BEYOND THE BREADBOARD

From circuit to creation.

Five projects from the original archive, with their surviving photographs and circuit diagrams.

PRJNEW001

Projects

An in-circuit programming interface for legacy ST PSD and uPSD devices.

Original schematic↗

PRJNEW002

Projects

A tracked robot combining ATmega8 control, an L298 motor driver, and an RFM12 radio link.

Original schematic↗

PRJSUB001

Projects

A two-transistor astable circuit that lights two LEDs in turn.

Original schematic↗

PRJSUB002

Projects

An archived light-sensitive LED circuit with a non-isolated mains supply.

Review required↗

PRJSUB003

Projects

Two similar common-emitter stages for raising a weak receiver input.

Original schematic↗