€ 24.73
Znchgdtre CardKB2 Compact embedded control IoT card-sized keyboard suitable for wireless input, HMI, and education projects.
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Description
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The unit features an onboard HY2.0-4P expansion interface and a USB Type-C port for power supply and firmware flashing. Unit CardKB2 is a card-sized 42-key portable keyboard input unit. Its compact and form factor makes it ideal for on-the-go use and embedded integration. Powered by an -C61HF4 MCU with built-in 2.4 GHz Wi-Fi 6 support, the pre-installed firmware allows flexible configuration across four communication modes: , UART, BLE HID, and ESP-NOW. Additional hardware includes an RGB LED status indicator, a reset button, and a Boot button. Input power overvoltage protection is also integrated, making this unit well-suited for wireless input, interactive control, and a wide range of portable application scenarios.
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Description
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The unit features an onboard HY2.0-4P expansion interface and a USB Type-C port for power supply and firmware flashing. Unit CardKB2 is a card-sized 42-key portable keyboard input unit. Its compact and form factor makes it ideal for on-the-go use and embedded integration. Powered by an -C61HF4 MCU with built-in 2.4 GHz Wi-Fi 6 support, the pre-installed firmware allows flexible configuration across four communication modes: , UART, BLE HID, and ESP-NOW. Additional hardware includes an RGB LED status indicator, a reset button, and a Boot button. Input power overvoltage protection is also integrated, making this unit well-suited for wireless input, interactive control, and a wide range of portable application scenarios.
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