Using a 555 Timer in Monostable Mode - The Geek Pub
Amazon.com: The Ultimate Beginner's Guide to the 555 Timer: Build the Atari Punk Console and Other Breadboard Electronics Projects eBook : Rutherford, Jesse: Kindle Store
EDKITS Astable & Monostable Multivibrators Using Ic 555 Trainer Kit Pack of 2 : Amazon.in: Industrial & Scientific
3pcs/lot DIY Kit 555 Multibrator Suite NE555 Astable Circuit Practical Electronic Production Training Dual Flash LED Parts: Amazon.com: Industrial & Scientific