Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Does anyone know how to make the electromagnet attract object from further distance ?
im trying to make the electromagnet attract the object 3cm from the surface. At the moment my electromagnet can only attract at distance of 0.5 cm from the surface.
Please give me ideas thanks. really...
Ok...we will try winding it with different magnet wires...another thing is...
Do i need a 'snubber' to avoid the voltage spike due to the inductance when switch off for my DC power electromagnet ?
Im thinking to connect a relay to perform on off of the electromagnet....Is this ok ?
This is...
Will it makes the battery weaker if the electromagnet switched on for couple of minutes ?....the coin need to be lift up from one point to the other....plus there are some circuits associated in the robot and 5V DC battery is the only main supply.
Hi im new in this forum and im about to design an electromagnet to pick up coins. As i know the coil will gets hot when current flows.
The battery that will be use is 4x1.5V size AA.
My question is,
- Do i need a current limiting circuit to avoid the coil from getting hot ?
- What...
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