Full-colour e-paper without a backlight — sounds like a contradiction until you see it working. The Waveshare 4.01inch 640×400 Pixels ACeP 7-Color E-Paper E-Ink Display HAT for Raspberry Pi is priced at Rs 5,530 at Tech Depot India, and it's one of the more exciting display HATs to build with.
What is the Waveshare 4.01inch ACeP 7-Color E-Paper HAT?
ACeP stands for Advanced Color e-Paper, and as the name on this HAT promises, it displays 7 colors at 640×400 pixels on a 4.01-inch panel — all without a backlight, since e-paper reflects ambient light the way actual paper does. Mounted as a HAT, it plugs straight onto your Raspberry Pi's GPIO header, so there's no separate display driver board to wire up.
If you've been itching to try color e-ink instead of the usual black-and-white or three-color panels, this 7-color ACeP display is a fantastic entry point for a weekend build.
Waveshare 4.01inch ACeP 7-Color E-Paper HAT projects — what you can build
- A full-color digital photo frame that only sips power between refreshes
- A colorful weather or calendar dashboard for a desk or wall
- An always-visible, color-coded status board for a smart home setup
- A vibrant e-paper signage panel for events, stalls, or small shops
- A color infographic or data-art display for a maker showcase
- A daylight-readable color menu board for a small café counter
Waveshare and related Raspberry Pi HAT options compared
| Product | Price | Notes |
|---|---|---|
| Waveshare 4.01inch 640×400 Pixels ACeP 7-Color E-Paper E-Ink Display HAT for Raspberry Pi | Rs 5,530 | 7-color ACeP e-paper HAT, 640×400 |
| 2-Channel Isolated CAN FD Expansion HAT for Raspberry Pi | Rs 4,542 | Isolated dual-channel CAN FD expansion HAT |
| 2.4inch Raspberry Pi Display Hat - 4D Systems | Rs 4,699 | 2.4-inch display HAT from 4D Systems |
| 7.5-inch E-Ink Paper display HAT for Raspberry Pi | Rs 7,087 | Larger 7.5-inch e-paper HAT |
How to get started with color e-paper on Raspberry Pi
Once your HAT is mounted, the general workflow for e-paper projects is to prepare the image or content you want shown, convert it to the color palette the panel supports, and push a refresh through the driver library for your board. Because ACeP panels refresh more slowly than an LCD, plan your project around content that changes occasionally rather than something needing constant updates — a photo frame or dashboard that refreshes every few minutes or hours is a natural fit. Keep the HAT firmly seated on the GPIO header and give the display a stable power source, since inconsistent power during a refresh cycle can affect how cleanly the image renders.
Waveshare 4.01inch 640×400 Pixels ACeP 7-Color E-Paper E-Ink Display HAT for Raspberry Pi specifications
For full, up-to-date Waveshare 4.01inch 640×400 Pixels ACeP 7-Color E-Paper E-Ink Display HAT for Raspberry Pi Specifications, check the product page rather than relying on a summary here.
Buy Waveshare 4.01inch 640×400 Pixels ACeP 7-Color E-Paper E-Ink Display HAT for Raspberry Pi Online in India
Tech Depot India ships this color e-paper HAT pan-India — Bengaluru, Delhi NCR, Hyderabad, Mumbai and Chennai included — with a GST invoice on every order. Hunting Waveshare 4.01inch 640×400 Pixels ACeP 7-Color E-Paper E-Ink Display HAT for Raspberry Pi India listings? Orders here are prepaid only via Razorpay (UPI, cards or net-banking), with delivery in 8-10 working days from dispatch. For makers wanting to try color e-ink for the first time, this is genuinely one of the best Waveshare 4.01inch 640×400 Pixels ACeP 7-Color E-Paper E-Ink Display HAT for Raspberry Pi options to start experimenting with, backed by a 15-day warranty against manufacturing defects (report within 5 days of delivery). Questions about wiring it up or picking between HATs? Reach us on WhatsApp or email techdepotindia@gmail.com, or browse the wider single-board computers collection.
Frequently asked questions
What is the Waveshare 4.01inch 640×400 Pixels ACeP 7-Color E-Paper E-Ink Display HAT for Raspberry Pi Price in India?
It's priced at Rs 5,530 on Tech Depot India.
How long does delivery take?
Orders ship from Bengaluru, Delhi NCR or Hyderabad and typically arrive within 8-10 working days, pan-India.
What warranty applies to this HAT?
It carries a 15-day warranty covering manufacturing defects, provided the issue is reported within 5 days of delivery.
What payment methods are accepted?
Tech Depot India accepts prepaid payments only, via Razorpay (UPI, cards, net-banking), and a GST invoice is issued with every order.
Will this HAT work with my Raspberry Pi model?
HAT compatibility can depend on your specific board and GPIO layout, so check the product page and your board's documentation to confirm fit before ordering.