layout default title Hardware parent Challenges nav_order 7 permalink /challenges/hardware/ Hardware Challenges # Challenge Difficulty Key Techniques Writeup 1 Photon Lockdown Very Easy Firmware Extraction, Binwalk 7Rocky 2 HM74 Very Easy Hamming Error-Correcting Codes 7Rocky 3 Gawk Easy Logic Analyzer, SPI Protocol 7Rocky 4 Unique Easy UART Communication Analysis 7Rocky 5 Walkie Hackie Easy Radio Frequency Analysis 7Rocky 6 Secure Digital Easy SD Card / SPI Protocol Decode 7Rocky 7 Mini Line Medium Line Protocol Analysis 7Rocky 8 VHDLock Medium VHDL Hardware Description Analysis 7Rocky 9 Debugging Interface Easy UART Debugging, Serial Comms Medium - Justus 10 Debug Easy Hardware Debug Interface Medium - Rahul 11 The Needle Easy Linux Firmware Analysis Motasem Notes