, geeks, activists, tinkerers, developers, infosec professionals, and other interesting people.

  • Sat 8
    February 8 @ 11:00 am - 12:30 pm πŸ“‘ Meshtastic Mods: Batteries & Canned Messages

    πŸ“‘ MΜΆeΜΆsΜΆhΜΆtΜΆaΜΆsΜΆtΜΆiΜΆcΜΆ ΜΆMΜΆoΜΆdΜΆsΜΆ:ΜΆ ΜΆBΜΆaΜΆtΜΆtΜΆeΜΆrΜΆiΜΆeΜΆsΜΆ ΜΆ&ΜΆ ΜΆCΜΆaΜΆnΜΆnΜΆeΜΆdΜΆ ΜΆMΜΆeΜΆsΜΆsΜΆaΜΆgΜΆeΜΆsΜΆ (postponed!)

    Iffy Books 404 S. 20th St., Philadelphia, United States

    We're postponing this workshop while we work out some issues with the rotary encoders we're using. We're sorry for the inconvenience! Stay tuned for a new date sometime in the […]

  • Sun 9
    A white hand-drawn outline of a cassette tape on a red background, with hearts in place of the holes. The bottom says "Iffy Books 404 S. 20th St., PHL"
    February 9 @ 10:30 am - 12:00 pm 🎡 Cassette Mixtape Session

    🎡 Cassette Mixtape Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Bring a playlist on your phone/computer and we’ll help you record it to an audio cassette tape! We have plenty of cassettes to share. We're suggesting a $5–$15 donation for […]

  • Mon 10
    A white hand-drawn outline of a cassette tape on a red background, with hearts in place of the holes. The bottom says "Iffy Books 404 S. 20th St., PHL"
    February 10 @ 12:00 pm - 1:30 pm 🎡 Cassette Mixtape Session

    🎡 Cassette Mixtape Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Bring a playlist on your phone/computer and we’ll help you record it to an audio cassette tape! We have plenty of cassettes to share. We're suggesting a $5–$15 donation for […]

  • Mon 10
    Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
    February 10 @ 1:30 pm - 3:00 pm ❀️ Soldering Practice: LED Heart Board

    ❀️ Soldering Practice: LED Heart Board

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

  • Tue 11
    A white hand-drawn outline of a cassette tape on a red background, with hearts in place of the holes. The bottom says "Iffy Books 404 S. 20th St., PHL"
    February 11 @ 10:00 am - 11:30 am 🎡 Cassette Mixtape Session

    🎡 Cassette Mixtape Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Bring a playlist on your phone/computer and we’ll help you record it to an audio cassette tape! We have plenty of cassettes to share. We're suggesting a $5–$15 donation for […]

  • Tue 11
    Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
    February 11 @ 12:00 pm - 1:30 pm ❀️ Soldering Practice: LED Heart Board

    ❀️ Soldering Practice: LED Heart Board

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

  • Tue 11
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    February 11 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer […]

  • Wed 12
    A white hand-drawn outline of a cassette tape on a red background, with hearts in place of the holes. The bottom says "Iffy Books 404 S. 20th St., PHL"
    February 12 @ 12:00 pm - 1:30 pm 🎡 Cassette Mixtape Session

    🎡 Cassette Mixtape Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Bring a playlist on your phone/computer and we’ll help you record it to an audio cassette tape! We have plenty of cassettes to share. We're suggesting a $5–$15 donation for […]

  • Wed 12
    Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
    February 12 @ 2:00 pm - 3:30 pm ❀️ Soldering Practice: LED Heart Board

    ❀️ Soldering Practice: LED Heart Board

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

  • Wed 12
    Flyer image with a book cover and the following text: Neo-Luddite Reading Group: The Age of Surveillance Capitalism by Shoshana Zuboff 2nd Wednesdays! 6:30 PM - 8:30 PM Weds, December 11th: Introduction & Part I Weds, January 8th: Part II Weds, Feb 12th: Part III & Conclusion Iffy Books 404 S. 20th St., PHL
    February 12 @ 6:30 pm - 8:30 pm βš™οΈ Neo-Luddite Reading Group

    βš™οΈ Neo-Luddite Reading Group: ‘The Age of Surveillance Capitalism’ by Shoshana Zuboff

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Our next book for the Neo-Luddite Reading Group is The Age of Surveillance Capitalism by Shoshana Zuboff (2019). ➑️ Virtual Meetup Link Discord: Email neoluddite@victorgom.es for an invite! Full schedule: […]

  • Thu 13
    Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
    February 13 @ 6:00 pm - 7:30 pm ❀️ Soldering Practice: LED Heart Board

