Simple CW Keyer With The 555 Timer IC - The First And Last Fail Of 2023
10:14
CW Keyer With Only One Transistor - Testing A Simple Schematic
11:30
Build A Simple Audible RF Field Strength Meter - Squeakie by VK3YE
4:36
Mecha Comet Linux Handheld (CES 2025)
42:18
Using the 555 Timer
17:45
Ten Minute Transmitter, The Simplest CW Transmitter
12:50
I finally got my homebrew regenerative receiver to work..hand capacitance is not so much an issue.
9:23
DL6ZB Two Transistors Direct Conversion Receiver - VXO Controlled 100% Analog
14:39