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TTP223B 1-Way Capacitive Touch Switch module
TTP223B 1-way capacitive touch switch module with digital output—perfect for touch-activated switches, home automation, and DIY electronics projects.
The TTP223B 1-Way Capacitive Touch Switch Module is a compact and reliable sensor designed to replace traditional mechanical switches with a touch-sensitive interface. It features a single-touch input that provides a digital output, allowing it to easily interface with microcontrollers such as Arduino, ESP32, ESP8266, and Raspberry Pi.
Operating at a wide voltage range (2V–5.5V), the module is highly responsive and requires only a light touch to trigger. Its small form factor makes it ideal for touch-activated lights, home automation, DIY electronics, and interactive projects. The TTP223B module offers low power consumption, stable performance, and easy integration, making it suitable for both beginners and advanced electronics projects.

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- Shield type:Â Arduino Nano
- Firmware:Â GRBL
- Modular stepper motor drivers:Â 3
- Limit switches:Â 6
- Micro-stepping:Â 1/16
- Coolant enable
- Uses removable Pololu A4988 compatible stepper drivers. (A4988, DRV8825, and others) (Not Included)
- Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping )
- Compact design.
- Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
- Please note that this is an unassembled kit and needs soldering.
- Latest Arduino CNC Shield Version 3.51
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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;

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