## MidTBot ESP32 PCB BOM **Note:** These are the sources I buy from. Many of the parts are available from other sources. Many of the parts are generic and can substituted by other brands. | Desg | Desc | Qty | Source | | ----- | ----------------------------------------------- | ---- | ------------------------------------------------------------ | | C1,C2 | Capacitor, Electrolytic 47uF 35V | 2 | [Digikey](https://www.digikey.com/short/p99tbh) | | C3,C4 | Capacitor MLCC 10uF 50V | 2 | [LCSC](https://lcsc.com/product-detail/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_SAMSUNG_CL31A106KBHNNNE_10uF-106-10-50V_C13585.html) | | J1 | DC Barrel Jack | 1 | [LCSC](https://lcsc.com/product-detail/Power-Connectors_Korean-Hroparts-Elec-DC-005C-20A_C84007.html) | | J2,J4 | Header Male 1x4 | 2 | [LCSC](https://lcsc.com/product-detail/Pin-Header-Female-Header_Nextronics-Engineering-Z-211-0411-0021-001_C152150.html) | | J3 | Micro SD Socket TF-01A | 1 | [LCSC](https://lcsc.com/product-detail/Connector-Card-Sockets_Korean-Hroparts-Elec-TF-01A_C91145.html) | | J5,J6 | Header Male 1x3 | 2 | [LCSC](https://lcsc.com/product-detail/Pin-Header-Female-Header_Boom-Precision-Elec-Header-2-54mm-1-3P_C49257.html) | | PS1 | 5VDC 1A Power Supply | 1 | [Digikey]() | | S1,S2 | Microswitch Switch | 2 | [Digikey]() | | U1,U2 | Header, Feamle 1x8 | 4 | [LCSC](https://lcsc.com/product-detail/Female-Header_2-54mm-1-8P-Straight-Female-header_C27438.html) | | U3 | Header Female 1x19 (FYI: trimming a 1x20 works) | 2 | [AliExpress](https://www.aliexpress.com/item/32760209508.html) | | | | | | | | **Required Modules** | | | | | StepStick A4988 | 2 | | | | ESP32 Dev Kit (0.9" Wide Type) | 1 | |