ESP32-C3 OLED development board with 0.42 inch OLED module ceramic antenna ESP32 supermini development board wifi Bluetooth

ESP32-C3 OLED Development Board – 0.42″ OLED, Ceramic Antenna, WiFi & Bluetooth

Unlock the full potential of the ESP32‑C3 with this compact, feature‑rich development board. Designed for rapid prototyping and IoT applications, it integrates a crystal‑clear 0.42‑inch OLED display, a high‑gain ceramic antenna, and dual‑mode WiFi/Bluetooth connectivity—all in a super‑mini footprint that fits effortlessly into your projects.

Key Highlights

• **Core**: ESP32‑C3 single‑core 240 MHz RISC‑V processor with 400 Mbps WiFi & Bluetooth 5.0
• **Display**: 0.42″ 128×64 OLED (I²C) – vibrant, low‑power visual output
• **Antenna**: Built‑in ceramic antenna for reliable wireless range and reduced board space
• **Memory**: 448 KB SRAM, 4 MB external flash – ample space for firmware and data
• **I/O**: 22 GPIOs, UART, SPI, I²C, PWM, ADC, DAC – flexible interfacing
• **Power**: 3.3 V regulator, USB‑C powered, low‑power deep‑sleep mode
• **Form Factor**: 28 mm × 28 mm super‑mini layout, ideal for wearable or embedded devices
• **Software**: Compatible with Arduino, ESP-IDF, MicroPython, and more

Technical Specifications

Processor: ESP32‑C3 (RISC‑V, 240 MHz) – 32‑bit single core

Wireless: 802.11b/g/n (WiFi), Bluetooth 5.0 (LE)

Memory: 448 KB SRAM, 4 MB external flash

Display: 0.42″ OLED, 128×64 pixels, I²C interface

Power: 3.3 V, 5 V USB‑C input, 2.5 W max

Dimensions: 28 mm × 28 mm × 3.5 mm

Operating Temperature: –40 °C to +85 °C

Applications

This board is perfect for:

• IoT sensors and smart home devices
• Wearable electronics with real‑time display
• Wireless prototypes and rapid product development
• Educational kits for learning embedded systems
• Custom consumer gadgets requiring compact form factor

Why Choose the ESP32-C3 OLED Development Board?

With its integrated OLED display and ceramic antenna, this board eliminates the need for additional modules, saving space and simplifying design. The ESP32‑C3’s low power consumption and dual‑mode connectivity make it ideal for battery‑powered applications, while the extensive I/O support ensures compatibility with a wide range of sensors and actuators. Whether you’re a hobbyist or a professional engineer, this super‑mini board delivers performance, flexibility, and ease of use in one sleek package.

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Price: $ 5.88 Original price was: $ 5.88.$ 3.02Current price is: $ 3.02.

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