Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-C3 (RISC-V 32-bit) |
| Flash Memory | 4 MB |
| PSRAM | 2 MB |
| Wireless Connectivity | Wi-Fi 2.4 GHz, Bluetooth 5 (LE) |
| Display Interface | SPI optimized for E-Ink panels |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via USB-C or VIN pin |
| GPIO Pins | 22 programmable pins |
| Dimensions | 54mm x 28mm x 12mm |
| Programming Support | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 30, 2026
Rating: 5/5
Easy to get started
As someone new to ESP32, I found the Arduino library support very robust. The example codes for driving the display were easy to modify. No driver installation issues on Windows 11.
Anonymous
Mar 27, 2026
Rating: 5/5
Best board for this price point
I've tried several development boards for e-paper projects, and this one offers the best balance of cost and performance. The 2MB PSRAM helps significantly when handling larger image buffers for the display.
Anonymous
Mar 22, 2026
Rating: 4/5
Solid performance, gets warm
Does exactly what it says on the tin. The Wi-Fi connection is stable. It does get slightly warm during long compilation uploads or heavy Wi-Fi transmission, but nothing concerning for normal operation.
Anonymous
Mar 21, 2026
Rating: 4/5
Great value, minor documentation gaps
The hardware is solid and the RISC-V architecture is fast. I had to dig a bit to find the specific pinout mapping for the E-Ink CS line, but once configured, it runs stable. Good battery life in deep sleep mode.
Anonymous
Mar 20, 2026
Rating: 5/5
Low power consumption winner
I am building a remote sensor node, and the power draw on this C3 chip is impressive. Combined with an E-Ink screen that only updates when necessary, my battery lasts for weeks. USB-C charging is a nice bonus.
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect for E-Paper Projects
This board works flawlessly with my 2.9-inch E-Ink display. The SPI speed is excellent, and the refresh rates are much smoother than on my old ESP8266 setup. Highly recommended for weather stations.
Q: Does it support Over-The-Air (OTA) updates?
A: Absolutely. The ESP32-C3 fully supports OTA updates via Wi-Fi using both the Arduino framework and ESP-IDF, making it easy to deploy firmware fixes remotely.
Q: Can I power this directly from a 3.7V LiPo battery?
A: Yes, you can connect a 3.7V LiPo battery to the BAT pin if the board has a built-in charging circuit, or via the 5V VIN pin which regulates down to 3.3V. Please check the specific schematic for the charging IC limitations.
Q: Does this board come with headers pre-soldered?
A: No, the board is shipped without headers to allow for flexible mounting options. You will need to solder your own male or female headers depending on your project needs.
Q: What is the maximum resolution supported for E-Ink displays?
A: The resolution limit depends more on the available RAM and the display controller than the ESP32-C3 itself. With 2MB PSRAM, it comfortably handles common sizes up to 800x480 pixels, though refresh times may vary.
Q: Is this compatible with the Waveshare 4.2 inch E-Ink HAT?
A: Yes, it is compatible. You will need to connect the SPI pins (MOSI, MISO, SCK, CS, DC, RST, BUSY) manually via jumper wires as the form factor differs from standard Raspberry Pi HATs.
