The Franzininho WiFi Board is a development board based on the ESP32-S2-WROOM module.
For more details, check the official documentation:
Franzininho WiFi Documentation
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ESP32-S2-WROOM Module
- Xtensa® single-core 32-bit LX7 microcontroller running at up to 240 MHz
- Memory:
- 128 KB ROM
- 320 KB SRAM
- 16 KB RTC SRAM
- 4 MB Flash
- Wi-Fi 802.11 b/g/n
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Interfaces
- GPIO, SPI, LCD, UART, I2C, I2S
- Camera, IR, pulse counter, LED PWM
- TWAI (CAN), USB 1.1 OTG
- ADC, DAC, touch sensor, internal temperature sensor
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Pinout
- 40 pins arranged in 2x20 headers (2.54 mm pitch)
- 35 GPIOs available
- Breadboard compatible
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LEDs
- 2 general-purpose LEDs
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Buttons
- 1 × Reset
- 1 × Boot
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USB
- Micro USB connector (USB 1.1 OTG)
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Power Supply
- 5V via USB connector
- 5V and GND via pins
- 3.3V and GND via pins
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Programming Support
- ESP-IDF
- Arduino
- CircuitPython
- MicroPython
This project is open-source hardware and is available under the CERN Open Hardware License.