Maker project
esp32-4-channel-relays
BOM005274 · main（整套 KiCad 工程）
What the project is · as the catalogue files it; the circuit functions below are BOM rule hits
Filed under “ESP” in the ezPLM catalogue.
Circuit functions included · BOM rule hits · not reviewed
- Low-dropout regulator (LDO)
- U1 AMS1117-3.3 · by part number
- Wireless SoC / wireless module
- U4 ESP32-WROOM-32 · by part number
- Wi-Fi
- U4 ESP32-WROOM-32 · by part number
- Bluetooth / Bluetooth Low Energy
- U4 ESP32-WROOM-32 · by part number
- USB to serial
- U2 CH340C · by part number
- Optocoupler isolation
- U5, U6, U7, U8 PC817 · by part number
- Relay / load driver (ULN2003 / MOSFET driver)
- K1, K2, K3, K4 SRD-05VDC-SL-C · by part number
- ESD / TVS protection
- U3 PRTR5V0U2X · by part number
Helper circuits
- USB connector (Type-C / Micro / A)
- USB1 HRO-TYPE-C-31-M-12 · by part number
- Fuse / resettable fuse
- F1 500mA · by footprint
Online view
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26 rows · 63 parts0 of 26 rows placedHover or click a row to mark its parts in the view; click a part in the view to find its row.
Looks up part numbers and makers at ezPLM, DigiKey and Mouser. What it finds are suggestions: check one before you use it.
| Designators | Value | Part | Qty | Placed | |
|---|---|---|---|---|---|
| C1, C2, C7 | 22uFC_0805_2012Metric_Pad1.18x1.45mm_HandSolder | No part number | 3 | ||
| C3, C4, C5, C6, C8, C9 | 0.1uFC_0805_2012Metric_Pad1.18x1.45mm_HandSolder | No part number | 6 | ||
| R1 | 2KR_0805_2012Metric_Pad1.20x1.40mm_HandSolder | No part number | 1 | ||
| R2, R3 | 5.1KR_0805_2012Metric_Pad1.20x1.40mm_HandSolder | No part number | 2 | ||
| R4, R5 | 22R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | No part number | 2 | ||
| R6, R7, R8 | 10KR_0805_2012Metric_Pad1.20x1.40mm_HandSolder | No part number | 3 | ||
| R9, R10, R11, R12, R13, R14, R15, R16 | 1KR_0805_2012Metric_Pad1.20x1.40mm_HandSolder | No part number | 8 | ||
| D1 | YELLOW_LEDLED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | No part number | 1 | ||
| D2, D4, D6, D8 | RED_LEDLED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | No part number | 4 | ||
| D3, D5, D7, D9 | 1N4007D_MELF_Handsoldering | No part number | 4 | ||
| U1 | AMS1117-3.3SOT-223-3_TabPin2 | No part number | 1 | ||
| U2 | CH340CSOIC-16_3.9x9.9mm_P1.27mm | No part number | 1 | ||
| U3 | PRTR5V0U2XSOT-143_Handsoldering | No part number | 1 | ||
| U4 | ESP32-WROOM-32ESP32-WROOM-32 | No part number | 1 | ||
| U5, U6, U7, U8 | PC817SMDIP-4_W7.62mm | No part number | 4 | ||
| F1 | 500mAFuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | No part number | 1 | ||
| SW1, SW2 | SW_SKQGSW_SPST_SKQG_WithStem | No part number | 2 | ||
| H1, H2, H3, H4 | MountingHoleInterface labelMountingHole_3.2mm_M3 | No part number | 4 | ||
| K1, K2, K3, K4 | SRD-05VDC-SL-CRELAY_SRD-05VDC-SL-C | No part number | 4 | ||
| Q1 | MBT3904DW1SOT-363_SC-70-6_Handsoldering | No part number | 1 | ||
| Q2, Q3, Q4, Q5 | BC547ATSOT-23_HandSoldering | No part number | 4 | ||
| USB1 | HRO-TYPE-C-31-M-12HRO-TYPE-C-31-M-12-HandSoldering | No part number | 1 | ||
| J1 | Relay-1Interface labelTerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | No part number | 1 | ||
| J2 | Relay-2Interface labelTerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | No part number | 1 | ||
| J3 | Relay-3Interface labelTerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | No part number | 1 | ||
| J4 | Relay-4Interface labelTerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | No part number | 1 |