Breadboard 1660-Tie Point BB-2T4D Real Time Clock Non-inverting digital inputs are TTL

Non-inverting digital inputs are TTL and CMOS compatible

This coin acceptor also has a coin inhibitor

Wifi ESP8266 1f breakout

but its effective range and accuracy (noise) depend heavily on ambient conditions and target characteristics like reflectance and size

JST 5-pin 30cm 2

Breadboard 1660-Tie Point BB-2T4D Real Time Clock Non-inverting digital inputs are TTLIntroduction : 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.