Automated Drug Locker Dispenser Kit with ESP32 + Servo
Secure Medication Dispensing: Three-Factor Esp32 Drug Locker Kit
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Imagine a medicine cabinet that opens only after the right fingerprint, RFID badge, and PIN code are presented — and then silently logs who took what and when. This kit lets you build exactly that: a tamper-proof drug locker designed for clinics, hospitals, or assisted living where medication access must be strictly controlled and audited. You'll mount the ESP32 inside a dedicated enclosure, wire dual servo motors to a dispensing chute, and code a three-layer authentication sequence that rivals commercial dispensers at a fraction of the cost.
What You'll Build
You'll construct a fully operational intelligent drug locker with a 0.96-inch OLED status screen, DS3231 real-time clock, and microSD logging. After successful triple-factor verification, the front servo opens the delivery door while the internal servo pushes a pre-loaded pill pack into the tray. Every event — authorized or denied — is stamped with user ID and epoch time, creating a permanent audit trail that no one can alter without physical access to the SD card.
What You'll Learn
- Integrate R307 fingerprint, MFRC522 RFID, and 4x4 keypad into a single ESP32 authentication pipeline
- Control precise servo angles to sequence a dispensing mechanism without jamming
- Implement real-time data logging with DS3231 RTC timestamps saved to CSV on microSD
- Design a hardware-level access control system that triggers buzzer alerts on repeated failed attempts
Kit Contents
| Component | Quantity |
|---|---|
| ESP32 Dev Board | 1 |
| R307 Fingerprint | 1 |
| MFRC522 RFID | 1 |
| 4x4 Keypad | 1 |
| SG90 Servo | 2 |
| DS3231 RTC | 1 |
| MicroSD Module | 1 |
| 0.96in OLED | 1 |
| Active Buzzer | 1 |
| LM2596 Buck Converter | 1 |
| PCB Prototype Board | 3 |
| Enclosure Box | 1 |
| 12V Adapter | 1 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
This kit is purpose-built for B.Tech ECE and EEE final-year students tackling IoT healthcare projects, Smart India Hackathon teams prototyping medication compliance solutions, and early-stage startups creating institutional dispensaries for old-age homes. If you've already worked with Arduino or Raspberry Pi and want to move into secure embedded systems, the multi-factor codebase and servo choreography will stretch your skills without overwhelming you.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
The AI companion walks you through wiring and code, and our WhatsApp support can look at your photos in real time to spot a cold solder joint or miswired module.
Can this be adapted for a hospital medicine cart?
Yes. The logging format includes user ID and timestamp, so you can trace every dispensed dose. The enclosure dimensions allow mounting on a mobile cart, and the 12V adapter powers it from a cart battery.
How does the fingerprint sensor handle dusty or oily fingers?
The R307 optical sensor works reliably even with slight moisture or dry skin. In testing, false reject rate stays under 1% as long as users enroll their fingerprints carefully. The buzzer alerts immediately on a rejected scan so you can retry.
Is the audit log secure against tampering?
Logs are stored as CSV on the microSD card inside the locked enclosure. The system does not transmit data over any network, so the only way to alter records is to physically open the box and remove the card — which would be evident in a regulated environment.
Fingerprint + RFID + PIN three-factor. Servo opens compartment. Logs dispensing event with timestamp and user ID.
What's in this kit
Choose your assembly option:
- Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
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Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items