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DevMajed
Hardware PCB Design for AVR-based Datalogger using KiCAD
| Reference | Value | Description |
|---|---|---|
| U1,U3 | 24LC1025 | |
| U2 | DS1337S_ | Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 8-SOIC (0.154, 3.90mm Width) |
| U4 | ATMEGA328P-AU | AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 32KB (16K x 16) FLASH 32-TQFP (7x7) |
| BT1 | Battery | |
| C1,C4 | 0.1uF | |
| C2,C3 | 22pF | |
| C5 | 100nF | |
| D1,D2 | LED | |
| H1-H4 | MountingHole | |
| J1,J2 | Conn_01x04_Pin | |
| J3 | Conn_02x03_Odd_Even | |
| J4 | Conn_01x09_Pin | |
| R1,R2,R6 | 10K | |
| R3,R4 | 4.7K | |
| R5,R7 | 330 | |
| Y1 | 32.768 KHz | Tuning Fork Crystal 32.768kHz in SMD 1.5 x 3.2 mm package |
| Y2 | 16 MHz | Tuning Fork Crystal 32.768kHz in SMD 1.5 x 3.2 mm package |