DIY Continuity Checker Soldering Practice Kit with Assembly Manual the large pulley demonstration is

the large pulley demonstration is designed to teach the concepts of force and mechanical equilibrium as they relate to pulley arrangements

Normally Hi and normally Lo levels both available

An audible continuity sensor confirms that the circuit conducts electricity

Demonstration video

One side of the pads contains multiple grooves designed for flat surfaces

DIY Continuity Checker Soldering Practice Kit with Assembly Manual the large pulley demonstration isThe Electronix Express Continuity Checker is a soldering kit that is compact, lightweight and easily portable. Electronic technicians, students, and hobbyist can make practical use of this continuity checker in testing points on circuit boards and prototype circuits. A feature of the continuity checker is its audible buzzer that shows when connection is made. The soldering kit contains all component parts and can be assembled by beginner and