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8Ah (7800 mAh)
8k bytes of flash program memory
Specifications of ESP8266EX Single-core 32-bit MCU Wi-Fi SoC:
You can set it as slave or master
4x1 Key Matrix Membrane Switch Keypad [C] Battery Modules Country of OriginThe 41 Key Matrix Membrane Switch Keypad is a compact and lightweight keypad designed for user interface applications in embedded systems, microcontrollers, and automation projects. It features four tactile keys arranged in a single row layout, making it ideal for menu navigation, password entry, or custom control functions. The flexible membrane design allows for easy integration into various electronic projects while ensuring durability and
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