NodeMCU ESP8266 Expansion Base Board
4-Channel 5V Relay Module for Arduino with Optocoupler
1 × ₹240.00
74HC10 7410 IC Triple 3 Input NAND Gate IC
1 × ₹20.00
1-Channel 5V Relay Module for Arduino
1 × ₹59.00 Subtotal: ₹319.00
NodeMCU ESP8266 Expansion Base Board

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