DIY Lithium-Ion Solar Charger for 2-Cell Batteries

Harnessing solar power to charge lithium-ion batteries is not only energy-efficient but also an eco-conscious…

In-depth review of the LILYGO T-Embed ESP32-S3 SI4732 multiband DSP radio covering hardware architecture, reception…

News SDR

HydraSDR RFOne offers strong RF hardware but faces driver maturity and software compatibility limits —…

This blog post dives into a detailed DIY IRF510 AM transmitter circuit using the IRF510…

Circuits DIY Tools

The circuit Incandescent Lamp Flasher is built around two FETs, which are configured as simple…

If your receiver needs a higher level of signal across the entire matching network, this…

If you're working with RF circuits and need to improve signal reception or create a…

Tired of static on your AM or shortwave radio? Do you struggle to hear distant…

Circuits DIY Tools

This crystal tester method lets you confirm a crystal's "active" status by comparing its output…

Simple 80 m CW transmitter using a 3.58 MHz ceramic resonator for frequency stability and…