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2.The process supports design scales of 300 devices or 1000 pads
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Std edition SENTSOR CORE 328P
Profile：All-in-One development board (MCU+RTC+uSD) based on ATmega328P optimized for datalogging by SENTSOR
License: CC-BY-SA 3.0
Description
Description available in Bahasa Indonesia
* **Compact & powerful**, 58.42x40.64mm (2300x1600mil) dengan MCU+RTC+uSD onboard.
* **2x18P pinout layout, pitch 2.54mm (100mil)**, dengan susunan 1 sisi untuk peripheral (power, programming, communication) dan 1 sisi untuk GPIO, mempermudah manajemen jalur/kabel yang akan digunakan.
* **Castellated holes & pin header**, pilihan koneksi untuk mempermudah pengaplikasian board SENTSOR Core pada setiap kebutuhan.
* **ATmega328P-AU** @16MHz support bootloader Arduino (default Nano 3.x).
* **FT232RL Serial UART to USB**, koneksi data ke USB tanpa install driver tambahan.
* **DS3231 Extremely Accurate RTC**, terhubung via I2C pada alamat 0x68.
* **MicroSD socket**, terhubung via SPI dengan slave select (SS) pada pin D10.
* **Built-in LED**, terhubung pada pin D2, konfigurasi active-high.
* **22 pin GPIO** @5V level: 1xUART, 1xSPI, 1xI2C, 10bit ADC (A6-A7 hanya dapat digunakan sebagai input). Silahkan lihat gambar diatas untuk lebih lanjut.
* **AMS1117 5V regulator**, tegangan input (VIN) 6.5-12V.
Penggunaan arus +5V via USB
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 3.3k | R10,R7,R8,R9 | 0603 | 4 |
| 2 | 1k | R3,R13,R4,R5,R2,R6,R1 | 0603 | 7 |
| 3 | 4.7k | R11,R12 | 0603 | 2 |
| 4 | TF-115K | CARD1 | TF-115K_C266621_AA | 1 |
| 5 | 4.7u 16V | C2,C5 | CASE-A_3216 | 2 |
| 6 | 3x6x2.5 | RST | KEY-3.0*6.0 | 1 |
| 7 | DS3231SN# | U5 | SOIC-16_300MIL | 1 |
| 8 | LM1117MPX-5.0 | U3 | SOT-223 | 1 |
| 9 | 16MHz | X1 | 3213 | 1 |
| 10 | I/O Port | P2,P1 | [AA] 1X18P | 2 |
| 11 | MBR0520 | D1 | SOD-123 | 1 |
| 12 | LED | LED4 | LED-0603 | 1 |
| 13 | PWR | LED3 | LED-0603 | 1 |
| 14 | CR1220 | B1 | BATTERY-2-AA | 1 |
| 15 | USB-MINI-5P-PEG | CN1 | MINI-USB-B-SMD_5PIN-FEMALE_MINI-5P-PEG | 1 |
| 16 | TX | LED2 | LED-0603 | 1 |
| 17 | RX | LED1 | LED-0603 | 1 |
| 18 | FT232RL | U2 | SSOP-28_208MIL | 1 |
| 19 | 100n | C4,C11,C3,C8,C7,C6,C9 | 0603 | 7 |
| 20 | 1u | C10,C1 | 0603 | 2 |
| 21 | ATMEGA328P-AU | U1 | TQFP-32_7X7X08P | 1 |
| 22 | 74VHC125 | U4 | TSSOP-14 | 1 |
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