This is "resistance substitution box" good low-cost alternative solution, can flexible and quick setting resistance range from 1R to 9999999R, step accuracy 1R. For educational experiments, electronic engineering design or test trimming are excellent applications.

Specifications:

Product Name: Programmable Resistance Board

Programmable Resistance: 0 to 9,999,999 ohm, 1 ohm per step.

Resistance Tolerance: +/-1%

Rated Power: 1/2 Watt.

Max. Working Voltage: 200V.

Features:

1. Design based on "resistors series" theorem.

2. 1/2 watt tolerance +/-1% SMD resistors.

3. High quality FR4 glass fiber PCB.

4. With spare parts 7 pieces jumper caps

Package Includes:

5 x 1R-9999999R Seven Decade Programmable Resistance Board