Maker project
rs485-spy-injector
BOM010411 · ESP32-dual-MAX3485-RS485
What the project is · as the catalogue files it; the circuit functions below are BOM rule hits
Filed under “接口转换及调试器” in the ezPLM catalogue.
Circuit functions included · BOM rule hits · not reviewed
- Low-dropout regulator (LDO)
- U3 AMS1117-3.3 · by part number
- Wireless SoC / wireless module
- U2 ESP32-WROOM-32 · by part number
- Wi-Fi
- U2 ESP32-WROOM-32 · by part number
- Bluetooth / Bluetooth Low Energy
- U2 ESP32-WROOM-32 · by part number
- USB to serial
- U1 CH340C · by part number
- RS-485 / RS-422
- U4, U5 MAX3485 · by part number
- Ethernet
- J6, J7 RJ45 · by part number
Helper circuits
- USB connector (Type-C / Micro / A)
- J4 USB_C_Receptacle_USB2.0_14P · by part number
Online view
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16 rows · 44 parts0 of 16 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, C3, C4, C5, C6, C7 | CC_0603_1608Metric | No part number | 7 | ||
| R1, R2, R3, R4, R5, R12, R13 | R_SmallR_0603_1608Metric | No part number | 7 | ||
| R6, R8, R9, R11 | 10KR_0603_1608Metric | No part number | 4 | ||
| R7, R10 | 120R_0603_1608Metric | No part number | 2 | ||
| D1, D2 | LEDLED_0603_1608Metric | No part number | 2 | ||
| U1 | CH340CSOIC-16_3.9x9.9mm_P1.27mm | No part number | 1 | ||
| U2 | ESP32-WROOM-32ESP32-WROOM-32 | No part number | 1 | ||
| U3 | AMS1117-3.3SOT-223-3_TabPin2 | No part number | 1 | ||
| U4, U5 | MAX3485SOIC-8_3.9x4.9mm_P1.27mm | No part number | 2 | ||
| BOOT1, BTN1, BTN2, BTN3, EN1 | SW_PushSW_SPST_FSMSM | No part number | 5 | ||
| Q1, Q2 | BSS138SOT-23 | No part number | 2 | ||
| J1 | Conn_01x06PinHeader_1x06_P2.54mm_Vertical | No part number | 1 | ||
| J3, J5 | Conn_01x03TerminalBlock_4Ucon_1x03_P3.50mm_Horizontal | No part number | 2 | ||
| J4 | USB_C_Receptacle_USB2.0_14PUSB_C_Receptacle_JAE_DX07S016JA1R1500 | No part number | 1 | ||
| J6, J7 | RJ45RJ45_Amphenol_RJHSE5380 | No part number | 2 | ||
| J8, J9, J10, J11 | Conn_02x08_Counter_ClockwiseSW_DIP_SPSTx08_Slide_6.7x21.88mm_W8.61mm_P2.54mm_LowProfile | No part number | 4 |