Item #,Designator,Qty,Manufacturer,Mfg Part #,Description / Value,Package / Footprint,Type,Notes 1,U1,1,Espressif,ESP32-WROOM-32E-N8,"Wi-Fi + Bluetooth module, 8 MB flash, PCB antenna",ESP32-WROOM-32E,SMD, 2,U2,1,WCH,CH340C,"USB to UART bridge, SOIC-16",SOIC-16_3.9x9.9mm_P1.27mm,SMD, 3,U3,1,Diodes Incorporated,AP7361C-33E-13,"LDO regulator 3.3 V 1 A, low dropout, SOT-223 (pin 1 IN, 2 GND/tab, 3 OUT)",SOT-223-3_TabPin2,SMD,"Not an AMS1117: the pinout differs, no substitutes" 4,U5,1,STMicroelectronics,USBLC6-2SC6,"USB ESD protection, 2 lines, SOT-23-6",SOT-23-6,SMD, 5,U4,1,Texas Instruments,SN74AHCT1G125DBVR,"Single buffer, TTL-level input, SOT-23-5",SOT-23-5,SMD, 6,PS1,1,RECOM,R-78E5.0-1.0,"Switching regulator 5 V 1 A, SIP-3",Converter_DCDC_RECOM_R-78E-0.5_THT,Thru-Hole, 7,F1,1,Bourns,MF-MSMF250/16X-2,"PTC resettable fuse, 2.5 A hold, 5 A trip, 16 V, 1812",Fuse_1812_4532Metric,SMD, 8,J1,1,Same Sky (CUI Devices),PJ-063AH,"DC barrel jack, 2.0 mm pin, fits 5.5 x 2.1 mm plugs",BarrelJack_CUI_PJ-063AH_Horizontal,Thru-Hole, 9,J2,1,Korean Hroparts Elec,TYPE-C-31-M-12,"USB-C receptacle, USB 2.0, 16 pin",USB_C_Receptacle_HRO_TYPE-C-31-M-12,SMD, 10,"J3,J4",2,JST,B4B-XH-A(LF)(SN),"XH header, 4 pin, 2.5 mm pitch, vertical",JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical,Thru-Hole, 11,"J5,J6,J7",3,JST,B3B-XH-A(LF)(SN),"XH header, 3 pin, 2.5 mm pitch, vertical",JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical,Thru-Hole, 12,J8,1,Sullins,PRPC004SAAN-RC,"Male pin header 1 x 4, 2.54 mm pitch, vertical",PinHeader_1x04_P2.54mm_Vertical,Thru-Hole, 13,"A1,A2",4,Sullins,PPTC081LFBN-RC,"Female pin header 1 x 8, 2.54 mm pitch, 8.5 mm tall",Pololu_Breakout-16_15.2x20.3mm,Thru-Hole,2 headers per driver (4 total). Sockets only: the DRV8825 modules are supplied by me 14,"D1,D2",2,,SS34,"Schottky diode 40 V 3 A, SMA",D_SMA,SMD,Any brand 15,D3,1,,B5819W,"Schottky diode 40 V 1 A, SOD-123",D_SOD-123,SMD,Any brand 16,"D6,D7",2,,BAT54WS,"Schottky diode 30 V 0.2 A, SOD-323",D_SOD-323,SMD,Any brand 17,D4,1,,,"LED green, 0603",LED_0603_1608Metric,SMD,Any brand 18,D5,1,,,"LED blue, 0603",LED_0603_1608Metric,SMD,Any brand 19,"Q1,Q2",2,onsemi,MMBT3904LT1G,"NPN transistor 40 V 200 mA, SOT-23",SOT-23,SMD,Any MMBT3904 ok 20,"SW1,SW2",2,Omron,B3U-1000P,"Tactile switch, SMD, 3 x 2.5 mm",SW_SPST_B3U-1000P,SMD, 21,"C1,C2",2,Panasonic,EEE-FK1V101GP,"Aluminium electrolytic capacitor 100 uF 35 V, SMD 8 x 10.2 mm",CP_Elec_8x10,SMD, 22,"C3,C4",2,,,"Ceramic capacitor 10 uF 25 V X5R, 1206",C_1206_3216Metric,SMD,Any brand 23,"C16,C17",2,,,"Ceramic capacitor 10 uF 50 V X7R, 1206",C_1206_3216Metric,SMD,Any brand 24,"C5,C9",2,,,"Ceramic capacitor 10 uF 16 V X5R, 0805",C_0805_2012Metric,SMD,Any brand 25,C6,1,,,"Ceramic capacitor 22 uF 10 V X5R, 0805",C_0805_2012Metric,SMD,Any brand 26,"C7,C10,C13,C14,C15",5,,,"Ceramic capacitor 100 nF 50 V X7R, 0603",C_0603_1608Metric,SMD,Any brand 27,C8,1,,,"Ceramic capacitor 1 uF 16 V X7R, 0603",C_0603_1608Metric,SMD,Any brand 28,"R1,R2",2,,,"Resistor 5.1 k 1%, 0603",R_0603_1608Metric,SMD,Any brand 29,"R3,R4,R5,R6,R8,R9,R11",7,,,"Resistor 10 k 1%, 0603",R_0603_1608Metric,SMD,Any brand 30,"R10,R12,R14,R15",4,,,"Resistor 1 k 1%, 0603",R_0603_1608Metric,SMD,Any brand 31,R13,1,,,"Resistor 330 1%, 0603",R_0603_1608Metric,SMD,Any brand