7 Decade 1R - 9999999R Programmable SMD Resistor with Voltage Isolation Board Voltage Control Switching Driver Module

colour: green
Material: PCB
Resistor Board:
This is the "resistor replacement box", a low cost alternative solution, you can set flexible and fast resistor between 1R and 9999999R, 1R step precision. For educational experiments, electronic engineering design or test clipping are great applications.
Design based on the resistor series theorem.
1/2 watt tolerance +/- 1% SMD resistors.
High quality FR4 fiberglass PCB.
Maximum operating voltage: 200V
size: 90 x 35 x 10mm
817 Optocoupler 4 Channel Voltage Isolation Board:
Size:48x42x38mm

Package Contents:
1 x 817 Optocoupler 4 Channel Voltage Isolation Board
1 x Resistor Board

Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.