M5Stack -

M5Stamp C3U - ESP32-C3

Regular price $19.00
Sale price $19.00 Regular price
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M5Stamp C3U - ESP32-C3

M5Stamp C3U - ESP32-C3

Product description
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Shipping & Returns
Product description

The M5Stamp C3U is a compact and powerful device featuring the ESPRESSIF ESP32-C3 RISC-V microcontroller and Wi-Fi 5 (LE) connectivity, making it suitable for both home appliances and industrial automation. It boasts advanced security features including RSA-3072-based secure boot and AES-128-XTS-based flash encryption. Its compact size and versatile capabilities make it ideal for a variety of IoT applications.

The M5Stamp C3U is based on 32-bit RISC-V microcontroller technology, operating at a maximum clock frequency of 160 MHz and has 400 KB of internal RAM and 4 MB Flash, this enables it to handle a wide range of connected device use cases. Additionally, the device features an exceptional heat resistance plastic enclosure, which can sustain a higher operating temperature.

Product Features

  • Three  soldering options are available (SMT, DIP, flywire)
  • High-temperature resistant plastic enclosure, Peak temperature = 230℃
  • M5Stamp C3 contains 5V->3.3V DC/DC design
  • GPIOx14
  • USB Type C port
  • Programmable RGB LED x1, Reset button x1, button x1
  • 3D antenna, providing stable and reliable wireless communication.
  • Platform support: Arduino, ESP32-IDF (UIFlow support coming soon)


  • 1 x M5Stamp C3U
  • 1 x Heat Resistant Sticker
  • 1x Headers set (optional)
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Shipping & Returns

All orders will ship next business day with fast tracked shipping.

All stock ships from our location in Melbourne, Vic  (unless item is listed as pre-order or special order item).

Shipping Rates (Australia)

  • Free standard shipping on orders over $99 excluding orders with bulky items
  • $10 Flat rate standard shipping on most orders (2-6+ days to most locations)
  • $15 Express shipping (1-2+ days to metro locations)
  • For orders with bulky or heavy items exact shipping costs will be calculated at checkout.

We use Sendle or Australia Postage for all deliveries.

Shipping Rates (New Zealand)

  •  Calculated based on order weight. (estimate 5-14 days).

Shipping rates (International)

We offer International shipping to most countries, including New Zealand.
The shipping rate will be calculated at checkout based on order weight. The customer will be responsible for any import duties or taxes. Free shipping does not apply on international orders at this time. If your country is not  available for automatic calculation at checkout please contact us for a quote

Buyer protection

Depending on your chosen payment method, your order should be covered by either Shopify or Paypal buyer protection schemes, please see their respective policies for more details.


We offer FREE basic technical support on all orders to help you get up and running with your purchase. Please contact us with any questions you may have.

Return Policy

We want you to be 100% satisfied with your order, we accept returns for any reason including change of mind. Please contact us with in 30 days of delivery of your order to initiate a return. Once your return is approved we will provide instructions on how to return your items.

Once your items have been received and inspected you will receive a full refund (excluding original postage costs) back to your original payment method. Items must be unused and include all original packaging to be eligible for a refund.

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