Esp av
About the Esp av PCB
Esp av is an open source ESP32 PCB design by smkent, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 100 × 66 mm, with 145 components from 53 distinct parts.
Its main chip is the ESP32-C3-WROOM-02, from the ESP32 family. Other key parts include the USBLC6-2P6, DS8242-33SS3, TPS563201, NC7WZ14P6X and SN74LVC1G157DC. By type, the board carries 42 resistors, 24 LEDs, 16 transistors, 16 capacitors, 15 ICs and 15 connectors.
From the project
PCB designs
A monorepository of my PCB designs created with [KiCAD][kicad] 8.
Custom symbols and footprints are located in [libraries][dir-libraries], which is shared between PCB projects using [${KIPRJMOD}][docs-kiprjmod].
Individual PCB projects (e.g. .kicadpro and friends) are located within within [pcb][dir-pcb] for active projects, or [pcb-archived`][dir-pcb-archived] for archived projects.
Main components on the Esp av
Esp av bill of materials (BOM)
145 components, 53 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USBLC6-2P6 | SOT-666 | U1 |
| 1 | DS8242-33SS3 | SOT-23 | U2 |
| 1 | TPS563201 | SOT-23-6 | U3 |
| 2 | NC7WZ14P6X | SOT-363_SC-70-6 | U4, U5 |
| 4 | SN74LVC1G157DC | SOT-363_SC-70-6 | U6, U7, U8, U9 |
| 1 | DY-IRMHA384 | IRM_5.0mmx4.2mm_P1.27mm_Horizontal | U10 |
| 2 | 74HC595 | SOIC-16_3.9x9.9mm_P1.27mm | U12, U13 |
| 1 | MAX809C263NR | SOT-23 | U14 |
| 1 | SN74AHC1G08DC | SOT-353_SC-70-5 | U15 |
| 1 | GT0104SC | QFN-12-1EP_2x2mm_P0.4mm_EP1.1x1.1mm | U16 |
| 6 | PDNM6ET20V05 | SOT-563 | Q1, Q7, Q9, Q10, Q15, Q16 |
| 4 | G2N7002X | SOT-523 | Q2, Q8, Q17, Q19 |
| 4 | SP2301DTS | SOT-23-6 | Q3, Q4, Q5, Q6 |
| 2 | SP2006KT5 | SOT-523 | Q11, Q14 |
| 1 | DC-005 | BarrelJack_DC-005_THT_Horizontal | J0 |
| 1 | USB_C_RECEPTACLE_USB2.0_16P USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1 |
| 8 | PJ-327U | Jack_3.5mm_PJ-327U-SMT_Horizontal | J2, J3, J4, J5, J6, J7, J8, J9 |
| 2 | C7433426 JST SH | JST_SH_SM05B-SRSS-TB_1x05-1MP_P1.00mm_Horizontal | J10, J17 |
| 1 | Pin socket | PinSocket_1x03_P2.54mm_Vertical | J11 |
| 1 | C27636912 Qwiic | Qwiic-SMD-vertical | J13 |
Show 33 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Pin socket | PinSocket_1x05_P2.54mm_Vertical | J14 |
| 1 | C2982271 16V 2A | Fuse_1206_3216Metric | F1 |
| 4 | C369141 24V 50mA | Fuse_0603_1608Metric | F2, F3, F4, F5 |
| 1 | ESP32-C3-WROOM-02 | ESP32-C3-WROOM-02 | SM1 |
| 1 | C2888932 Tactile, right-angle | SW_Push_1P1T-MP_NO_4.6x3mm_Horizontal | SW1 |
| 1 | Tactile 3.3mm | SW_Push_1P1T_NO_3.3x3.3mm_MP | SW2 |
| 1 | XL-1606SURC | LED_SideEmitter_1.7x1.1mm | LED0 |
| 2 | XL-1606UWC | LED_SideEmitter_1.7x1.1mm | LED1, LED2 |
| 2 | XL-1606UGC | LED_SideEmitter_1.7x1.1mm | LED3, LED4 |
| 5 | C7496823 Ice Blue | LED_0603_1608Metric | LED5, LED6, LED7, LED8, LED19 |
| 9 | C7496826 Pink | LED_0603_1608Metric | LED9, LED10, LED11, LED12, LED14, LED15, LED16, LED17 +1 |
| 1 | C2827262 Warm White | LED_0603_1608Metric | LED13 |
| 4 | SK6812SIDE-A | LED_SK6812SIDE-A_4.0x1.6mm | PIX1, PIX2, PIX3, PIX4 |
| 1 | C7473216 D_TVS | D_SOD-123F | D0 |
| 7 | 1N5819WT | D_SOD-523 | D1, D2, D3, D4, D5, D6, D7 |
| 1 | 4U7 4u7 | L_1008_2520Metric | L1 |
| 4 | 1u | C_0603_1608Metric | C1, C2, C4, C5 |
| 3 | 1000U/6.3V 1000u/6.3V | CP_Radial_D8.0mm_P3.50mm | C6, C7, C8 |
| 1 | 330U/6.3V 330u/6.3V | CP_Radial_D5.0mm_P2.00mm | C9 |
| 3 | 10U 10u | C_0603_1608Metric | C10, C11, C17 |
| 2 | 0U1 0u1 | C_0603_1608Metric | C12, C13 |
| 2 | 22U 22u | C_0603_1608Metric | C14, C15 |
| 1 | 100U/35V 100u/35V | CP_Radial_D6.3mm_P2.50mm | C16 |
| 7 | 5K1 | R_0603_1608Metric | R1, R2, R16, R18, R19, R20, R22 |
| 2 | 10K | R_0603_1608Metric | R3, R9 |
| 1 | 1K | R_0603_1608Metric | R4 |
| 9 | 100K | R_0603_1608Metric | R5, R6, R7, R17, R30, R32, R33, R34 +1 |
| 1 | 57K6 | R_0603_1608Metric | R8 |
| 2 | 2K2 | R_0603_1608Metric | R10, R11 |
| 8 | 15R4 | R_1206_3216Metric | R12, R13, R14, R15, R24, R25, R26, R27 |
| 2 | 13K | R_0603_1608Metric | R37, R38 |
| 4 | 5K1 | R_Array_Convex_4x0603 | RN1, RN5, RN6, RN11 |
| 6 | 100K | R_Array_Convex_4x0603 | RN3, RN4, RN7, RN8, RN9, RN10 |
Esp av design files
The KiCad project lives in the smkent/pcb repository on GitHub; these links point at the commit this page was built from.
Esp av: common questions
What microcontroller does the Esp av use?
The Esp av is built around the ESP32-C3-WROOM-02, from the ESP32 family.
How big is the Esp av PCB?
The Esp av measures 100 × 66 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Esp av?
145 components, from 53 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Esp av design files?
From the smkent/pcb repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Esp av design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which smkent chose for the repository.
Can I test firmware for the Esp av without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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