ASY Gravure Printing Machine for Plastic Film, 6-Color Flexographic Printer for Shopping Bags
$86,400.00
Coil Refractory Cement for Medium-Frequency Furnace Repair - Fine High-Temperature Bonding Agent for Copper Coils (White/Red)
$7,800.00
Over-Toilet Storage Rack - No-Drill Bathroom Organizer Shelf for Restrooms and Washrooms, Space-Saving Storage Solution
$8.90
NIU NXT Instrument Cover for FXT/FX Electric Scooters – Waterproof Protective Case and Modification Accessory
$6.50
Anlin FK1 Cheyenne Tattoo Pen Silent Model All-in-One for Lining and Shading
$221.25
![[Osstem Dental Implants] Imported Dental Crowns and Bridges by Aizhier Oral Care for Partial Tooth Loss](https://www.gosteppe.com/cache/small/product/269993/legacy-main-02952134e1556f7660e1525f.webp)
[Osstem Dental Implants] Imported Dental Crowns and Bridges by Aizhier Oral Care for Partial Tooth Loss
$230.00
Heavy-Duty Multi-Layer Warehouse Shelving Unit for Storage, Retail, and Home Use
$252.00
Rattle Car Teether Wooden Bead Educational Soothing Teething Set Baby Photo Prop
$15.00
Roast Duck and BBQ Warmer Cabinet - Constant Temperature Heating Display Case for Crispy Pork Belly and Hanging Ducks
$710.00
Traditional Handmade Baby Rattle with Chewable Sheepskin for Newborns
$12.50
5pcs Lily tubular length 7cm fish tank aquarium glass
$9.90
Data Cable Interface Safety Case for iPhone, Apple, and Android Charging Cables - Child and Pet Proof
$16.80
Commercial Roast Duck Warmer Cabinet Constant Temperature Food Heater Display Counter for Cooked Meat
$1,494.00
Over-Toilet Storage Rack - Multi-Layer Bathroom Organizer with No-Drill Installation for Tank and Supplies
$17.92
Natural 7A White Azeztulite Loose Beads for DIY Handmade Bracelets, Spacer Beads, Multi-Gem Jewelry Accessories
$2.07
Hanyue Cordura N66 Rafting Bag Outdoor Swimming Trekking Clothes Storage Ultra-Light Waterproof Dry Bag
$35.70
Electromagnetic Planetary Stir-Fry Pot Sugar Fillings Pre-made Dish Cooking Equipment Tomato Sauce Chili Sauce Stir-Fry Machine
$3,940.00
Factory Direct 6L Stainless Steel Round Buffet Warmer - Electric Heating with Flip-Top Lid for Hotel and Restaurant Use
$764.00
Polishing Workshop Grinding Platform Plasma Cutting Welding Fume Dust Removal Environmental Equipment 3000 Airflow Grinding Platform
$6,000.00
Tongyue Food Warmer Cabinet - Large Capacity Home Kitchen Hot Dish Heater for Autumn and Winter
$607.20
Taikang Bybo Dental - Swiss Straumann ITI Dental Implants with Metal Abutments (TK)
$20,000.00
Marie's Sketching Blending Stump Set for Artists - Highlight, Shadow, and Detail Tools with Silicone Tips and Sponge Blenders
$15.30
Bottled Water Stand – Inverted Rack with Pump Dispenser for Large Mineral/Pure Water Jugs
$18.50
Sketching Blending Stump Set - Fine & Round Tip Tools with Replaceable Sponge Heads for Highlight Creation, Drawing Correction, and Tracing
$7.26
Automatic Retractable Air Hose Reel Auto Repair Car Wash Shop Electric Reel Water Drum PU Air Pipe Sandblasting Hose
$72.20
![[Live Stream Exclusive] Taikang Bybo Dental - South Korean Dentium Dental Implants for Tooth Loss Restoration](https://www.gosteppe.com/cache/small/product/269973/legacy-main-5e274b6981a80a22f7dc25a6.webp)
[Live Stream Exclusive] Taikang Bybo Dental - South Korean Dentium Dental Implants for Tooth Loss Restoration
$2,480.00
Food-Grade Silicone Soap Mold - Toast Shape with Little Angel Design zx228
$19.40
Ultra-Fast High-Adhesion Strong Clear Packing Tape 4.5/5.5 Width Packaging Tape Large Roll Free Shipping Extra Sticky Type
$729.50
Genuine Yokohama Tires 205/215/225/235/245 45/50/55/60/65 R16/17/18/19
$220.00
Marie's Paper Blending Pen Set for Soft Sketches and Pastels - Professional Art Student Tools Including Blending Knives, Balls, Sponges, and Egg-Shaped Blenders for Oil Pastels and Drawing on Newsprint or Xuan Paper
$3.80
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
