Maker project
hourglass
BOM010978 · Hourglass-RevA
What the project is · as the catalogue files it; the circuit functions below are BOM rule hits
Filed under “嵌入式系统” in the ezPLM catalogue.
Circuit functions included · BOM rule hits · not reviewed
- Low-dropout regulator (LDO)
- U5 RT9080-33GJ5 · by part number
- LED driver
- U2 IS31FL3731-QF · by part number
- 8-bit MCU (AVR / PIC / 8051 / STM8)
- U1 ATmega32U4-M · by part number
- Real-time clock (RTC)
- U4 DS3231MZ · by part number
- Inertial measurement (accelerometer / gyroscope)
- U3 LSM9DS1 · by part number
- 7-segment / LED matrix driver
- U2 IS31FL3731-QF · by part number
Helper circuits
- Power input connector
- J2 Conn_BATT · by footprint
- Debug / programming header
- J3 AVR-ISP-6 · by part number
- Crystal / oscillator
- Y1 8MHz · by part number
- USB connector (Type-C / Micro / A)
- J4 USB_C_Receptacle_USB2.0_14P · by part number
Online view
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23 rows · 93 parts0 of 23 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, C3 | 0.1uFC_0201_0603Metric | No part number | 2 | ||
| C2, C4, C6 | 10uFC_0201_0603Metric | No part number | 3 | ||
| C5 | 0.22uFC_0201_0603Metric | No part number | 1 | ||
| R1, R3 | 5.1kR_0201_0603Metric | No part number | 2 | ||
| R2, R7 | 22R_0201_0603Metric | No part number | 2 | ||
| R4, R8, R9 | 10kR_0201_0603Metric | No part number | 3 | ||
| R5, R6 | 20kR_0201_0603Metric | No part number | 2 | ||
| D1, D6, D11, D16, D21, D26, D31, D36, D41, D46, D51, D56 | LEDLED_0603_1608Metric | No part number | 12 | ||
| D2, D3, D4, D5, D7, D8, D9, D10, D12, D13, D14, D15, D17, D18, D19, D20, D22, D23, D24, D25, D27, D28, D29, D30, D32, D33, D34, D35, D37, D38, D39, D40, D42, D43, D44, D45, D47, D48, D49, D50, D52, D53, D54, D55, D57, D58, D59, D60, D61, D62, D63, D64 | LEDLED_0402_1005Metric | No part number | 52 | ||
| D65 | MBR0540D_SOD-123 | No part number | 1 | ||
| U1 | ATmega32U4-MQFN-44-1EP_7x7mm_P0.5mm_EP5.2x5.2mm | No part number | 1 | ||
| U2 | IS31FL3731-QFQFN-28-1EP_4x4mm_P0.4mm_EP2.3x2.3mm | No part number | 1 | ||
| U3 | LSM9DS1LGA-24L_3x3.5mm_P0.43mm | No part number | 1 | ||
| U4 | DS3231MZSOIC-8_3.9x4.9mm_P1.27mm | No part number | 1 | ||
| U5 | RT9080-33GJ5SOT94P280X100-5N | No part number | 1 | ||
| Y1 | 8MHzCrystal_SMD_3225-4Pin_3.2x2.5mm | No part number | 1 | ||
| SW1 | SW_User1SW_Push_SPST_NO_Alps_SKRK | No part number | 1 | ||
| SW2 | SW_User2SW_Push_SPST_NO_Alps_SKRK | No part number | 1 | ||
| Q1 | DMG3414USOT-23 | No part number | 1 | ||
| J1 | Conn_RESETInterface labelPinHeader_1x02_P1.00mm_Vertical | No part number | 1 | ||
| J2 | Conn_BATTInterface labelBatteryHolder_LINX_BAT-HLD-012-SMT | No part number | 1 | ||
| J3 | AVR-ISP-6Interface labelPinHeader_2x03_P1.27mm_Vertical | No part number | 1 | ||
| J4 | USB_C_Receptacle_USB2.0_14PUSB_C_Receptacle_GCT_USB4110 | No part number | 1 |