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Tinker Tailor

ESP32 C3 Board with 25 Lights Matrix

ESP32 C3 Board with 25 Lights Matrix

$24.75 CAD
$24.75 CAD
Sale Sold out
Shipping calculated at checkout.

An ultra-compact ESP32-C3 dev board with a built-in 5×5 matrix of 25 WS2812B-1515 RGB LEDs — perfect for wearables, IoT sensors, and any project that needs wireless connectivity plus dazzling visual output in a tiny footprint.

Key Features

  • SoC: ESP32-C3FH4, RISC-V 32-bit @ 160MHz
  • Memory: 400KB SRAM, 4MB Flash
  • Wireless: 2.4GHz WiFi + Bluetooth 5 LE (long-range)
  • Security: RSA-3072 secure boot, AES-128-XTS flash encryption
  • Display: 25 × WS2812B-1515 RGB LEDs in a 5×5 matrix
  • USB: USB-C (CH340E USB-to-TTL)
  • GPIO: 11 GPIOs via 2 × 7-pin headers + 4-pin header
  • Power: 5V → 3.3V DC/DC (2 channels)
  • Buttons: Enable + User
  • Dimensions: 21 × 18mm | Weight: ~2.3g

Getting started

  • Compatible with Arduino IDE, MicroPython, ESP-IDF
  • To view Serial Monitor output: Tools → USB CDC On Boot → Enabled
  • Upload tip: Hold B, press & release R, keep holding B, trigger upload in Arduino IDE, release B when connected
  • GitHub examples: ESP32-C3FH4-RGB | ESP32-PICO-D4-RGB

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