Smart Trash Can Kit - FreeRTOS on Raspberry Pi Pico 2
Smart Trash Can Auto-Open Kit - FreeRTOS on Raspberry Pi Pico 2 Dual-Core
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Replace your ordinary dustbin with a gesture-free lid that opens on approach, senses motion, and logs environmental data - all orchestrated by five independent FreeRTOS tasks on the Raspberry Pi Pico 2's dual Cortex-M33 cores. A 0.96-inch OLED renders real-time graphs of CPU time per task and overall load, turning a household object into a window on embedded concurrency. This kit suits B.Tech ECE/EEE students building for Smart India Hackathon, capstone projects, or anyone ready to move beyond Arduino to a true RTOS on the latest Pico.
What You'll Build
A hands-free bin that detects a hand or object via ultrasonic sensor, triggers a servo (not included; use any standard SG90) to lift the lid, and runs simultaneously: ultrasonic polling, lid motor control, environmental monitoring (temperature, humidity, barometric pressure from DHT22 and BMP280), microphone-activated alert, and a CPU monitor that pushes task usage to the OLED display. All five tasks share resources via mutexes and queue, demonstrating inter-task communication on dual cores.
What You'll Learn
- Create and prioritize five FreeRTOS tasks across both Cortex-M33 cores on the Pico 2
- Inter-task communication with queues and mutexes to avoid data corruption
- Drive a 0.96-inch I2C OLED to display dynamic CPU load graphs and task statistics
- Integrate multiple sensors (ultrasonic, temperature/humidity, pressure, MEMS microphone) under a real-time scheduler
Kit Contents
| Component | Quantity |
|---|---|
| Raspberry Pi Pico 2 | 1 |
| DHT22 | 1 |
| BMP280 | 1 |
| MAX9814 Mic Amp | 1 |
| 0.96in OLED | 1 |
| HC-SR04 | 1 |
| 4.7k? Resistors | 10 |
| 100nF Caps | 10 |
| PCB Prototype Board | 2 |
| Micro USB Cable | 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 advanced project targets engineering undergraduates (B.Tech ECE/EEE), diploma final-year students, and working embedded engineers preparing for Smart India Hackathon or similar innovation challenges. It also fits ATL Tinkering Labs looking for a complex prototype for senior student teams, and anyone from IIT/NIT/VIT/BITS campuses wanting hands-on with FreeRTOS and the Raspberry Pi Pico 2.
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?
Scan the QR code inside the box to chat with our AI companion trained on this exact project, including FreeRTOS configuration and sensor wiring. You can also reach us on WhatsApp for human help within 24 hours.
Is a servo motor included? I don't see it in the list.
No, the servo is not included. You will need an SG90 or similar micro servo, widely available locally. The code and wiring diagram assume this standard model.
Can I run the code without the OLED display for debugging?
Yes, you can modify the source to output task statistics over USB serial instead. The AI companion can guide you through that tweak.
Does this kit require a specific IDE or toolchain?
You'll need the Pico SDK with FreeRTOS, which works on VS Code, CLion, or the Raspberry Pi official setup. Our build guide provides step-by-step environment configuration for Windows and Linux.
Touchless Bin - FreeRTOS on Pico 2 runs five concurrent tasks on dual cores. OLED shows CPU time per task and load graph.
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.
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