4. Morse Code Introduction - ONLINE - New England Sci-Tech
Amazon.com: AEcreative Quick Connect solderless Plug Set for Amateur ham Radio Audio Speaker Headset CW Morse Code Key Paddle 1/8" 3.5-mm 1/4" 6.35mm : Electronics
04 Speaker Morse Part 1 | Let's Start Coding | Coding for Kids
The BLE Morse code keyboard :) had to rewrite the original code I found, added 3 buttons for Backspace , space and enter. add some visual LED confirmation. next step will be