ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part _Price LCSC Assembly 1 4.7K R 5 R0603 1 2 1k "R6,R9,R8,R16,R19,R13,R22,R23,R24,R25" R0603 10 3 2.4K R 10 R0603 1 4 100K "R7,R4,R14,R26,R27,R18,R3" R0603 7 LCSC C100048 $0.003 5 3K3 R 11 R0603 1 6 2K2 "R12,R17" R0603 2 29 10K "R21,R20" R0603 2 30 51E "R1,R2,R15" R0603 3 7 100uF C1 T1206 1 TLJA107M006R0800 AVX LCSC C27279 $0.290467 Yes 9 ESDA6V1-5W6_C87908 D3 SOT323 1 ESDA6V1-5W6 STMicroelectronics LCSC C87908 $0.1387 10 100nH L1 L0603 1 CS0603-R10J-S Chilisin LCSC C142168 $0.0487 12 MCP1700T-3002E/TT U6 SOT-23-3 1 MCP1700T-3002E/TT MICROCHIP LCSC C62244 $0.3163 Yes 14 SIM800C 24Mbit U1 SIM800C 1 SIM800C 24Mbit SIMCOM LCSC C69119 $3.686667 16 MC14066BDR2G U10 SOP-14_L8.6-W3.9-P1.27-LS6.0-BL 1 MC14066BDR2G ON LCSC C52828 $0.124091 Yes 17 10u "C2,C19,C15" C0603 3 18 22p "C16,C17,C18" C0603 3 19 100n C20 C0603 1 20 10n C21 C0603 1 21 33p C22 C0603 1 22 10p C23 C0603 1 23 AHT10 U2 AHT10 1 AHT10 LCSC C368909 24 4.7uF C13 T1206 1 TAJA475K016RNJ AVX LCSC C7187 $0.108914 Yes 25 PZ200V-11-04P H4 HDR-TH_4P-P2.00-V-M 1 PZ200V-11-04P XFCN LCSC C541858 $0.014238 26 22041031 U3 CONN-TH_3P-P2.54_22041031 1 22041031 MOLEX LCSC C293437 $0.0697 27 CH340G U8 SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL 1 CH340G WCH LCSC C14267 $0.42 Yes 28 11.0592MHz X2 HC-49S_L11.4-W4.8 1 X49SM110592MSD2SC YXC LCSC C2245 $0.09397 31 24LC512T-I/SN "U9,U5" SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 2 24LC512T-I/SN MICROCHIP LCSC C52088 $2.6349 Yes 32 DS1307ZN+ U11 SOP-8_L4.9-W3.9-P1.27-LS6.0-BL 1 DS1307ZN+ MAXIM LCSC C26858 $0.726667 Yes 33 PZ200V-11-06P H1 HDR-TH_6P-P2.00-V-M 1 PZ200V-11-06P XFCN LCSC C541860 $0.021357 34 PZ200V-11-03P H2 HDR-TH_3P-P2.00-V-M 1 PZ200V-11-03P XFCN LCSC C541857 $0.010563 35 15pF "C5,C9" C0603 2 36 33pF "C6,C10" C0603 2 37 10nF "C11,C8,C7" C0603 3 38 100nF "C12,C14,C3,C25,C24,C26,C4" C0603 7 39 AF 13.7 180degree Bend foot Have side iron PBT White plastic USB1 USB-A-TH_4P-L14.3-W6.7-V-F_AF13.7 1 AF 13.7 180degree Bend foot Have side iron PBT White plastic ValuePro LCSC C39456 $0.048917 40 PZ200V-11-02P H5 HDR-TH_2P-P2.00-V-M 1 PZ200V-11-02P XFCN LCSC C541856 $0.008803 41 12MHz X1 HC-49S_L11.4-W4.8 1 C12000J177 ZheJiang East Crystal Elec LCSC C259045 $0.0934 42 "BC817-25,215" Q2 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 "BC817-25,215" Nexperia LCSC C39828 $0.010873 Yes 43 32.768KHz X3 OSC-SMD_2P-L3.2-W1.5 1 CM315D32768DZFT CITIZEN LCSC C182057 $0.3252 44 LL4148-GS08 "D2,D1" SOD-80_L3.5-W1.5-RD 2 LL4148-GS08 VISHAY LCSC C68883 $0.011488 45 PIC18F25K22-I/SO U7 SOIC-28_L17.9-W7.5-P1.27-LS10.3-BL 1 PIC18F25K22-I/SO MICROCHIP LCSC C32668 $4.7421 46 BS-2-1 B1 BATTERY_SOLDER_PAD 1 BS-2-1 Q&J LCSC C70376 $0.059088 15 KH-IPEX-K501-29 RF1 ANT-SMD_KH-IPEX-K501-29 1 KH-IPEX-K501-29 Shenzhen Kinghelm Elec LCSC C411563 $0.0982 11 nano1.4_c77877 CN1 SIM-SMD_C77877 1 - Boom Precision Elec LCSC C77877 $0.327 13 Header-Male-2.54_1x6 H3 HDR-TH_6P-P2.54-V 1 Header-Male-2.54_1x6 BOOMELE LCSC C37208 $0.020236 8 MKA-10110 U4 MKA10110 8-22 1 MKA-10110 REED SWITCH LCSC C92643 $0.2749