ESP32-S2-Saola

ESP32-S2-Saola is an IoT dev board based on the Espressif ESP32-S2 WROVER or WROOM SoCs. The board provides 2MB RAM, 4MB flash, WiFi, and numerous GPIOs, and plugs into carrier boards via a dual-row pin header.


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Product overview...
  • Board Name -- ESP32-S2-Saola
  • Category -- SBC
  • Model -- ESP32-S2-Saola-1
  • Manufacturer -- Espressif
  • Official website -- click here
  • Price -- $8 (USD)
  • Additional info may be found via this automated Google search
  • Posted 2020-09-04 5:53pm
System-on-Chip...
  • Espressif ESP32-S2 (WROVER or WROOM)
  • Primary processor type -- Tensilica Xtensa LX7 (RISC)
  • Primary processor word-width -- 32-bit
  • Primary processor cores -- 1
  • Primary processor clock rate (GHz) -- 0.24
Additional processors (if any)...
  • GPU (graphics) --
  • MCU (microcontroller) --
  • FPGA (gates) --
  • Other (DSP, FPU, NPU, TPU, AI...) --
System RAM...
  • Maximum capacity (GB) -- 0.002
  • Type -- PSRAM
  • ECC support -- No
  • Factory installed? -- Yes
On-board solid-state storage...
  • Maximum capacity (GB) -- 0.004
  • Type -- SPI
  • Factory installed? -- Yes
Removable solid-state storage...
  • Interface type --
  • m.2 interfaces --
  • m.2 NVMe support --
SATA support...
  • SATA ports --
USB ports...
  • USB host ports --
  • USB OTG ports -- 1
  • USB port types -- microUSB
Ethernet...
  • Ethernet interfaces --
  • Maximum LAN speed (Mbps) --
  • Wake-on-LAN support? --
Wireless...
  • WiFi -- 802.11 b/g/n
  • Bluetooth --
  • Broadband --
  • LoRa --
HDMI...
  • Number of HDMI ports --
  • HDMI version --
  • Max. HDMI resolution --
  • FPS at max. resolution --
Other display interfaces...
  • Composite video (CVBS) ports --
  • Other display interfaces (DSI, LVDS, VGA...) -- 2× LCD interfaces (via SPI, I2S)
Camera interfaces...
  • Number of camera ports -- 1
  • Camera interface types -- DVP 8/16 (via I2S)
Audio I/O...
  • Analog output ports --
  • Audio connector type --
  • Audio via HDMI? -- 0
  • I2S interfaces --
  • SPDIF interfaces --
  • Line inputs --
  • Mic inputs --
  • On-board microphones --
Other I/O...
  • GPIO -- 43
  • ADC -- 2
  • PWM -- 8
  • SPI -- 4
  • I2C -- 2
  • UARTs -- 2
  • RS232 (or 485 or 422) --
  • IR receiver -- No
Expansion connector compatibility?
  • Arduino compatible -- No
  • Raspberry Pi compatible -- No
Miscellaneous functions...
  • Real time clock (RTC) support -- yes
  • PMIC/PMU (power management controllers) --
  • Lithium battery support --
Operating system support...
  • Linux --
  • Android --
  • Windows --
  • Other OSes -- CMake and Ninja SDK to build ESP32-S2 applications
Other features not listed elsewhere:

* LED_PWM, up to 8 channels
* 2x 12-bit SAR ADCs, up to 20x channels
* 1x full-speed USB OTG
* 2x 8-bit DACs
* 1x temperature sensor
* 14x touch-sensing I/Os
* Boot and Reset buttons
* Addressable RGB LED
* DC power input via 5V or 3.3V hader pins, or via the micro-USB port

Physical specs...
  • Width (mm) -- 54
  • Height (mm) -- 28
  • Depth (mm) --
  • Weight (gm) --
  • Input voltage, min. (V) -- 3.3
  • Input voltage, max. (V) -- 5
  • Input current, min. (A) --
  • Input current, max. (A) --
  • Operating temp., min. (°C) --
  • Operating temp., max. (°C) --
  • Certifications --

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