Balun One Nine - Tiny Low-Cost 1:9 HF Antenna Balun Arduino UNO SMD compatible Board(Pack of 25) supporting both local LAN control

supporting both local LAN control and cloud-based remote access

cellular bands

The CD4532 is a high-performance 8-bit priority encoder IC designed for digital logic applications

monitor coil temperature and ensure it does not exceed 80 degrees Celsius under continuous duty

CD4093 Quad 2-Input NAND Schmitt Trigger IC DIP-14 Package

Balun One Nine - Tiny Low-Cost 1:9 HF Antenna Balun Arduino UNO SMD compatible Board(Pack of 25) supporting both local LAN controlBalun One Nine Tiny Low Cost 1: 9 HF Antenna Balun The Balun One Nine is a compact 1: 9 impedance transformer balun specifically designed for HF antenna systems operating in the 3. 5 to 30 MHz frequency range. This tiny yet robust component is essential for amateur radio operators, shortwave enthusiasts, and professional RF engineers who need to match unbalanced coaxial feed lines to balanced long wire or dipole antennas while maintaining signal