Maker project
Megadesk
BOM001065 · v1.0
What the project is · as the catalogue files it; the circuit functions below are BOM rule hits
The catalogue does not say what this project is for.
Circuit functions included · BOM rule hits · not reviewed
- Low-dropout regulator (LDO)
- U2 HT7550-1 · by part number
- Three-terminal regulator (78xx / LM317)
- U1 7812 · by part number
- 8-bit MCU (AVR / PIC / 8051 / STM8)
- U3 ATtiny841-SS · by part number
- LIN
- U4 MCP2003B · by part number
- ESD / TVS protection
- D3 SMF33A · by part number
Helper circuits
- Buzzer / vibration motor
- BZ1 Buzzer · by part number
Online view
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16 rows · 27 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 | ||
|---|---|---|---|---|---|
| U1 | 7812 | No part number | 1 | ||
| U4 | MCP2003B | No part number | 1 | ||
| U2 | HT7550-1 | No part number | 1 | ||
| D1, D2 | 1N4148 | No part number | 2 | ||
| D3 | SMF33A | No part number | 1 | ||
| U3 | ATtiny841-SS | No part number | 1 | ||
| R3, R4, R5 | 4.7kR_0603_1608Metric | 4.7k | 3 | ||
| J2 | FFCF1004-H-10-20G-R | FFC | 1 | ||
| R1, R2, R6, R7 | 1kR_0603_1608Metric | 1k | 4 | ||
| BZ1 | BuzzerBuzzer_Murata_PKMCS0909E | Buzzer | 1 | ||
| TP4 | TPUPTestPoint_Pad_D1.5mm | TPUP | 1 | ||
| C1, C2, C6 | 220pFC_0603_1608Metric | 220pF | 3 | ||
| TP3 | TPDNTestPoint_Pad_D1.5mm | TPDN | 1 | ||
| TP1, TP2 | TestPointTestPoint_Pad_D1.5mm | TestPoint | 2 | ||
| J4 | InterfacePinHeader_1x05_P2.54mm_Horizontal | Interface | 1 | ||
| C3, C4, C5 | 0.1uFC_0805_2012Metric | 0.1uF | 3 |