USB-C 5V Power Supply Adapter for Raspberry Pi & Arduino Projects
USB-C 5V 3A Power Supply Adapter for Arduino & Raspberry Pi
The Compoden USB-C 5V 3A adapter delivers stable 5V DC from any USB-C PD charger, powering Arduino, ESP32, Raspberry Pi, and other DIY electronics projects directly via barrel jack or breakout pins.
Key Specifications
| Input Voltage | USB-C 5V DC (compatible with PD chargers) |
| Output Voltage | 5V DC (±0.1V) |
| Max Output Current | 3A continuous |
| Output Connector | 5.5×2.1mm barrel jack (center positive) + screw terminal |
| Protection | Over-current, short‑circuit, thermal shutdown |
| Dimensions | 43mm × 22mm × 14mm |
| Weight | 12g |
| Operating Temperature | -20°C to +85°C |
What You Can Build With This
- Blinking LED Beginner Kit: Power a basic Arduino Uno circuit with LED patterns using the USB‑C adapter’s 5V pin.
- WiFi Temperature Logger: Run an ESP8266 NodeMCU with a DHT22 sensor, powered from the adapter for continuous IoT monitoring.
- Portable RetroPie Console: Supply a Raspberry Pi 4 via GPIO pins from a USB‑C power bank for a handheld gaming setup.
- CBSE Class 12 Physics Practical: Demonstrate an LDR‑based automatic street light, powered by this adapter, as part of your practical exam project.
- Smart Agriculture System: Build a B.Tech final‑year IoT plant monitoring system with soil moisture sensors, all fed by a single USB‑C supply.
Compatibility
| Platform | Compatible | Connection | Library / Method |
|---|---|---|---|
| Arduino Uno R3 | Yes (use 5V pin, not barrel jack) | 5V & GND pins | Direct connection |
| Arduino Nano | Yes | 5V & GND pins | Direct connection |
| Arduino Mega 2560 | Yes (use 5V pin) | 5V & GND pins | Direct connection |
| ESP8266 NodeMCU | Yes | Vin (5V) & GND | None required |
| ESP32 Dev Board | Yes | 5V & GND pins | Direct connection |
| Raspberry Pi Pico | Yes | VSYS (5V) & GND | Direct connection |
| Raspberry Pi 4 / 5 | Yes (via GPIO header, not USB‑C) | Pin 2 (5V) & Pin 6 (GND) | None |
Wiring and Interface Notes
Connect the adapter’s barrel jack or screw terminal to the target device’s 5V input, respecting centre‑positive polarity. Ensure your USB‑C PD charger can supply 3A at 5V; many phone chargers only deliver 2A, which may starve a Raspberry Pi under load. For single‑board computers, always power through the GPIO 5V pins—not the USB‑C port—to avoid back‑powering issues.
Frequently Asked Questions
Can I use this adapter to power my Arduino Uno via the barrel jack?
No, the Uno’s barrel jack input expects 7–12V; a 5V supply will not pass through the onboard regulator. Instead, connect the adapter’s 5V directly to the Uno’s 5V pin, bypassing the jack.
Does this adapter work with any USB‑C charger?
Yes, any USB‑C charger that outputs 5V works, but for the full 3A output the charger must support 5V/3A PD profile. Confirm your charger’s specs before powering high‑current projects.
What you can build with this
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