Tom Petruzzellis
Telephone Projects for the Evil Genius
Softcover
Instructions and diagrams for 40 amazing projects, ranging from a device that transmits both sides of a phone call to an FM radio, to a way of controlling your home’s lights and air conditioners via phone.
Mem. Ed. $13.99
Pub. Ed. $24.95
You pay $1.00
Electronic Sensors for the Evil Genius
Softcover
The 54 projects in this volume allow you to construct sensors to probe and monitor a full range of natural phenomena—from atomic radiation levels to barometric pressure to tectonic plate movement.
Mem. Ed. $17.99
Pub. Ed. $24.95
You pay $1.00