    ❀️ Soldering Practice: LED Heart Board

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

  • Fri 14
    With Love, Philly Friday, Feb 14th Make Love Market 1 PM - 6 PM Love Park Building 1600 JFK
    February 14 @ 1:00 pm - 6:00 pm

    πŸ’˜ ΜΆMΜΆaΜΆkΜΆeΜΆ ΜΆLΜΆoΜΆvΜΆeΜΆ ΜΆMΜΆaΜΆrΜΆkΜΆeΜΆtΜΆ ΜΆaΜΆtΜΆ ΜΆLΜΆoΜΆvΜΆeΜΆ ΜΆPΜΆaΜΆrΜΆkΜΆ Canceled

    Love Park Building, 1600 JFK 1600 JFK Boulevard, Philadelphia, PA, United States

    Canceled due to the parade πŸ™ Now and Then Marketplace on Instagram

  • Sat 15
    A drawing of two smiling turtles facing each other, with a wi-fi symbol over their heads. One is wearing a cowboy hat and the other is wearing a little bowler. Both turtles have computers on their backs. The text "Model Internet Club" is at the bottom in a typewriter font.
    February 15 @ 10:30 am - 1:30 pm πŸš‚ Model Internet Club

    πŸš‚ Model Internet Club

    Iffy Books 404 S. 20th St., Philadelphia, United States

    The Model Internet Club is back! Join us every third Saturday from 10:30 a.m. to 1:30 p.m. for an informal meetup focused on building small-scale computer networks. Space is limited […]

  • Tue 18
    Flyer image with the following text: Design a Flyer with Scribus a workshop at Iffy Books Tues, Feb 18th 12 p.m. – 1:30 p.m. Weds, Feb 19th 10 a.m. – 11:30 p.m. Fri, Feb 21st 10 a.m. – 11:30 p.m. Fri, Feb 21st 12 p.m. – 1:30 p.m. Sat, Feb 22nd 10 a.m. – 11:30 p.m. Scribus is a free computer program you can use to design flyers, zines, books, and anything else you want to print! Unlike Microsoft Word, you can arrange text and images however you like. And unlike online design programs, your creative work won’t be vacuumed up by the surveillance state. πŸ™‚ Details & registration at iffybooks.net
    February 18 @ 12:00 pm - 1:30 pm πŸ“„ Design a Flyer with Scribus

    πŸ“„ Design a Flyer with Scribus

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Scribus is a free computer program you can use to design flyers, zines, books, and anything else you're planning to print! Unlike Microsoft Word, you can arrange text and images […]

  • Tue 18
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    February 18 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer […]

  • Wed 19
    Flyer image with the following text: Design a Flyer with Scribus a workshop at Iffy Books Tues, Feb 18th 12 p.m. – 1:30 p.m. Weds, Feb 19th 10 a.m. – 11:30 p.m. Fri, Feb 21st 10 a.m. – 11:30 p.m. Fri, Feb 21st 12 p.m. – 1:30 p.m. Sat, Feb 22nd 10 a.m. – 11:30 p.m. Scribus is a free computer program you can use to design flyers, zines, books, and anything else you're planning to print! Unlike Microsoft Word, you can arrange text and images however you want on the page. And unlike subscription-based design programs, your creative work won't be monitored and archived by the surveillance state. Details & registration at iffybooks.net
    February 19 @ 10:00 am - 11:30 am πŸ“„ Design a Flyer with Scribus

    πŸ“„ Design a Flyer with Scribus

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Scribus is a free computer program you can use to design flyers, zines, books, and anything else you want to print! Unlike Microsoft Word, you can arrange text and images […]

  • Wed 19
    Simplified illustrations of four types of waves: a sine wave in red, a square wave in green, a triangle wave in blue, and a sawtooth wave in purple. CC-BY Omegatron, from Wikipedia.
    February 19 @ 6:00 pm - 8:00 pm

    🎢 Intro to Computer Music: Build an Algorithmic Sequencer in Max

    Iffy Books 404 S. 20th St., Philadelphia, United States

    This workshop approaches one of the most fundamental components of electronic music-making -- the sequencer -- as a potential creative collaborator. Leveraging a handful of simple algorithms, participants will develop […]

  • Thu 20
    Painting of workers and enormous machines in a Detroit auto plant, painted by Diego Rivera
    February 20 @ 7:00 pm - 9:00 pm πŸ“š Capital Reading Group

    πŸ“š Capital Reading Group

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us on the first and third Thursday of every month at 7 p.m. for a reading group on Capital by Karl Marx. We'll post the sections we're covering before […]

