Running out of GPIO pins on your Pi and not sure what to do about it? The GPIO Expansion Board Raspberry PI 4B3 is here to help, and you can pick it up from Tech Depot India for Rs 841. Stick with me and I'll walk you through what it does and how it can fit into your next build.
What is the GPIO Expansion Board Raspberry PI 4B3?
Think of this board as a helper that sits between your Pi and your project wiring. As its name tells you, it's a GPIO expansion board designed for the Raspberry Pi 4B (and 3-series) boards, which generally means it gives you an easier, more organised way to access the pins you'd otherwise be wrestling with directly. You'll find the full listing right here.
I won't pretend to know the exact pin layout or extra features it packs in, though — that level of detail lives on the product page, so give it a read before you add it to your cart.
GPIO Expansion Board Raspberry PI 4B3 projects — what you can build
Here's where a GPIO expansion board usually earns its keep in a maker's toolkit:
- Wiring up sensors and modules without soldering directly onto the Pi
- Building breadboard-friendly prototypes that are easy to tweak
- Teaching electronics basics with a safer, more accessible pin layout
- Connecting multiple peripherals for a home automation project
- Prototyping robotics builds where you're swapping components often
- Setting up a workbench where you reuse the same Pi across many experiments
Raspberry Pi accessory options compared
| Product | Price | Notes |
|---|---|---|
| GPIO Expansion Board Raspberry PI 4B3 | Rs 841 | GPIO expansion board for Raspberry Pi 4B and 3-series boards |
| 3 in 1 Black Aluminum Heat Sink for Raspberry Pi 4B | Rs 67 | Black aluminium heat sink set for the Pi 4B |
| 3 in 1 Gold Aluminum Heat Sink for Raspberry Pi 4B | Rs 42 | Gold-finish aluminium heat sink set for the Pi 4B |
| 4 in 1 Aluminium Heat Sink for Raspberry Pi 4B | Rs 99 | Four-piece aluminium heat sink kit for the Pi 4B |
How to get started
Once it's in your hands, connecting it is usually straightforward: seat the expansion board onto your Pi's GPIO header (or connect it via the ribbon cable, depending on how this one's designed), power down first, and double-check the orientation before you power back up. From there, you wire your sensors and modules to the expansion board instead of the bare Pi pins, which makes swapping components between projects a lot less fiddly. If you're running your Pi hard alongside all this extra wiring, a heat sink from the table above is a cheap way to keep temperatures friendly. And because exact pin mapping varies by board, keep the product page and Raspberry Pi's official GPIO documentation open while you wire things up.
GPIO Expansion Board Raspberry PI 4B3 specifications
You'll find the complete specs on the product page — worth a look before you buy.
Buy GPIO Expansion Board Raspberry PI 4B3 Online in India
You can order this from Tech Depot India and have it delivered anywhere in India, including Bengaluru, Delhi NCR, Hyderabad, Mumbai, and Chennai. We ship from our Bengaluru, Delhi NCR, and Hyderabad locations, and every order is prepaid through Razorpay (UPI, cards, or net banking) with a GST invoice included. Give it 8-10 working days to arrive, and rest easy knowing there's a 15-day warranty on manufacturing defects (just flag any issue within 5 days of delivery). Got questions? Reach out anytime on WhatsApp or email techdepotindia@gmail.com, and feel free to browse more boards and add-ons in the single-board computers collection.
Frequently asked questions
What does the GPIO Expansion Board Raspberry PI 4B3 cost in India?
You'll find it priced at Rs 841 on Tech Depot India.
How long will it take to reach me?
Delivery takes 8-10 working days, shipped pan-India from our Bengaluru, Delhi NCR, and Hyderabad hubs.
What happens if mine arrives with a defect?
You're covered by a 15-day warranty on manufacturing defects, as long as you report it within 5 days of delivery.
How can I pay, and do I get an invoice?
Orders are prepaid only through Razorpay (UPI, cards, or net banking), and a GST invoice comes with every order.
Will this board fit my exact Raspberry Pi model?
Double-check the product page and your board's documentation to be sure it matches your specific Pi setup before ordering.