Automatic Moisiture Sponge for Soldering Iron

thingiverse

<h1>Automatic Moisture Sponge for Soldering Iron</h1> Automatic system to moisten a sponge for cleaning soldering iron tips. The system has an automated mode and manual enabling feature. <b><I>Still under testing!</i></b> <b>I'm thinking that this device is useless after couple weeks of testing, but I love making it just for the sake of testing.</b> <b>Information</b> [Demonstration](https://youtu.be/oo4phAcBv2w) [Schematic](https://easyeda.com/Atiesh/automatic-moisiture-sponge-for-soldering-iron) [Atmega 328p Firmware](https://easyeda.com/attachments/2019/6/DLi7sMe3KSBjlwjOZGWlTCrwEDVZbLeGOFcaUvNg.txt) <b>Parts:</b> 1x - [LM317 Adjustable Voltage Regulator Power Supply DC-DC](https://www.aliexpress.com/item/32800530332.html?spm=a2g0s.9042311.0.0.3da24c4dN2BJUW) 1x - [Electromagnetic Buzzer 5V](https://www.aliexpress.com/item/635190995.html?spm=a2g0s.9042311.0.0.3da24c4dN2BJUW) 1x - [KCD11 Perforate 2-pin ON-OFF Switch](https://www.aliexpress.com/item/32879787231.html?spm=a2g0s.9042311.0.0.3da24c4dN2BJUW) 4x - [13 x 10 x 10 mm Rubber Chair Feet Pads](https://www.aliexpress.com/item/32799146555.html?spm=a2g0s.9042311.0.0.27424c4dAzY44L) 1x - [5.5 x 2.1mm DC Power Supply Jack Socket](https://www.aliexpress.com/item/32810546285.html?spm=a2g0s.9042311.0.0.27424c4d9y32Mh) 1x - [28BYJ-48 DC 5V Reduction Step Motor with ULN2003 Module](https://www.aliexpress.com/w/wholesale-28BYJ%25252d48.html?spm=2114.search0104.0.0.4c491e1aQYbI8u&initiative_id=SB_20190606040526&site=glo&groupsort=1&SortType=total_tranpro_desc&g=y&SearchText=28BYJ-48) 1x - [Arduino Pro Mini 3.3V](https://www.aliexpress.com/item/32800530332.html?spm=a2g0s.9042311.0.0.3da24c4dN2BJUW) (powered by LM317 to 5V) 1x - [Momentary Button DS-402](https://ru.aliexpress.com/wholesale?catId=0&initiative_id=SB_20190606065553&SearchText=DS-402) <b>Other:</b> - Bottle 44x100 (or other sizes that you want by modifying the bottle stand) - Screws and Nuts - M3, M2 - Silicone tube - for peristatic pump (OD = 4mm, ID = 2mm) - Plastic tube from some sprays - to make angled water flow from pump to sponge and inject into bottom bottle - Led 5mm Red and Green with holders WARNING! - I use Arduino Pro mini at 3.3v but power it up through LM317 to 5V. - There is a problem of slipping the silicone tube with a plastic tube that is glued into a bottle of water, due to the movement of the pump. <i>Cake and grief counseling will be available at the conclusion of the test</i>