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1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
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2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
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STD WatchdogTeremTQFP_LCDOnBoard_Ver04
Mode: Editors' pick
- 0
Update time：
2021-03-20 09:48:54
Creation time：
2017-10-17 19:05:12
Description
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Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | LCD1602 I2C | U4 | LCD-1602 ONLY I2C HOLE | 1 |
| 2 | Led On/Off | ON/OFF | LED-3MM/2.54 | 1 |
| 3 | 220 | R1,R2,R3,R4,R8 | 0805 | 5 |
| 4 | Led Limit | LIMIT | LED-3MM/2.54 | 1 |
| 5 | Reset | RESET | SW2-4.0-6.0X3.0X2.5MM | 1 |
| 6 | Power | POWER | SW2-4.0-6.0X3.0X2.5MM | 1 |
| 7 | PC817 | U1,U2 | DIP-4 | 2 |
| 8 | To Tokoviy Transformator | RING | HDR-2X1/2.54 | 1 |
| 9 | 150 | R5 | 0805 | 1 |
| 10 | 10k | R6,R7,R9,R10,R11,R12,R13 | 0805 | 7 |
| 11 | 100nF | C1,C4,C5,C6 | 0805 | 4 |
| 12 | AVRISP-6 | ISP | AVRISP | 1 |
| 13 | OSC-XTAL | 1MHZ | HC-49U-PTH | 1 |
| 14 | 22pF | C2,C3 | 0805 | 2 |
| 15 | Atmega 328p smd | U3 | TQFP-32 | 1 |
| 16 | BlinkCntReboot | BLINKCNTREBOOT | LED-3MM/2.54 | 1 |
| 17 | CR2032-BS-2-1 | B1 | BATTERY-1 | 1 |
| 18 | DS1307Z+ | U5 | SOIC-8_150MIL | 1 |
| 19 | On/Off | BUTTON | SW2-4.0-6.0X3.0X2.5MM | 1 |
| 20 | Next | NEXT | SW2-4.0-6.0X3.0X2.5MM | 1 |
| 21 | Change | CHANGE | SW2-4.0-6.0X3.0X2.5MM | 1 |
| 22 | Menu | MENU | SW2-4.0-6.0X3.0X2.5MM | 1 |
| 23 | SS14 | D1,D2 | SMA(DO-214AC) | 2 |
| 24 | MICRO USB 5S B | USB1 | MICRO-USB-1 | 1 |
| 25 | PWR___RST | RST__PWR | HDR-4X1/2.54 | 1 |
| 26 | Header-Male-2.54_1x3 | TIME-NOTIME | HDR-3X1/2.54 | 1 |
| 27 | DS18B20+ | U6 | TO-92(TO-92-3) | 1 |
| 28 | 4,7k | R15 | 0805 | 1 |
| 29 | 32.768KHz | X1 | 3*8 | 1 |
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