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Day archives: January 7th, 2022

Circuits – White LED Torch

           This low-cost circuit is suitable for powering flashlights, emergency lighting and other applications in which it is desirable to power white LEDs from one or two primary cell batteries. The transistor, lk resistor [Rll and the tapped inductor form a blocking oscillator. When the power button is pressed, the transistor …

WebSDR HF – GRMS BENGALURU

bangalore websdr radio

WebSDR Location – Bengaluru, India | http://106.51.131.254:8073/   Windows: Firefox, Chrome & Edge work; IE does not work. Mac & Linux: Safari, Firefox, Chrome & Opera should work fine. Open and close the panels by using the circled arrows at the top right corner. You can click and/or drag almost anywhere on the page to …

Video – Reception test of my ubitx v3 with nextion 2.8 inch screen

ubitx3 with nextion screen Reception test of my ubitx v3 multiband SSB Transceiver with Nextion 2.8 inch touch screen. Barbaros WB2CBA  has modified his stock µBITx v6  kit to use the Nextion 2.8″ TFT LCD display.To help his fellow Ubitx V6 owners who want to use a nextion display in their rig, Barbaros has provided …

Video – GEK 2X SSB Transceiver receiving BCDXNET

The GEK 2x SSB Transceiver is a Mid range high performance Low-noise, low cost SSB HF transceiver. The local oscillator is stable DDS VFO and DDS BFO/Carriers oscillator. The Power amplifier is designed as a push-pull Mitsubishi the latest generation of 12V-30MHz Silicon MOSFET Power Transistor. The RD06HHF1 is used in the pre driver and …