On September 9th, 2023 we hosted a workshop on how to make a one-time-use Faraday shield for your phone to block radio communication via the cell network, wi-fi, and Bluetooth. […]
Author: iffybooks
🐢 Draw with code! An intro to turtle graphics using Python
On Saturday, August 26th we hosted a self-guided Python Turtle workshop to coincide with the Philly Bookstore Crawl. It went really well! Here’s the zine we used, which you’re free […]
Notes for Router Hack Day 2 at Iffy Books
Saturday, June 24th, 20231:00 p.m. – 6:00 p.m. You can find this document at the following URLs: For the past few months, a handful of people in the Iffy Books […]
☀️ Circuit diagram for a solar-powered LoRa node
We’ve been hard at work running tests and writing documentation for on our upcoming workshop Let’s make a solar-powered chat network, in which we’ll build weatherproof LoRa nodes running Meshtastic to support a […]
🐎 Make a Solar Zoetrope
This past weekend we hosted a workshop called Make a Solar Zoetrope, as part of the DVAA Everyday Futures Fest. It was super fun! If you didn’t make it, we’re […]
Challenge Router Progress Report
The following is transcribed from a conversation with Jim from Trashpanda Village, with a few edits for clarity. You can buy your own Atlas Media challenge router here. What we […]
New zine! Against Intellectual Property by Dante Scanline
We liked this blog post by Dante Scanline so much, we made it into a zine! We’ve handed out hundreds of copies at Iffy Books, and now you can print […]
☀️ New Zine! Build a Solar-Powered Music Synth
Our new how-to zine is ready to share! In this project you’ll build a solar-powered oscillator circuit, using two NOT gates to generate a square wave. Then you’ll add two […]
Security for Reproductive Health with Alison Macrina
On August 27th at Iffy Books, Alison Macrina led a workshop on how to protect your online privacy when accessing information about reproductive health. Here’s a PDF of her slides, […]
Permacomputing Meetup Notes ☀️ July 24, 2022
E-waste in Philly • Rabbit Recyclinghttps://www.rabbitrecycling.com • eForce Compliancehttps://www.eforcecompliance.com E-waste we want to reuse Computers Motors Speakers Hard drives Cell phones, even if they’re carrier-locked E-paper displays How can I […]