Four methods of to recharge the silica beads were attempted:
Assembly of the drying vessel:
From the left end:
1. A mess screen was wrapped around a PVC pipe cap that had holes drilled through the end
2. The humidity controlled outlet sensor and the Wifi remote temperature/humidity sensor were inserted into the pipe and sealed with the end cap that included the dry air tubing to the engine
From the right end:
1. The resistor heater assembly was inserted and the wires attached using wire nuts (wire nuts prevent scouring pad from contacting wires)
2. The vessel was filled to the top of the resistor heater assembly with silica beads
3. A stainless steel scouring pad was inserted
4. The end cap that included the two incoming air source tubes (with bubblers installed on the inside)
Assembly of the enclosure:
Parts List:
| Supplier | Description | QTY | Unit | Total |
|---|---|---|---|---|
| Ebay | Prepaid T-Mobile TMOHS1 1TB *1000GB* Portable WiFi Hotspot Device | 1 | $48.99 | $48.99 |
| Amazon | Kasa Smart Plug HS103P2 | 1 | $11.59 | $11.59 |
| Amazon | HITOP 6W Silent Aquarium Air Pump | 1 | $23.97 | $23.97 |
| Amazon | Inkbird Humidity Controller IHC200 | 1 | $32.79 | $32.79 |
| Amazon | Dry & Dry Blue Indicating Silica Gel Beads Desiccants | 1 | $33.99 | $33.99 |
| Digikey | 390 ohm 10W resistors | 6 | $0.83 | $4.98 |
| Amazon | X-Sense Wi-Fi Hygrometer Indoor Humidity, Smart Hygrometer Thermometer with Remote Monitoring & App Control, Wi-Fi Temperature Sensor for Room Temperature Monitoring, Humidor, Greenhouse, Model STH54 | 1 | $38.99 | $38.99 |
| Amazon | uxcell 10pcs NC KSD301 Thermostat 60-150°C(140-302°F) Temperature Thermal Control Switch 60 70 80 90 100 110 120 130 140 150°C Normally Close Assortment Kit | 1 | $12.99 | $12.99 |
| Electricsolenoidvalves.com | 1/4" 110V AC Stainless Electric Solenoid Valve (P/N: SS-3J-110VAC) | 1 | $33.50 | $33.50 |
| Amazon | Tailonz Pneumatric Blue 6mm OD 4mm ID Polyurethane PU Air Hose Pipe Tube Kit | 1 | $14.99 | $14.99 |
| Home Depot | 2" PVC Tube | 0 | $17.74 | $5.85 |
| Home Depot | 2" PVC Socket Schedule 40 Pressure Cap | 3 | $2.59 | $7.77 |
| Home Depot | 2" PVC Tube Strap | 2 | $1.39 | $2.78 |
| Home Depot | 1-1/2 in. PVC Socket Schedule 40 Pressure Cap | 1 | $1.65 | $1.65 |
| Ace Hardware | Large rubber washer (2 3/8" x 1 1/2 x 1/8") | 2 | $1.99 | $3.98 |
| Ace Hardware | 1/4" x 1/4" Stainless screw | 4 | $0.59 | $2.36 |
| Ace Hardware | 1/4" Stainless nut | 4 | $0.30 | $1.20 |
| Home Depot | 12 ft. 16/2 Medium Duty Indoor/Outdoor Extension Cord | 1 | $10.89 | $10.89 |
| Amazon | 2 ft. Outlet Strip | 1 | $7.71 | $7.71 |
| Home Depot | LeMotech ABS Plastic Waterproof IP65 Junction Box Project Enclosure White 11.8 x 9.8 x 4.7 inch | 1 | $25.99 | $25.99 |
| Ace Hardware | Mesh Screen | 1 | $4.99 | $4.99 |
| Ace Hardware | Handle | 1 | $1.52 | $1.52 |
| TOTAL | $333.47 |
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