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Solar system:  Small unit ; (with pump and controller)                                                                                                     $1300

                            Medium unit:    54 tubes including controller and pump and stands                                               $3100

                           Large system:    90 tubes including controller and pump and stands                                               $4900

Sensors: 5 mm sensor, 3 wire, 24 VDC input, proximity switch                                                                                     $9.50

                 8 mm                                                                                                                                                                                    $11.50

                12 mm                                                                                                                                                                                  $12.50

Chairs: very high quality message chairs at a reduced price                                                                                           $4100

Power supply: Especially designed to be soldered to board, good for PIC type projects                                   $11.50

                                                Input 100-240 VAC                                                                                              

                                                Outputs: 5 VDC 300mA

                                                                  12 VDC 200mA

Stepper motors drives: 3 types ranging in output from 4 Amp to 12 Amp, input 40 VDC some                       $80.00

                                                Models take 220 AC                                                                                                                        $140.00

Price : $600

Sun tracker and positioner actuators. Two axis can be controlled. Great for solar experiments or simply for control applications. Can attach 1.5 meter diam dish on them. Two large 24/36 VDC motors, with feed back to control rotation/travel. We can provide control module if needed.