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  • Coffee mug with the trans flag printed on it (pastel blue, pastel pink, and white stripes)

    ☕️ Coffee Talk

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

    A social hangout every first and third Monday for trans and non-binary people, their significant others, and allies. We have snacks and coffee.

  • 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.

    ✏️ 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.

  • A washed-out image of the Sphinx in Egypt, screen captured from an analog video tape

    📼 Analog A/V Session

    📼 Analog A/V Session
    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come experiment with VHS tapes and audio cassettes! We'll have equipment on hand for analog-to-digital and digital-to-analog transfers. Register:

  • A black QWERTY keyboard with stickers on some of the keys, turning it into a low-cost DJ controller for the open source program Mixxx

    🔊 DJ Basixxx with Mixxx

    🔊 DJ Basixxx with MIXXX
    Iffy Books 404 S. 20th St., Philadelphia, United States

    An introduction to Mixxx, a free and open source DJ program for macOS, Linux, and Windows that supports a wide range of DJ controller devices and audio file formats. You'll be beatmatching in no time! You'll need to bring your own laptop and headphones for this workshop. We also recommend bringing a separate USB keyboard […]

  • The symbol of the permacomputing movement, a pixel art flower 7 pixels wide and 9 pixels tall, in white on a black background.

    💾☀️ Permacomputing + Solarpunk Meetup

    💾☀️ Permacomputing + Solarpunk Meetup
    Iffy Books 404 S. 20th St., Philadelphia, United States

    The Permacomputing + Solarpunk meetup is the first Wednesday every other month at Iffy Books! You can join us in person (404 S. 20th St., PHL) or remotely via Jitsi Meet.   ➡️ Virtual meetup link From Permacomputing.net: Permacomputing is a more sustainable approach to computer and network technology inspired by permaculture. Permacomputing is both a concept and […]

  • Photo of a purple TP4056 lithium-ion battery connected to a TP4056 charge controller and a PH2.5 connector, which is plugged into a LoRa radio node with the green power light on

    🔋 Beginner Soldering: Li-Ion Battery Pack

    🔋 Beginner Soldering: Li-Ion Battery Pack
    Iffy Books 404 S. 20th St., Philadelphia, United States

    Make a rechargeable battery pack for your LoRa node, a microcontroller such as an ESP32 or Pi Pico, or anything that runs on 3–4 Volts. Perfect for folks who've never soldered before! To complete this project you'll need to buy a li-ion battery pack kit for $3.99. Here's what it includes: • 18650 battery clip […]

  • Flyer with an illustration of two people trapped inside a gear, with the following text: Neo-Luddite Reading Group / Iffy Books

    ⚙️ Neo-Luddite Reading Group

    ⚙️ Neo-Luddite Reading Group
    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 […]

  • Photo of a Harbor Breeze solar light from Lowe's with the text "Build a Solar-Powered Meshtastic Node!"

    ☀️ Build a Solar-Powered Meshtastic Node

    ☀️ Build a Solar-Powered Meshtastic Node
    Iffy Books 404 S. 20th St., Philadelphia, United States

    This event will include an introduction to Meshtastic, followed by a beginner-friendly workshop where the attendees will build and take home a Meshtastic node of their own. Attendees will learn about Meshtastic, building a simple electronics project, and how to solder. Meshtastic nodes allow users to send text messages to each other using the LoRa […]

  • Flyer with an illustration of a circle A anarchy symbol made of cross-stitch Xes, with the following text: ANARCHIST SEWING CLUB 2nd Sundays 3–5 pm Iffy Books 404 S. 20th St., PHL

    🧵 Anarchist Sewing Club

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

    Interested in learning to sew, mend or make clothes? Already know how and wanna hang out with people while sewing? Come and join us! Sewing supplies and a sewing machine will be available for anyone needing them.   Image credit

  • Illustration of a black flag inside a dark circle, a symbol of the anarchism movement

    🏴 Anarchy Summer Reading Group

    🏴 Anarchy Summer Reading Group
    Iffy Books 404 S. 20th St., Philadelphia, United States

    We're meeting every two weeks to discuss classics of anarchist literature, starting with Anarchism and Other Essays by Emma Goldman and The Conquest of Bread by Peter Kropotkin. Stay tuned for more details!

