Breadboard 1660-Tie Point BB-2T4D Real Time Clock While the included 1 remote

While the included 1 remote controls transmit strong signal that can pass through walls

74HC125N (Quad 3-State Buffer)

The terminals are labeled with positive/negative

Wifi ESP8266 1f breakout

object detection

Breadboard 1660-Tie Point BB-2T4D Real Time Clock While the included 1 remoteIntroduction : The breadboard is designed for electronic circuits without soldering design and manufacturing. Due to a variety of electronic components can be inserted or pulled as needed, eliminating the need for soldering. Saves circuit assembly time, and components can be reused. Rows and columns have corresponding letters and numbers, reducing error handling. It is very suitable for electronic circuit assembly, commissioning and training.