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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 […]

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 […]

A handmade audio sampler with a Pi Pico board, a 2x4 push button keypad, and a 3.5mm audio output jack
🎶 Pico MP3 Sampler Workshop

🎶 Pico MP3 Sampler Workshop

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

Create your own digital audio sampler using a Pi Pico clone board! This project requires some soldering. It's recommended for folks who have soldered once or twice before, but beginners […]

Flyer with a cross-section of earth with sprouts and roots on top and a large smiling worm underground making a 4. The text reads Iffy Books 4th Birthday Party Fri, July 25 6-10 PM 404 S. 20th St., PHL

🎂 Iffy Books 4th Birthday Party!

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

This Friday we’re hosting a 4th birthday party at Iffy Books! Stop by on 7/25 from 6–10 p.m. for drinks, snacks, and general fun. We’ll have cake at 8. Hope […]

Flyer with the following text: Big Summer Book Sale STOP BY Icebox Project Space Sunday, July 27, 2025 11AM-5PM Bookstores Independent Publishers Artist Collectives & Printworkers 30 Vendors Hot Dogs Cash Bar

🌞📚 Big Summer Book Sale at Icebox Project Space

Icebox Project Space at Crane Arts 1400 N American St., Philadelphia, PA, United States

See y'all at Icebox Project Space (1400 N American St.) for the Big Summer Book Sale 2025! We'll be there all day, from 11 a.m. to 5 p.m. Thanks to […]

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 […]

The words "Philly 2600" in an old-school digital font
💻 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.

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 […]

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 […]

Painting of workers and enormous machines in a Detroit auto plant, painted by Diego Rivera
📚 Capital Reading Group

📚 Capital Reading Group

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

Join us for a discussion on Marx's Capital by. We'll post the sections we're covering before each meeting. We're reading Paul Reitter's recent translation (Princeton University Press, 2024).

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.
🚂 Model Internet Club

🚂 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 12:30 p.m. for an informal meetup focused on building small-scale computer networks. No registration needed […]

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 […]

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 […]

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 […]

Photo of bookshelves with the following text overlaid: Saturday, August 23rd, 2025 The Philly Bookstore Crawl

🐌 Philly Bookstore Crawl

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

The third annual Philly Bookstore Crawl is on Saturday, August 23rd. Can't wait to see y'all!

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 […]

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 […]