Below are the available bulk discount rates for each individual item when you purchase a certain amount
Sense and Control - Programmable Logic Controller
Use the KELVIN® If...Then PLC Controller to learn more about the elements of condition programming. Also, use it to control a model of your design such as a greenhouse, light show, house alarm, doll house automation, etc. The If...Then programming is written in simple logic for quick learning.
The If...Then assembled controller includes a light sensor, switch sensor, buzzer, light bulb, motor and wall adapter. RS232. (The greenhouse kit, batteries, battery holder and linear actuator motor shown are sold separately - see below). Grades 6 and up.