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STD ATmega328p clock with battery
ATmega328p clock with battery
License
Public Domain
License: Public Domain- 0
Update time：
2024-07-29 00:29:54
Creation time：
2020-03-06 00:51:16
Description
Description
simple clock based on 32768 Hz crystal oscillator
with automatic brightness control and power saving modes
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | |
|---|---|---|---|---|---|
| 1 | Li-ion 3.7V | B1 | BAT-TH_BS-2-1 | 1 | C70376 |
| 2 | 1u | C1 | RAD-0.1 | 1 | |
| 3 | 10pF | C2,C3 | RAD-0.1 | 2 | |
| 4 | 0.1uF | C4 | RAD-0.1 | 1 | |
| 5 | Header-Male-2.54_2x3 | J1 | HDR-TH_6PIN-V-ROW2-COL3-MALE-PITCH2.54 | 1 | C65114 |
| 6 | Light Sensor On | LED1 | LED-3MM/2.54 | 1 | C99772 |
| 7 | 2N7000 | Q1 | TO-92(TO-92-3) | 1 | C9114 |
| 8 | 1k | R1,R3 | AXIAL-0.4 | 2 | |
| 9 | 47k | R2 | AXIAL-0.4 | 1 | |
| 10 | 4.7k | R4 | AXIAL-0.4 | 1 | |
| 11 | 20k | R5,R6 | AXIAL-0.4 | 2 | |
| 12 | 10k | R7 | AXIAL-0.4 | 1 | |
| 13 | BUZZER | SG1 | BUZZER-12MM-NS | 1 | |
| 14 | Minutes | SW1 | KEY-6.0*6.0-4 | 1 | C79156 |
| 15 | Hours | SW2 | KEY-6.0*6.0-4 | 1 | C79156 |
| 16 | Time | SW3 | KEY-6.0*6.0-4 | 1 | C79156 |
| 17 | Snoose | SW4 | KEY-6.0*6.0-4 | 1 | C79156 |
| 18 | Alarm | SW5 | KEY-6.0*6.0-4 | 1 | C79156 |
| 19 | Alarm On/Off | SW6 | KEY-6.0*6.0-4 | 1 | C79156 |
| 20 | ATMEGA328P_TQFP | U1 | TQFP32-08 | 1 | |
| 21 | Grove - 4-Digit Display | U2 | GROVE - 4-DIGIT DISPLAY | 1 | undefined |
| 22 | Light Sensor (1-20)k | U3 | SNR2-3.0 | 1 | |
| 23 | TP4056 Module | U4 | BAT CHARGER (FC-96 TP4056) | 1 | |
| 24 | 32.768kHz | X1 | HC-49US_L11.5-W4.5-P4.88 | 1 | C16369 |
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