• 🍴 Closed November 27th

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

    We'll be closed on Thursday, November 27th. But we'll be here on Friday!

  • ⏳ Pico LED Hourglass Workshop

    ⏳ Pico LED Hourglass Workshop

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

    Learn to make a programmable game timer and dice with a Pi Pico microcontroller! First you’ll solder six LEDs, two switches, and a vibration motor to the board’s GPIO pins. Then you’ll install and customize the CircuitPython code that makes it work. No experience needed! You’ll need to buy a kit for $8.50 to complete […]

  • 🗒️ One-Time Pad Encryption Workshop

    📝 One-Time Pad Encryption Workshop

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

    Join us for a workshop on one-time pad encryption! We'll walk you through a technique for sending truly private messages without a computer, using 6-sided dice to generate random numbers. We'll use an encoder/decoder sheet that fits on a single sheet of paper and can be recreated from memory. You can find the workshop materials […]

  • 🐧 Linux Lab

    🐧 E-Z Command-Line Encryption with OpenSSL

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

    At this workshop you'll learn to create passphrase-protected files using OpenSSL, a command-line program that's probably already installed on your computer. With this technique you can send encrypted files via email/Dropbox, then share the passphrase with the recipient on a secure channel (e.g., Signal). Useful for avoiding surveillance & data mining! Save message: echo "My […]

  • ✏️ 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 chargers, notepads, etc.

  • 🤔 FAFIO Meetup

    🤔 FAFIO Meetup: Terminal Beginner Night

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

    FAFIO is a new meetup for folks who want to learn new tech skills but aren't sure where to start. Let's fuck around and figure it out! This month we'll be learning some basic command-line skills! Feel free to come and work on something else!

  • 🎲 B-Sides Philly

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

    See y'all at B-Sides!

  • 💻 Philly 2600 Meetup

    💻 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.

  • 🏠 IndieWeb Homebrew Website Club

    🏠 IndieWeb Homebrew Website Club

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

    Homebrew Website Club is a growing world-wide network of meetups for everyone who wants to take back their web experience from social media silos, and own their online identities & content, or just want support with blogging!

  • ✏️ 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 chargers, notepads, etc.

  • 💻 Make Your First Website

    🚧 Make Your First Website

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

    Make a home page like it's 1999! Join us at Iffy Books for a new workshop called Make Your First Website, led by Ragman a.k.a. Richard Green. You'll learn the basics of HTML and create a static site on the free hosting service Neocities. No experience necessary! Please bring a laptop if you have one. […]

  • ⚙️ Neo-Luddite Reading Group

    ⚙️ Neo-Luddite Reading Group: ‘Technics and Civilization’ by Lewis Mumford (1st half)

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

    ➡️ Virtual Meetup Link Discord: Email neoluddite@victorgom.es for an invite! Full schedule: victorgom.es/neoluddite If you're joining for the first time, I'd suggest you read this before anything else for brief context: What the Luddites Really Fought Against by Richard Conniff.The only expectation is that you read the chapter(s) of the book that's listed for that […]

  • ⚙️ Neo-Luddite Reading Group

    ⚙️ Neo-Luddite Reading Group: ‘Technics and Civilization’ by Lewis Mumford (1st half)

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

    ➡️ Virtual Meetup Link Discord: Email neoluddite@victorgom.es for an invite! Full schedule: victorgom.es/neoluddite If you're joining for the first time, I'd suggest you read this before anything else for brief context: What the Luddites Really Fought Against by Richard Conniff.The only expectation is that you read the chapter(s) of the book that's listed for that […]

  • 🚂 Model Internet Club

    🚂 Model Internet Club

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

    The Model Internet Club is back! Join us every second Saturday from 10:30 a.m. to 12:30 p.m. for an informal meetup focused on building small-scale computer networks. No registration needed for this event! If we run out of space we can expand into our back yard area.

  • 🐢 Draw with code! An intro to turtle graphics using Python

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

    Drop in any time from 10:30 a.m. to 1:30 p.m. and learn to draw cool geometric pictures using Python! It's just like Logo, the turtle drawing program that introduced a generation of kids to computers in the '80s and '90s. ☀️ Draw with code! An intro to turtle graphics using Python ☀️ Screen reading PDF […]

  • ✏️ The Writing Room

    ✏️ T̶h̶e̶ ̶W̶r̶i̶t̶i̶n̶g̶ ̶R̶o̶o̶m̶ (canceled this week!)

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

    We're canceling the Writing Room this week due to the freezing weather, and we're taking the next couple weeks off for the holidays. We'll be back in January! 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 […]

  • 🔄 Solder & Code: Pico Power Cycler

    🔄 Solder & Code: Pico Power Cycler

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

    In this workshop you'll build a gadget that turns power on and off for a USB-powered device. Useful for rebooting solar-powered radios, making decorations blink, etc. No experience with soldering or programming required! You'll need to buy a kit for $11.50 to complete this project. Here's what it contains: - Pi Pico board with USB-C […]

  • 👁️ Intelligence History Reading Group: ‘The Achilles Trap’ by Steve Coll

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

    This month we're readingThe Achilles Trap Saddam Hussein, the United States and the Middle East, 1979-2003 by Steve Coll 🎧 Get the audiobook on Libro.fm The Achilles Trap masterfully untangles the people, ploys of power and geopolitics that led to America's disastrous war with Iraq and, for the first time, details America's fundamental miscalculations during […]

  • 🔄 Solder & Code: Pico Power Cycler

    🔄 Solder & Code: Pico Power Cycler

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

    In this workshop you'll build a gadget that turns power on and off for a USB-powered device. Useful for rebooting solar-powered radios, making decorations blink, etc. No experience with soldering or programming required! You'll need to buy a kit for $11.50 to complete this project. Here's what it contains: - Pi Pico board with USB-C […]

  • ❄️ Closed December 25th

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

    We'll be closed on December 25th. Sorry for the inconvenience! Photo CC-BY Alexey Kljatov

  • 🧸 Toy Quieting Workshop

    🧸 Toy Quieting Workshop

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

    Is there a toy in your house that’s so loud it’s driving you up a wall? Are you just curious about electronics and sound? Join us for a hands-on workshop on how to quiet or silence kids’ electronic toys. Bring an electronic toy to modify and we’ll walk you through the steps. Register:

  • 🧸 Toy Quieting Workshop

    🧸 Toy Quieting Workshop

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

    Is there a toy in your house that’s so loud it’s driving you up a wall? Are you just curious about electronics and sound? Join us for a hands-on workshop on how to quiet or silence kids’ electronic toys. Bring an electronic toy to modify and we’ll walk you through the steps. Register:

  • 🎶 Breadboard MP3 Player Workshop

    🎶 Breadboard MP3 Player Workshop

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

    Stay tuned for details! Instructions & example code Here's what's included in the kit: Pi Pico board with USB-C port & pre-soldered header pins DFplayer MP3 Player module 3W speaker 830 tie point breadboard 2-prong screw terminal 4 push buttons single-core wire (16″) mini wire cutter/stripper tool M2 screw Here’s what else you’ll need: microSD […]

  • 📡 Meshtastic 101

    📡 Meshtastic 101

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

    Join us for an introduction to Meshtastic, an application that lets you send private text messages over the air using pocket-sized LoRa radio transceivers. We’ll show you how to flash the latest Meshtastic firmware to the device, customize the settings, and start chatting with your friends. Here’s a link to our zine on LoRa + Meshtastic. […]

  • 🕰️ Closed January 1st

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

    We'll be closed on New Year's Day. Sorry for the inconvenience!