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Preparing Your Own Thin Layer Chromatography Plates (and Then Using Them)
Does it still show up 45 mins late and drunk? Need that for authenticity... Great project man. Now I wanna hear it play "Holy Wars... The Punishment Due"
Geodesic Cedar Greenhouse
The circuit as drawn is a darkness sensor. Swap the position of the 50kohm resistor and LDR and it should light the led when it detects light.
Understanding 3D Scanning
Tools and Materials for 3D Scanning
3D Scanning Class
It certainly can. The only problem is fuel availibility. It is tough to source. That being said you are probably thinking of making hydrogen from water, an inefficient proposal.Electrolysis of water its more like a battery than a source. It is a great way to store energy, but only if you can find an efficient method of converting it back to water.If you had other ideas, i apologize, please share! If im correct, start looking at fuel cells.
Master-Slave Current SensorView Instructable »
Cheap Sensors: RPR220
Here i just mad an instructable about it https://www.instructables.com/id/Two-Relay-DC-Motor-Control-Simple-H-bridge/
Two Relay DC Motor Control ...View Instructable »
Why dont you just use 2 spdt relays. Connect each lead of the motor to the common pin. Connect the 2 nc pins to ground, and connect the 2 no pins to Vcc. That way you just energize one for clockwise and the other for counter-clockwise. Benifits are it's simpler, uses less parts and is impossible to short circuit.
Tools and Materials for Arduino
Welcome to Arduino
Just over 500 lbs. Provided this is fully submerged...
How to Make a Three Axis CNC Machine (Cheaply and Easily)
Converting a generator to run on propane