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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
it is a mini WIFI board based on ESP-8266EX
providing a convenient solution for users who want to keep their batteries ready for deployment
The battery capacity has been upgraded to 390mAh
Screw terminal connectors for easy motor connection
The controller has an operating frequency of 25KHZ and reverses polarity protection
Tactile 4 Pin Push Button Switch - Pack of 5 (12x12x7.3 mm) Other Mechanical Accessories it is a mini WIFITactile 4 Pin Push Button Switch Pack of 5 (12x12x7. 3 mm) 6x6x6mm Tactile 4 Pin Push Button Switch is widely used as a standard input buttons on electronic projects. These push button switch work best when you mount it on PCB but can also be used on a solderless breadboard for temporary connections in prototypes. The pins are normally open (disconnected) and when the button is pressed they are momentarily closed and complete the circuit. This tact