  • Photo of a tiny clay teapot in front of a red box of Barry's Tea teabags

    ✨ NFC Sculpture Workshop

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

    In this workshop we'll make little clay sculptures with NFC tags embedded inside, which you can use to trigger shortcuts on your phone. Fun! Here's a link to a blog post about this project. Register: coming soon!

  • 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.

    ✏️ 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.

  • Zine cover for "Build a Solar-Powered Music Synth," with the Iffy Books logo in the lower left corner. In the middle of the page there's a black-and-white drawing of cute hamsters assembling electronic components on a breadboard. A spiral sun is overhead, with a curving arrow pointing at a pair of music notes.

    ☀️ Solar Music Synth Workshop

    ☀️ Solar Music Synth Workshop
    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us and build a tiny solar-powered square wave generator on a breadboard. No soldering required! The workshop is free to attend, but you'll need to purchase a kit for $12.50 to complete the project. Here's a link to the how-to zine we'll use. And here's a diagram of the oscillator circuit we'll build: Register:

  • An illustration of an assembled Digital Notebook Kit on a solderless breadboard: a microSD card port, an OLED screen, and an ESP32-C3 microcontroller unit, all connected with purple and orange wires

    📓 DIY Digital Notebook Workshop

    📓 DIY Digital Notebook Workshop
    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you’ll build a digital notebook, a pocket-sized device for taking notes with a USB keyboard. We’re using affordable, widely available components: a Seeed XIAO ESP32-S3 microcontroller, a 1-inch OLED display, and a microSD card reader, arranged on a solderless breadboard. The ESP32-S3 connects to the display via the I2C (Inter-Integrated Circuit) protocol, […]

  • Flyer for the Slow Living Support Group, with illustrations of a fountain pen, a journal, yarn with knitting needles, and the following text: For people who value connection, sustainability, and creativity -- without AI. Bring: - writing projects - craft projects - books & book recommendations - CDs Do not bring: - screens Provided: - zine-making supplies - snacks

    🐌 Slow Living Support Group

    🐌 Slow Living Support Group
    Iffy Books 404 S. 20th St., Philadelphia, United States

    For people who value connection, sustainability, and creativity -- without AI. Bring: • writing projects • craft projects • books & book recommendations • CDs Do not bring: • screens Provided: • zine-making supplies • snacks

  • Photo of a purple TP4056 lithium-ion battery connected to a TP4056 charge controller and a PH2.5 connector, which is plugged into a LoRa radio node with the green power light on

    🔋 Beginner Soldering: Li-Ion Battery Pack

    🔋 Beginner Soldering: Li-Ion Battery Pack
    Iffy Books 404 S. 20th St., Philadelphia, United States

    Make a rechargeable battery pack for your LoRa node, a microcontroller such as an ESP32 or Pi Pico, or anything that runs on 3–4 Volts. Perfect for folks who've never soldered before! To complete this project you'll need to buy a li-ion battery pack kit for $3.99. Here's what it includes: • 18650 battery clip […]

  • Flyer with an icon of a laptop and the following text in pink outlined with green: FAFIO meetup fuck around and figure it out!

    🤔 FAFIO Beginner Tech Meetup

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

    FAFIO is a 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. FAFIO means there is no instructor. Instead we learn by talking and sharing knowledge, reading info in zines and online, and hands-on trial and error.

  • A Neo-6M GPS device, with a blue microcontroller board connected by a wire to a square metal antenna unit

    📍 Offline GPS Unit Workshop

    📍 Offline GPS Unit Workshop
    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll build a device that displays your GPS coordinates and the current time, without connecting to the internet or transmitting anything. 100% passive and off-grid, no internet or cell connection needed! We'll use the MicroPython programming language and the Thonny IDE, following the instructions on this page. You'll need to purchase a kit to […]

  • The Meshtastic logo, with the word "Meshtastic" in black

    📡 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. […]

  • A black QWERTY keyboard with stickers on some of the keys, turning it into a low-cost DJ controller for the open source program Mixxx

    🔊 DJ Basixxx with Mixxx

    🔊 DJ Basixxx with MIXXX
    Iffy Books 404 S. 20th St., Philadelphia, United States

    An introduction to Mixxx, a free and open source DJ program for macOS, Linux, and Windows that supports a wide range of DJ controller devices and audio file formats. You'll be beatmatching in no time! You'll need to bring your own laptop and headphones for this workshop. We also recommend bringing a separate USB keyboard […]

  • Coffee mug with the trans flag printed on it (pastel blue, pastel pink, and white stripes)

    ☕️ Coffee Talk

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

    A social hangout every first and third Monday for trans and non-binary people, their significant others, and allies. We have snacks and coffee.

