Video doorbells are getting smarter all the time, with two-way talk, animal alerts and even built-in radar tracking. These are the smartest doorbell cameras of them all.

Arduino, XIAO ESP32-C3, LD2410 24GHz presence sensor, Buzzer, TM1637 Unexpeced approaching behind when riding frightened me sometimes, although ready made products are in the market, I made bicycle ...

In this work, we developed a flexible and stretchable bending sensor that is made of graphene film decorated with dense pores and sealed with both polyethylene terephthalate (PET) and elastic rubber ...

A comprehensive collection of basic Arduino codes and projects for various components, including Bluetooth, servo motor, ultrasonic sensor, LED, IR sensor, L298 motor driver, 4WD RC car, omni wheels ...