Current Sensor (AC or DC) 5A Optical Flow image Magnetic Door Switch comprises two

Magnetic Door Switch comprises two parts the magnet and a magnetically sensitive switch

56 MHz is  it used for identifying employees at entrance ways and secured rooms of offices and access control and so on

Electronic board based on the HX711 chip

Humidity Range: 20% to 80%

Three 16-bit ADCs for digitizing the accelerometer outputs

Current Sensor (AC or DC) 5A Optical Flow image Magnetic Door Switch comprises twoIntroduction : Current Sensor ACS712 (AC or DC) 5A sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach