Cool Electronics Circuits
Electronic Circuit Ideas Collection.
Sunday, February 8, 2026
Build Your Own Micro Power AM Transmitter!
Build Your Own Micro Power AM Transmitter!: Learn how to build a simple Micro Power AM Transmitter for short-range audio broadcasting. Great for beginners exploring amplitude modulation and radio circuits
Friday, January 30, 2026
Mini-Radio Firmware V3 Adds RTTY/CW Decoding and EiBi Integration
Mini-Radio Firmware V3 Adds RTTY/CW Decoding and EiBi Integration: Mini-Radio Firmware V3 by H. J. Berndt introduces built-in RTTY and CW decoding along with EiBi schedule integration, enhancing SI4735-based portable receivers.
Wednesday, January 28, 2026
Noise Cancelling Condenser Microphone
Kill the noise, keep the voice. 🤫🎙️
The VU3DXR Noise-Canceling Condenser Mic is a game-changer for clear communication. Perfect for #HamRadio, streaming, and voice-overs. High sensitivity meets professional noise rejection.
Get yours here:
#VU3DXR #RadioGear #AudioTech #Microphone
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