40 lines
7.1 KiB
CSV
40 lines
7.1 KiB
CSV
Reference,Component,Value,Qty,Package,AliExpress Search/Link,AliExpress Price Est.,DigiKey Part Number,DigiKey Price Est.,Purchase,Notes
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ESP32-WROOM1,ESP32-WROOM-32 DevKit,ESP32-C3-DevKitM-1,1,Module,"ESP32 WROOM 32 development board 30 pin",~$4.00,N/A (use Adafruit/SparkFun),,SKIP - user sources separately,Pinout-specific module sourced from special supplier. Do not order.
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A4988,A4988 Stepper Motor Driver,Pololu_Breakout_A4988,1,Module,"A4988 stepper motor driver module heatsink",~$2.00,Pololu #1182,~$5.95,"AliExpress 5-pack: https://www.aliexpress.com/wholesale?SearchText=A4988+stepper+driver+5pcs (~$5-8 for 5pcs with heatsinks)",Get the 5-pack from any AliExpress seller; quality varies but functional. Heatsinks included.
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U1,TPS61088 Boost Converter IC,TPS61088RHLR,1,VQFN-20 4.5x3.5mm (RHL),"TPS61088RHLR QFN20",~$2.28/ea (3pcs min ~$6.84),296-40481-1-ND,~$3.89,"LCSC C87357: https://www.lcsc.com/product-detail/DC-DC-Converters_TI_TPS61088RHLR_TPS61088RHLR_C87357.html (~$0.61/ea, 14k in stock)",PACKAGE CORRECTION: TPS61088 RHL is 4.5x3.5mm not 3.5x3.5mm. PCB silkscreen says TPS61088QRHLRQ1 (auto Q1) but non-Q1 TPS61088RHLR is drop-in substitute with identical pinout - use the cheaper non-Q1. Pinout verified: pins 1/3/4/5/6/7/8/9/11/12/15 = VIN/EN/SS-TR/COMP/FB/AGND/PGOOD/VOUT/BST/SW/PGND.
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R1,Resistor 0805 1%,10K,1,0805,"0805 resistor 10K 1%",~$1.50/100pcs,RC0805FR-0710KL,~$0.10,"COMBO: 0805 E96 1% resistor sample book (170 values x 25pcs, ~$25 covers R1+R2+R3+R4+R5 and lifetime supply)",Use combo kit - see Notes section below.
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R2,Resistor 0805 1%,10K,1,0805,"0805 resistor 10K 1%",~$1.50/100pcs,RC0805FR-0710KL,~$0.10,COVERED BY RESISTOR KIT,Use the 0805 E96 sample book.
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R5,Resistor 0805 1%,10K,1,0805,"0805 resistor 10K 1%",~$1.50/100pcs,RC0805FR-0710KL,~$0.10,COVERED BY RESISTOR KIT,Use the 0805 E96 sample book.
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R3,Resistor 0805 1% (feedback divider),30.1K,1,0805,"0805 resistor 30.1K 1% SMD",~$1.50/100pcs,RC0805FR-0730K1L,~$0.10,"COVERED BY 170-value E96 kit (30.1K is E96 standard value)",E96 standard - in any decent E96 kit like Amazon B09Z2RDW2F. If buying singles: LCSC.
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R4,Resistor 0805 1% (feedback divider),190K,1,0805,"0805 resistor 190K 1% SMD",~$1.50/100pcs,RC0805FR-07190KL,~$0.10,"COVERED BY 170-value E96 kit (190K is E96 standard value)",E96 standard - in any decent E96 kit. Critical to feedback divider - must be 1%.
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C8,Capacitor 0805 C0G/NP0 50V,47pF,1,0805,"0805 47pF capacitor C0G",~$1.00/100pcs,Standard YAGEO/Samsung,~$0.10,"COMBO: 0805 SMD ceramic capacitor kit covering 22nF/47pF/100nF (e.g. AliExpress 0603/0805/1206 50V 22p-22uF kit, ~$5)",Use combo cap kit - C0G preferred but X7R acceptable at this value.
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C9,Capacitor 0805 X7R 50V,100nF,1,0805,"0805 100nF 0.1uF capacitor",~$1.00/100pcs,Standard YAGEO/Samsung,~$0.10,COVERED BY CAPACITOR KIT,Universal decoupling value - included in every cap kit.
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C6,Capacitor 0805 X7R 50V,22nF,1,0805,"0805 22nF capacitor X7R",~$1.00/100pcs,Standard YAGEO/Samsung,~$0.10,COVERED BY CAPACITOR KIT,Compensation cap - tolerance not critical.
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C4,Capacitor 1206 X5R 25V,22uF,1,1206,"1206 SMD capacitor 22uF 25V",~$2.50/100pcs,GRM31CR61E226KE15L,~$0.50,"AliExpress 50-pack CL31A226KAHNNNE: https://www.aliexpress.com/item/32751090379.html (~$8/50pcs) - one order covers C4/C5/C10/C11",Samsung CL31A226KAHNNNE is direct equivalent to Murata GRM31CR61E226KE15L. Must be 25V+ (12V output bus).
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C5,Capacitor 1206 X5R 25V,22uF,1,1206,"1206 SMD capacitor 22uF 25V",~$2.50/100pcs,GRM31CR61E226KE15L,~$0.50,COVERED BY 50-PACK ABOVE,Same as C4 - one 50-pack covers all four positions.
