The TP4056 charge controller manages battery charging and protection. The boost converter steps up the 3.3V from the battery to 9V for the AD8317 sensor. All GND connections should be common.

Computer Vision library for human-computer interaction. It implements Head Pose and Gaze Direction Estimation Using Convolutional Neural Networks, Skin Detection through Backprojection, Motion ...

The motion sensor range can reach up to 30 feet.The wireless range from each sensors to the receiver can reach up to 1/2 mile. You can also use this driveway alarm as your remote driveway doorbell.

The present IP is a VCC Detector (VDT) circuit, which prevents the possibilities of causing Flash writing failure or internal operation failure by unstable supply voltage. It detects the voltage level ...