Maker project
retrowifimodem
BOM004502 · kicad（KiCad 6 工程，PCB 2.2）
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)
- U4 L4931CZ33-AP · by part number
- Core board / dev board module
- U5 WeMos_mini · by part number
- Logic gate / inverter / Schmitt trigger
- U3 74HC32 · by part number
- Bus buffer / transceiver
- U2 74HCT245 · by part number
- Audio decode / playback / audio DSP
- U6 DFPlayer_Mini · by part number
Helper circuits
- Power input connector
- CON1 BarrelJack_Horizontal · by footprint
- Audio jack / speaker connector
- LS1 Speaker · by part number
Online view
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17 rows · 35 parts0 of 17 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, C8 | 100nFC_Disc_D3_P2.5 | No part number | 6 | ||
| C6 | 100nFR3 | No part number | 1 | ||
| C7 | 1uFC_Disc_D3_P2.5 | No part number | 1 | ||
| R1 | 560RDIP-16_W7.62mm_LongPads | No part number | 1 | ||
| R9, R10 | 10KR3 | No part number | 2 | ||
| D1, D2, D3, D4, D5, D6, D7, D8 | TLPR5600LED-3MM | No part number | 8 | ||
| D9 | 1N4148D_DO-35_SOD27_P7.62mm_Horizontal | No part number | 1 | ||
| U1 | MAX3237CAI+SOIC-28W_7.5x17.9mm_Pitch1.27mm | No part number | 1 | ||
| U2 | 74HCT245SOIC-20W_7.5x12.8mm_P1.27mm | No part number | 1 | ||
| U3 | 74HC32SOIC-14_3.9x8.7mm_P1.27mm | No part number | 1 | ||
| U4 | L4931CZ33-APTO-92_Inline_Wide | No part number | 1 | ||
| U5 | WeMos_miniwemos-d1-mini-with-pin-header-and-connector | No part number | 1 | ||
| U6 | DFPlayer_MiniDFPlayerMini | No part number | 1 | ||
| CON1 | BarrelJack_HorizontalInterface labelBarrelJack_Horizontal | No part number | 1 | ||
| H1, H2, H3, H4, H5, H6 | MountingHoleInterface labelMountingHole_3.2mm | No part number | 6 | ||
| LS1 | SpeakerPinHeader_1x02_P2.54mm_Vertical | No part number | 1 | ||
| P1 | CONN_02X05IDC_Header_Straight_10pins | No part number | 1 |