NodeMCU (ESP8266) for wireless or NodeMCU (ESP32) for LAN Based.
This system is compatible with most universal coin acceptors. Select your brand and it will perfectly work in this system.
Designed for almost all MikroTik routers that have hotspot features. MikroTik router is the core component of your WI-FI hotspot machine.
An access point is a device that creates a wireless local area network, or WLAN, usually in an office or large building.
NodeMCU baseboard (optional for wireless) helps to organize your ESP8266/ESP32, power supply, coin slot, LED, and other components used.
Power Supply (12v for NodeMCU, another 12v for MikroTik). You need at least 12V 2A power adaptor to power your NodeMCU, coin slot, and other related components.
W5500 is LAN-based only. The W5500 chip is a hardwired TCP/IP embedded Ethernet controller that enables easier internet connection for embedded systems using SPI (Serial Peripheral Interface).
LM2596 or any DC to DC buck that can convert to 5v for (LAN-based only, since there is no available baseboard for ESP32).