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| reprap:electronics:heatbed_mosfet [2017/09/17 12:26] – [How to Connect your Hotbed (and or extruder) to a Mosfet] maxemojo | reprap:electronics:heatbed_mosfet [2019/08/11 17:13] – [Apply a second Mosfet (for the extruder)] sjouke |
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| **IMPORTANT: I have seen people trying to (re-)sell these Mosfet units with a HUGE profit on EBAY while referring to this page for installation schematics, go shop around, they don't need to be more expensive than around €5 to €10 ($5 to $10) incl PP.** | **IMPORTANT: I have seen people trying to (re-)sell these Mosfet units with a HUGE profit on EBAY while referring to this page for installation schematics, go shop around, they don't need to be more expensive than around €5 to €10 ($5 to $10) incl PP.** |
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| [[http://www.banggood.com/10Pcs-Geekcreit-3D-Printer-General-Add-on-Heated-Bed-Power-Expansion-Module-For-Chitu-Motherboard-p-1135020.html?p=2322113070965201511G|Click here for an example of some prices]] | [[https://www.banggood.com/MOSFET-High-Power-Heated-Bed-Expansion-Power-Module-MOS-Tube-for-3D-Printer-Prusa-i3-Anet-A8A6-p-1356434.html?p=2322113070965201511G&custlinkid=456623|Click here for an example of some prices]] |
| ===== Why ===== | ===== Why ===== |
| The idea is pretty simple: The high current of the hotbed brings multiple problems to your mainboard. | The idea is pretty simple: The high current of the hotbed brings multiple problems to your mainboard. |
| {{:reprap:electronics:mosfet.jpg?200|}} {{:reprap:electronics:2pin-jst.jpg?200|}} {{:reprap:electronics:red-black-copper-wire-2x1-5-led-strip-monitor-power-cabl.jpg?200|}} | {{:reprap:electronics:mosfet.jpg?200|}} {{:reprap:electronics:2pin-jst.jpg?200|}} {{:reprap:electronics:red-black-copper-wire-2x1-5-led-strip-monitor-power-cabl.jpg?200|}} |
| Note: Some mosfets are sold with the signal wire, some without, check if you need to buy a separate one. | Note: Some mosfets are sold with the signal wire, some without, check if you need to buy a separate one. |
| [[https://www.aliexpress.com/item/3D-Printer-Parts-General-Add-on-Heated-Bed-Power-Expansion-Module-High-Power-Module-expansion-board/32765683570.html|General Add-on Heated Bed Power Expansion Module on aliexpress.com]] or this [[http://www.banggood.com/Heated-Bed-Power-Expansion-Module-Large-Power-For-3D-Printer-Chitu-Motherboard-p-1133861.html?p=2322113070965201511G|on banggood.com]] or [[http://www.ebay.de/itm/272414319250?_trksid=p2057872.m2749.l2649|on ebay.de]] | 3D-Printer-Parts-General-Add-on-Heated-Bed-Power-Expansion-Module-High-Power-Module-expansion-board[[https://www.banggood.com/MOSFET-High-Power-Heated-Bed-Expansion-Power-Module-MOS-Tube-for-3D-Printer-Prusa-i3-Anet-A8A6-p-1356434.html?p=2322113070965201511G&custlinkid=456623|on banggood.com]] |
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| Question: Can I use a mechanical relays too? | Question: Can I use a mechanical relays too? |
| ===== How to install ===== | ===== How to install ===== |
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| A special bracket to mount both PCB's you can find here https://www.thingiverse.com/thing:1857006 | A special bracket to mount your ANET mainboard and 1 mosfet unit, you can find here https://www.thingiverse.com/thing:1857006 |
| | {{ :reprap:anet:mosfetbracket.jpg?direct&400 |}} |
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| NOTE: More than one version of the ANET controlboard is being shipped from China, always check for + and - (polarity) on the boards. | NOTE: More than one version of the ANET controlboard is being shipped from China, always check for + and - (polarity) on the boards. |
| * RED = + (on psu marked as +V ) | * RED = + (on psu marked as +V ) |
| ==== Apply a second Mosfet (for the extruder) ==== | ==== Apply a second Mosfet (for the extruder) ==== |
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| If you decide you want to use a mosfet for your extruder as well, here is a schematic you might find usefull | Eventhough in my opinion it is not really necessary, you might want to decide you want to use a 2nd mosfet for your extruder as well, here is a schematic you might find usefull |
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| {{ :reprap:electronics:2mosfet.jpg ?600 |}} | {{ :reprap:electronics:2mosfet.jpg ?600 |}} |