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C10,Capacitor 1206 X5R 25V,22uF,1,1206,"1206 SMD capacitor 22uF 25V",~$2.50/100pcs,GRM31CR61E226KE15L,~$0.50,COVERED BY 50-PACK ABOVE,Same as C4.
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C11,Capacitor 1206 X5R 25V,22uF,1,1206,"1206 SMD capacitor 22uF 25V",~$2.50/100pcs,GRM31CR61E226KE15L,~$0.50,COVERED BY 50-PACK ABOVE,Same as C4.
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C3,Capacitor SMD Electrolytic 25V,100uF,1,6.3x5.8mm,"100uF 25V SMD aluminum electrolytic capacitor 6.3mm",~$1.30/20pcs,Standard Nichicon/Panasonic,~$0.50,"AliExpress 10-pack: search '100uF 25V SMD 6.3x5.8mm' (~$2-3 for 10pcs). LCSC: Lelon VEJ101M1EQRJ ~$0.15/ea",Verify pad layout matches KiCad footprint (CP_Elec_6.3x5.8). Cheaper SMD electrolytics from JAMICON/Lelon are fine.
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L1,Power Inductor Shielded SMD,2.2uH,1,12.6x12.6mm,"SRP1265 2.2uH inductor",~$3.00,SRP1265A-2R2M (Bourns),~$2-3,"BEST: LCSC TDK SPM10065VT-2R2M-D C1015860 (10.5x10mm, 16.6A, ~$1.50). Alt: DigiKey Bourns SRP1265A-2R2M (12.6x12.6mm, 22A, ~$3)",CRITICAL - must handle >=10A continuous. TDK SPM10065 is smaller and cheaper than Bourns SRP1265 - verify your KiCad footprint matches the chosen part's pad pattern BEFORE ordering. Avoid no-name AliExpress inductors - saturation current is often misrated.
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SW1,JST EH 3-pin Header,B3B-EH-A,1,Through-hole,"JST EH 3 pin connector 2.5mm header",~$1.00/10pcs,B3B-EH-A(LF)(SN),~$0.13,"AliExpress JST-EH 2.5mm 3-pin kit with housing+crimps (50-set ~$4-6, search 'JST-EH 2.5mm 3-pin housing crimp')",Make sure to get matching female housings and crimp terminals - not just the PCB header. EH series specifically (NOT XH or PH).
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MotorPower1,Screw Terminal 3-pin 5mm pitch,KF301-5.0-3P,1,Through-hole,"KF301 3 pin 5mm screw terminal PCB",~$0.50-1.00,Standard part,~$0.50-1.00,"AliExpress 10-pack: https://www.aliexpress.com/item/32842003333.html (~$0.70/10pcs)",Generic Chinese part - any KF301-5.0-3P seller works.
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StepperConnection1,JST XH 4-pin Header,B4B-XH-A,1,Through-hole,"JST XH 4 pin 2.54mm connector header",~$1.00/20pcs,B4B-XH-A(LF)(SN),~$0.15,"COMBO: AliExpress JST-XH 2.54mm full kit (560pcs 2/3/4/5/6-pin housing+crimps+headers, ~$8-12) - massive overkill but covers all future projects",Search 'JST-XH 2.54mm connector kit 560pcs'. Brand names: Taiss, GTIWUNG, HALJIA all sell equivalent kits.
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SUMMARY,,,,,,,,,,
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COMBO PACK RECOMMENDATIONS:,,,,,,,,,,
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"1. 0805 E96 1% Resistor Sample Book (170 values x 25pcs)",,,,,,,,,~$15-25,Covers R1/R2/R3/R4/R5 + every future project. Must be E96 (1%) to include 30.1K and 190K.
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"2. 0805 SMD Ceramic Capacitor Kit (50V, 22pF-22uF range)",,,,,,,,,~$5-15,Covers C6/C8/C9 (22nF/47pF/100nF). Make sure kit includes those specific values.
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"3. 1206 22uF 25V X5R 50-pack",,,,,,,,,~$8,Covers C4/C5/C10/C11.
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"4. JST-XH 2.54mm Connector Kit (multi-pin)",,,,,,,,,~$8-12,Covers StepperConnection1 (4-pin) + future projects.
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"5. JST-EH 2.5mm 3-pin Kit (housing+crimps+header)",,,,,,,,,~$4-6,Covers SW1. Make sure it's EH series specifically.
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SINGLE-PART KEY ITEMS:,,,,,,,,,,
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"U1 TPS61088RHLR - LCSC C87357",,,,,,,,,~$0.61,The non-Q1 variant is drop-in substitute for TPS61088QRHLRQ1 on PCB silkscreen. Same RHL package same pinout.
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"L1 TDK SPM10065VT-2R2M-D - LCSC C1015860",,,,,,,,,~$1.50,VERIFY footprint match before ordering - SPM10065 (10.5x10mm) vs original Bourns SRP1265 (12.6x12.6mm).
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"C3 100uF 25V SMD electrolytic - any 6.3x5.8mm 10-pack",,,,,,,,,~$2-3,Verify pad layout matches your KiCad footprint.
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"A4988 5-pack with heatsinks - AliExpress",,,,,,,,,~$5-8,Generic functional drivers.
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"KF301-5.0-3P 10-pack - AliExpress",,,,,,,,,~$0.70,Generic part.
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TOTAL ESTIMATED COST:,,,,,,,,,~$50-80,One-time setup with combo kits. ~$10 in actually-used parts per board. ESP32 module sourced separately by user.
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