  • Thu 20
    Painting of workers and enormous machines in a Detroit auto plant, painted by Diego Rivera
    February 20 @ 7:00 pm - 9:00 pm πŸ“š Capital Reading Group

    πŸ“š Capital Reading Group

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us on the first and third Thursday of every month at 7 p.m. for a reading group on Capital by Karl Marx. For February 20th we're reading chapters 3 […]

  • Fri 21
    Flyer image with the following text: Design a Flyer with Scribus a workshop at Iffy Books Tues, Feb 18th 12 p.m. – 1:30 p.m. Weds, Feb 19th 10 a.m. – 11:30 p.m. Fri, Feb 21st 10 a.m. – 11:30 p.m. Fri, Feb 21st 12 p.m. – 1:30 p.m. Sat, Feb 22nd 10 a.m. – 11:30 p.m. Scribus is a free computer program you can use to design flyers, zines, books, and anything else you're planning to print! Unlike Microsoft Word, you can arrange text and images however you want on the page. And unlike subscription-based design programs, your creative work won't be monitored and archived by the surveillance state. Details & registration at iffybooks.net
    February 21 @ 12:00 pm - 1:30 pm πŸ“„ Design a Flyer with Scribus

    πŸ“„ Design a Flyer with Scribus

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Scribus is a free computer program you can use to design flyers, zines, books, and anything else you want to print! Unlike Microsoft Word, you can arrange text and images […]

  • Fri 21
    The logo for The Open Organization of Lockpickers, with the acronym TOOOL at the top in red. Each letter O in the acronym is designed to look like the keyway of a lock.
    February 21 @ 6:00 pm - 8:00 pm πŸ”“ TOOOL Lock Picking Meetup

    πŸ”“ TOOOL Lock Picking Meetup

    Iffy Books 404 S. 20th St., Philadelphia, United States

    The third Friday of every month from 6–8 p.m. we host a meetup run by the Philadelphia Chapter of the Open Organization of Lockpickers. > Come join us for our […]

  • Sat 22
    Flyer image with the following text: Design a Flyer with Scribus a workshop at Iffy Books Tues, Feb 18th 12 p.m. – 1:30 p.m. Weds, Feb 19th 10 a.m. – 11:30 p.m. Fri, Feb 21st 10 a.m. – 11:30 p.m. Fri, Feb 21st 12 p.m. – 1:30 p.m. Sat, Feb 22nd 10 a.m. – 11:30 p.m. Scribus is a free computer program you can use to design flyers, zines, books, and anything else you're planning to print! Unlike Microsoft Word, you can arrange text and images however you want on the page. And unlike subscription-based design programs, your creative work won't be monitored and archived by the surveillance state. Details & registration at iffybooks.net
    February 22 @ 10:00 am - 11:30 am πŸ“„ Design a Flyer with Scribus

    πŸ“„ Design a Flyer with Scribus

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Scribus is a free computer program you can use to design flyers, zines, books, and anything else you want to print! Unlike Microsoft Word, you can arrange text and images […]

  • Mon 24
    February 24 @ 12:00 pm - 1:30 pm πŸ’‘ Solder & Code: Make a 3-Button Keyboard with a Pi Pico

    πŸ’‘ Solder & Code: Make a 3-Button Keyboard with a Pi Pico

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll build and program a customizable 3-button USB keyboard using a Pi Pico microcontroller. You can program each button to type a chunk of text (e.g., your […]

  • Tue 25
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    February 25 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer […]

  • Wed 26
    A photo of a Bostitch booklet stapler, with the following text overlaid with a rainbow gradient: Volunteer Zine Folding Session
    February 26 @ 12:00 pm - 2:00 pm πŸ–‡οΈ Volunteer Zine Folding Session

    πŸ–‡οΈ Volunteer Zine Folding Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    We print a *lot* of zines at Iffy Books, which we distribute for free or by donation. That means we’re constantly folding and stapling, which takes patience. And we’re currently […]

  • Wed 26
    Front cover of 'The Birds of Maine' by Michael DeForge, with the title in psychedelic lettering and little white mushrooms popping up all over
    February 26 @ 7:00 pm - 8:30 pm

    πŸͺ Speculative Futures Reading Group: ‘The Birds of Maine’ by Michael DeForge

    Iffy Books 404 S. 20th St., Philadelphia, United States

    On Wednesday, February 26th at 7 p.m. we'll discuss the graphic novel The Birds of Maine by Michael DeForge. Hope to see you there! > Long after the demise of […]

  • Thu 27
    Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
    February 27 @ 12:00 pm - 1:30 pm ❀️ Soldering Practice: LED Heart Board

    ❀️ Soldering Practice: LED Heart Board

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

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