eBits Academy

Understand it. Build on it.

Understand the links, choose suitable parts and build with LoRa, Meshtastic, Reticulum and the electronics behind them.

Explore more electronics

More projects, explanations and ideas from the eBits Academy.

RF mixers: how a receiver moves a signal to another frequency

A radio mixer is not an audio mixing desk. It is a frequency-conversion circuit. By combining an incoming signal with a local oscillator,...

Read the guide

RF amplifiers: why an LNA and a PA solve different problems

“Add an amplifier” sounds like a simple way to improve a radio link. In practice, you must first identify which end of the...

Read the guide

Can transmitting without an antenna damage your radio?

Yes, it can, but “powered on” and “transmitting” are different states. The main concern is a transmitter delivering RF power into a load...

Read the guide