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Three tiny green circuit boards with pin headers and a silver chip, each measuring 22.52 by 18 mm

KEHIPI

KEHIPI 3PCS Supermini ESP32-S3 Development Board 160MHz

SKU CH-Z3HT-V579T

Three ultra-small ESP32-S3 boards with 160 MHz RISC-V cores, 2.4 GHz Wi-Fi and Bluetooth 5 for compact IoT projects

  • High-performance 32-bit RISC-V CPU at 160MHz
  • Bluetooth 5 LE and 2.4GHz Wi-Fi 802.11b/g/n connectivity
  • Eleven GPIO pins with PWM plus four ADC channels
  • Ultra-compact 22.52mm by 18mm board fits tight spaces
  • Three boards included for parallel development or spares

Three-board pack for IoT prototyping

This pack contains three ESP32-S3 development boards built around a 32-bit RISC-V core with an FPU. Each board runs at 160 MHz and includes 2.4 GHz Wi-Fi plus Bluetooth 5 connectivity. The ultra-small 22.52 x 18 mm footprint suits wearable and space-constrained IoT projects.

Sustained operation on battery-powered nodes

The low-power architecture maintains 160 MHz compute performance while drawing minimal current, allowing long runtime on small cells. On-board RF performance keeps 802.11 b/g/n links stable during continuous sensor polling or mesh routing. Thermal load stays low thanks to the efficient core and compact layout.

Eleven GPIO pins with PWM and ADC

Each board exposes 11 GPIO lines that support PWM output and four ADC channels for analogue sensing. This pin count covers typical actuator control and sensor reads without needing a port expander. Projects demanding more simultaneous I/O will need a larger module.

How it compares

Measured against everything we stock in Single-Board Computers & Dev Kits, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 84% of the 1,420 comparable items (median $44.99).

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Specifications

Product
Brand nameAITRIP

Questions about this item

How much current does the ESP32-S3 board draw when the 160 MHz dual-core processor runs Wi-Fi and Bluetooth 5 continuously?

The ESP32-S3 chip is designed for low-power IoT applications, so the 160 MHz RISC-V core with FPU and integrated 2.4 GHz radio keeps heat and power draw minimal during all-day operation.

Which host interface must my computer provide to program the 11 GPIO pins and 2 UART ports on this SuperMini board?

A standard USB port supplies both power and a serial link to the on-board USB-to-UART bridge, giving immediate access to the 11 GPIOs, 2 UARTs, I2C, SPI and 4 ADC channels.

Will the 2.4 GHz 802.11 b/g/n Wi-Fi and Bluetooth 5 (LE) on this board interfere with older 2.4 GHz peripherals I keep nearby?

The ESP32-S3 supports Station, SoftAP and mixed Wi-Fi modes plus Bluetooth 5 LE, so it coexists with legacy 2.4 GHz devices by sharing the same ISM band without requiring extra shielding.

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