A $15 board with a touchscreen that can deauth WiFi clients and capture WPA handshakes. The HaleHound CYD sounds too good to be true. After two weeks with one on my bench, I can tell you it's both more capable and more limited than the hype suggests. I kept seeing this thing pop up everywhere. Reddit threads, YouTube walkthroughs, Discord channels full of custom firmware builds. The pitch is dead simple: why spend $60+ on a Raspberry Pi Zero W build for a Pwnagotchi when you can get a functional WiFi pentesting tool for the price of a burrito? I ordered one to find out. What Is the HaleHound CYD, Really? First, let's kill a misconception. The HaleHound CYD isn't a boxed product with a barcode and a warranty card. It's a community project built around the "Cheap Yellow Display" board, a generic ESP32 development board with a 2.8-inch ILI9341 touchscreen you can grab on AliExpress or Amazon for roughly $10-15. "HaleHound" refers to the firmware that turns this cheap dev board into a WiFi security testing tool.…