๐ ๏ธ MAKER GUIDEApr 22, 2026โขโฑ๏ธ 1 min readโข๐ณ๐ต Tested in Nepal
Automated Smart Pill Box & Medication Dispenser with Servo & OLED
Ensure elderly patients take correct medications on time with rotating servo chambers, buzzer chimes, and OLED pill schedule reminders.
๐ ๏ธ BILL OF MATERIALS (BOM)
Required Hardware & Component Checklist
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Estimated Total (5/5 items):
NPRย 1,840
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NPRย 350
NPRย 750
NPRย 200
NPRย 500
NPRย 40
Automated Smart Pill Box & Medication Dispenser with Servo & OLED
Never miss medication schedules. The DS3231 Real Time Clock and SG90 Servo Motor rotate pill chambers at exact breakfast, lunch, and dinner times with OLED display alerts.
Hardware Bill of Materials:
- Precision RTC: DS3231 High Precision RTC Real Time Clock Module I2C with Battery
- Microcontroller: Arduino Nano V3.0 Solderless
- Rotary Indexer: SG90 9g Micro Servo Motor 180 Degree
- Display & Alarm: 0.91 inch OLED module blue OLED 128X32 + Active Buzzer (5V)
Circuit Pinout & Wiring Connections:
| Component / Module Pin | Arduino Nano Pin | Function / Description |
|---|---|---|
| DS3231 SDA / SCL | Pin A4 / Pin A5 | I2C Accurate Timekeeping Bus |
| 0.91" OLED SDA / SCL | Pin A4 / Pin A5 | Shared I2C Pill Notification Screen |
| SG90 Servo PWM | Pin D9 | Rotates Pill Carousel by 60ยฐ Intervals |
| Active Buzzer (+) | Pin D4 | Scheduled Pill Reminder Chime |
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