1 Make your own wedding audio guestbook - a step-by-step guide!
Playful Technology's tutorial for turning an old telephone into an audio guestbook, followed by several makers, with code available and a little soldering required.
Channel
Playful Technology
4 recommended videos. Channel on YouTube
2 Audio modules for electronics project
A survey of sound playback options for microcontroller projects from an escape room designer, recommended when choosing a module and explaining the drawbacks of the DFPlayer.
3 Arduino-Controlled Rotary Telephone (DIY Escape Room Prop Tutorial)
Recommended as a tutorial for reading the digits from an old rotary phone with Arduino, then playing recordings and ringing its bells, handy for prop builds.
4 Escape Room Object Placement Puzzle using Arduino/RFID
Suggested for anyone building escape room puzzles, showing several RFID readers on one Arduino driving a relay-switched magnetic lock.