  • 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.

    ✏️ 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.

  • A washed-out image of the Sphinx in Egypt, screen captured from an analog video tape

    📼 Analog A/V Session

    📼 Analog A/V Session
    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come experiment with VHS tapes and audio cassettes! We'll have equipment on hand for analog-to-digital and digital-to-analog transfers. Register:

  • A black QWERTY keyboard with stickers on some of the keys, turning it into a low-cost DJ controller for the open source program Mixxx

    🔊 DJ Basixxx with Mixxx

    🔊 DJ Basixxx with MIXXX
    Iffy Books 404 S. 20th St., Philadelphia, United States

    An introduction to Mixxx, a free and open source DJ program for macOS, Linux, and Windows that supports a wide range of DJ controller devices and audio file formats. You'll be beatmatching in no time! You'll need to bring your own laptop and headphones for this workshop. We also recommend bringing a separate USB keyboard […]

  • Photo of a purple TP4056 lithium-ion battery connected to a TP4056 charge controller and a PH2.5 connector, which is plugged into a LoRa radio node with the green power light on

    🔋 Beginner Soldering: Li-Ion Battery Pack

    🔋 Beginner Soldering: Li-Ion Battery Pack
    Iffy Books 404 S. 20th St., Philadelphia, United States

    Make a rechargeable battery pack for your LoRa node, a microcontroller such as an ESP32 or Pi Pico, or anything that runs on 3–4 Volts. Perfect for folks who've never soldered before! To complete this project you'll need to buy a li-ion battery pack kit for $3.99. Here's what it includes: • 18650 battery clip […]

  • Photo of a cyberdeck, i.e. a DIY laptop with a tiny screen. This one is running Kali Linux.

    💻 Cyberdeck Meetup

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

    A cyberdeck is a DIY laptop based on a single-board computer (SBC) such as Raspberry Pi, with a tiny LCD screen and keyboard enclosed in a folding case. Bring an SBC to this meetup and start building your own! We'll have LCD screens and keybaords for sale, as well as wooden boxes in various sizes. […]

  • Illustration of a black flag inside a dark circle, a symbol of the anarchism movement

    🏴 Anarchy Summer Reading Group

    🏴 Anarchy Summer Reading Group
    Iffy Books 404 S. 20th St., Philadelphia, United States

    We're meeting every two weeks to discuss classics of anarchist literature, starting with Anarchism and Other Essays by Emma Goldman and The Conquest of Bread by Peter Kropotkin. Stay tuned for more details!

  • 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.

    ✏️ 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.

  • Zine cover for "Build a Solar-Powered Music Synth," with the Iffy Books logo in the lower left corner. In the middle of the page there's a black-and-white drawing of cute hamsters assembling electronic components on a breadboard. A spiral sun is overhead, with a curving arrow pointing at a pair of music notes.

    ☀️ Solar Music Synth Workshop

    ☀️ Solar Music Synth Workshop
    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us and build a tiny solar-powered square wave generator on a breadboard. No soldering required! The workshop is free to attend, but you'll need to purchase a kit for $12.50 to complete the project. Here's a link to the how-to zine we'll use. And here's a diagram of the oscillator circuit we'll build: Register:

  • An illustration of an assembled Digital Notebook Kit on a solderless breadboard: a microSD card port, an OLED screen, and an ESP32-C3 microcontroller unit, all connected with purple and orange wires

    📓 DIY Digital Notebook Workshop

    📓 DIY Digital Notebook Workshop
    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you’ll build a digital notebook, a pocket-sized device for taking notes with a USB keyboard. We’re using affordable, widely available components: a Seeed XIAO ESP32-S3 microcontroller, a 1-inch OLED display, and a microSD card reader, arranged on a solderless breadboard. The ESP32-S3 connects to the display via the I2C (Inter-Integrated Circuit) protocol, […]