KeensoONE CHANNEL RELAY MODULE 5VDC

1 Channel Relay Module, 5V 1 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for 5V/12V/24V(5V)

ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects

AZDelivery RFID Kit - MFRC522 Compatibel with RC522 RF IC Card Reader Sensor Module, RFID Chip Key Ring and S50 Card 13.56MHz I2C IIC SPI, Compatible with Arduino and Raspberry Pi including E-Book!