The New LS7222 Based Combination Lock Module With Membrane Keypad (16-Digit Matrix)

1,806 views · Published 8 June 2013 · 10:42 · Indexed 4 November 2026

Channel: patrickikis · 2013 · Science & Technology

Watch on YouTube

Available Soon, In Many Variations At:
www.engineeringshock.com
&
www.electroniclessons.com (Ebay Store)

More from this channel