0.66 Inch OLED Display Shield for D1 Mini (HW-699) Finger Print Sensor It's a 225mAh 3v Lithium

It's a 225mAh 3v Lithium coin cell battery

The ON/OFF Momentary type push switch is used in control circuits for controlling the contactor

Model LRS-100-12 Brand Meanwell DC Voltage 12V Rated Current 8

Applications range: The remote control is widely used

0.66 Inch OLED Display Shield for D1 Mini (HW-699) Finger Print Sensor It's a 225mAh 3v LithiumThis is an HW 699 OLED Display Module for the D1 Mini Development Board. This display module is a 0. 66 inch mini display with high visibility in any light condition, dark or bright, and can be powered by a 3. 3V DC. This display shield has an onboard reset circuitry and can communicate via the serial I2C interface, which requires only two data pins to connect to the module. Features Fast response: This product is an OLED display with a faster