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Two tiny green circuit boards with pin headers and a small reset button

KEHIPI

KEHIPI ESP32-C3 SuperMini Development Board 2PCS

SKU CH-0GAF-RQMNX

Ultra-compact ESP32-C3 board with 32-bit RISC-V CPU at 160 MHz, 11 GPIO, 4 ADC, Wi-Fi 802.11 b/g/n and Bluetooth 5.0 for space-constrained IoT projects

  • Ultra-compact single-sided design fits space-constrained IoT projects
  • 32-bit RISC-V CPU at 160 MHz with FPU delivers strong compute power
  • 400 KB SRAM plus external QSPI flash enables multitasking applications
  • Wi-Fi 802.11 b/g/n and Bluetooth 5.0 BLE provide reliable wireless links
  • 11 GPIO with PWM plus 4 ADC pins support versatile sensor interfacing

Ultra-compact IoT board

The KEHIPI ESP32-C3 SuperMini is an ultra-compact development board built around the ESP32-C3 Wi-Fi and Bluetooth 5.0 dual-mode chip. Its single-sided surface-mount design keeps the footprint minimal for space-constrained projects. The board delivers a 32-bit RISC-V CPU running at 160 MHz with 400 KB SRAM and external QSPI flash expansion. It suits developers creating low-power IoT and wearable applications.

Upgrade from larger modules

This board replaces bulkier development platforms when physical size and power draw are the limiting factors. The jump is worth it when a project demands integrated Wi-Fi 802.11 b/g/n and Bluetooth 5.0 LE in a form factor that fits inside small enclosures. It also moves from older single-protocol boards to a single chip handling both wireless standards with a floating-point unit for heavier math.

Build integration needs

The board provides 11 GPIO pins supporting digital I/O and PWM, plus 4 ADC pins for analog sensors. Communication options include UART, I2C and SPI for peripheral expansion. An external antenna improves signal strength in tight spaces. On-board reset and bootloader buttons simplify development workflows. The design frees up PCB area and power budget for batteries or additional sensors in compact devices.

Pontos fortes

  • Ultra-compact single-sided design fits space-constrained IoT projects
  • 32-bit RISC-V CPU at 160 MHz with FPU delivers strong compute power
  • 400 KB SRAM plus external QSPI flash enables multitasking applications
  • Wi-Fi 802.11 b/g/n and Bluetooth 5.0 BLE provide reliable wireless links
  • 11 GPIO with PWM plus 4 ADC pins support versatile sensor interfacing

Especificações

BrandAITRIP

Perguntas sobre este artigo

How many GPIO pins does the board expose for connecting sensors or actuators?

The board provides 11 GPIO pins that can be used as digital I/O or PWM outputs.

What is the correct way to put the ESP32-C3 SuperMini into programming mode?

Hold the bootloader mode button while pressing and releasing the reset button, then release the bootloader button.

How much SRAM is available for runtime variables and buffers?

The ESP32-C3 chip includes 400 KB of SRAM for program execution and data storage.

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