Garbage Disposal Relay

2 years ago 911
  • Description
  • Documents
  • BOM
  • Attachments
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Description

Quick-and-dirty little circuit to switch a garbage disposal from a low-voltage momentary button. PCB fits into junction box. For supporting files, refer to https://github.com/gutschke/garbagedisposal

I couldn't find all the parts that I wanted from LCSC. For now, I linked to DigiKey parts. If you have suggestions for suitable substitute parts from LCSC, please let me know.

I made reasonable accomodations for the 1HP motor that I happen to use. If your motor has different in-rush or stall currents, you might have to add by-pass wires for the high-current paths on the PCB. I also recommend that you order 2oz copper boards. Use your best judgement and don't just blindly trust me. I disclaim all warranty.

Documents

Sheet_1

PCB

BOM

ID Name Designator Footprint Quantity Manufacturer Part Supplier Supplier Part Mounted
1 RAC01-05SC ACDC1 RAC04-XXSC/277 1 Recom Power Digi-Key 945-1064-ND Yes
2 MOV 180V R1 PS-RES-12.5*5.3 1 MOV-14D471KTR Digi-Key MOV-14D471KTRCT-ND Yes
3 NCE8580 Q1 TO-220(TO-220-3) 1 HUF76423P3 Digi-Key HUF76423P3FS-ND Yes
4 1.5KE440CA D1 DO-201AD-DOB 1 1.5KE6.8CA Digi-Key 1.5KE6.8CALFCT-ND Yes
5 1N4004 D3 DO-41 1 1N4004-TP Digi-Key 1N4004-TPMSCT-ND Yes
6 10KΩ R2,R3 AXIAL-0.4 2 CFR-25JB-52-10K Digi-Key 10KQBK-ND Yes
7 ATTINY45-20PU U1 DIP-8 1 ATTINY45-20PU Digi-Key ATTINY45-20PU-ND Yes
8 Fuse 2A 20T 250VAC F1 FUSE_HOLDER_CQ-2 1 696103201002 Digi-Key 732-11372-ND Yes
9 1.5KE440CA D2 DO-201AD-DOB 1 1.5KE220CA-TP Digi-Key 1.5KE220CA-TPMSCT-ND Yes
10 120V L P1 HDR-1X1/2.54 1 1-825433-6 Digi-Key A122771-ND Yes
11 120V N P2 HDR-1X1/2.54 1 1-825433-6 Digi-Key A122771-ND Yes
12 Vcc 5V P3 HDR-1X1/2.54 1 1-825433-6 Digi-Key A122771-ND Yes
13 Vout L P4 HDR-1X1/2.54 1 1-825433-6 Digi-Key A122771-ND Yes
14 120 Vout N P5 HDR-1X1/2.54 1 1-825433-6 Digi-Key A122771-ND Yes
15 GND P6 HDR-1X1/2.54 1 1-825433-6 Digi-Key A122771-ND Yes
16 Button P7 HDR-1X1/2.54 1 1-825433-6 Digi-Key A122771-ND Yes
17 LED P8 HDR-1X1/2.54 1 1-825433-6 Digi-Key A122771-ND Yes
18 10KΩ R4 AXIAL-0.3 1 CFR-25JB-52-10K Digi-Key 10KQBK-ND Yes
19 1u C1 CAP-D3.0XF1.5 1 TAP105K050SCS Digi-Key 478-1836-ND Yes
20 SRD-05VDC-SL-C RELAY1 T9GV1L14-5 TE CONNECTIVITY POTTER & BRUMFIELD RELAY 1 T9GV1L14-5 Digi-Key PB2362-ND Yes

Attachments

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garbagedisposal.ino
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