FK823 DC PWM Motor Speed control with variable Frequency. For 12- 50 Volt DC input, 5 Amp max output. Availble as a kit or Factory Assembled Great for hand held switching throttles See detailed description for current availability!!

Kit makes a Charging circuit to charge Lithium type batteries used in cell phone and cameras. Click "More Info" for options and details

Kit makes a 12 volts to 24 volt DC Voltage Booster 3 amp. Includes settings for 15, 16, 20, 22 & 24 Volts DC. Click "More Info" for options and details

Kit makes a 6-9-12 volt 50ma DC Power Regulator.

Kit makes a 1.5-30 volt 1 amp Variable DC Power Regulator.

Kit makes a Nicad Charging System complete with step down Transformer

Kit makes a very useful emergency light in case of a power failure.

Kit makes a 6-9-12 Volt Regulated Power Supply, complete with step down Transformer

Kit makes a 0-50 volt 3 amp Variable DC Power Regulator. Super Sale Item 40% off for a limited time!

Kit makes a DC Step Down voltage coverter from 12-15 volts to 6 or 9 volts DC