CD4017 code lock with wrong code detection
Learn how to build an advanced six-digit code lock with built-in wrong code detection, using the CD4017 decimal counter, the CD4081 AND gate IC, and the NE555 timer. In this project we will go through the basics of the schematic and build it together, step by step. Let me know if you have any questions in the comments, and I will do my best to get back to you. Thanks for tuning in! More details and an up-to-date list of all components: http://www.friendlywire.com/projects/... Monthly email list: http://www.friendlywire.com/email Thanks for tuning in, and let me know in the comments if you have any questions! Website: http://www.friendlywire.com Twitter: / friendlywire Reddit: / friendlywire Facebook: / friendlywire Instagram: / friendlywire Timestamps: 00:00 Introduction 00:44 What you need 02:01 Code lock schematic & explanation 10:19 Building the code lock 18:02 Finished code lock 18:25 How many combinations are there? 18:48 Final thoughts
Make a scrolling text display with CD4094 shift registers!
DIY Electronic Number Lock with CD4017 IC
HOW TRANSISTORS RUN CODE?
If Prime Numbers Become Increasingly Rare, Then Why Do They Keep Showing Up In Pairs?
Best breadboard 7-segment LED driver: TLC5916 tutorial
Hacking a weird TV censoring device
CD4094 & CD4021 shift register tutorial: three wires to rule them all
Make your own PCB with a sharpie!
Something is jamming GPS over Europe. Here's what we found
SPI: The serial peripheral interface
Op-Amps - Using Operational Amplifiers
How Huawei Just Built an Impossible Chip
How to use rotary encoders
Fun with Transistors
NVIDIA Monopoly is DEAD | OPEN-SOURCE Chips Are HERE!
555 Timer based Electronic code lock circuit | SdevElectronics
Designing a 7-segment hex decoder
Comparators: The Building Blocks of Analog to Digital Converters (ADC)
MAX7219 LED multiplexing tutorial
