Some examples of previous club projects:

 

2009 Crystal set contest  Photos

QRP Power Meter (Powerpoint™)
Microsoft Powerpoint slides for a simple QRP Power meter.
LM386 Audio Amplifier (Powerpoint™)
Microsoft Powerpoint slides for an LM386 based audio amplifier.

Simple Regenerative Receiver (Powerpoint™)
Microsoft Powerpoint slides for a simple Regenerative Receiver.

Square Wave Generator and Capacitance Bridge (html)
From October 2002 a square wave generator and capacitance bridge for finding out the value of unknown capacitors
80M Direct Conversion Receiver (PDF approx 5MB)
Scans of a project from 1991 for an 80m direct conversion receiver designed by Andrew G0AMS.