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ESP32S 38-pin expansion board
ESP32S 38-pin expansion board for ESP32 dev modules—easy GPIO access, stable power, ideal for IoT and prototyping projects.
Description
The ESP32S 38-Pin Expansion Board is a convenient development and breakout board designed for ESP32S 38-pin ESP32 Dev Modules. It expands all GPIO pins to clearly labeled headers, making prototyping, testing, and project development easier and more organized.
This expansion board provides stable power distribution, onboard voltage regulation, and easy access to GPIO, UART, SPI, I²C, ADC, DAC, and PWM pins. It is ideal for quickly connecting sensors, displays, relays, motors, and other peripherals without complex wiring.
Compatible with Arduino IDE, ESP-IDF, and MicroPython, the ESP32S 38-pin expansion board is perfect for IoT development, robotics, home automation, and educational projects, offering a clean and reliable development platform.
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- Â Support 802.11b / n / g wireless standard
- Independent development MCU platform
- High cost performance
- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
HC-06 4Pin Bluetooth Module Without Reset Switch
- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
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- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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 Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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 Voice effect optimization
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 Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes
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