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ESP-12E ESP8266 NodeMCU Lua CH340 V3 development board
ESP-12E ESP8266 NodeMCU Lua CH340 V3 development board with Wi-Fi—Arduino compatible, ideal for IoT, home automation, and DIY electronics.
Description
The ESP-12E ESP8266 NodeMCU Lua CH340 V3 Development Board is a versatile Wi-Fi development platform based on the ESP8266 Wi-Fi SoC. It integrates the ESP-12E module with a USB-to-serial CH340 V3 chip, enabling easy programming and power via micro-USB.
The board supports the NodeMCU Lua firmware and is fully compatible with the Arduino IDE, allowing rapid prototyping of IoT, home automation, and wireless sensor network projects. It features multiple GPIO pins, PWM, ADC, UART, SPI, and I²C interfaces, providing flexibility to connect sensors, actuators, displays, and other peripherals.
Compact yet powerful, this ESP8266 development board is ideal for Wi-Fi-enabled projects, smart home systems, robotics, and DIY IoT applications, offering a reliable and cost-effective solution for hobbyists and engineers alike.
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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
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- Provide rich AT command set configuration
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- 3 AA batteries / 5V adapter power supply
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Text to Speech TTL Module (Serial to Speech)
-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- 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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