ravi.2k17
Advanced Member level 4
hi all,
i want to power up 5V 2-channel relay module with 3v3 pin of nodeMCU. Can it be directly connected or do i need some thing to step up voltage?
nodemcu is powered with 5v micro-usb cell charger. i do not want another/dedicated power source for relay module.
.
thanks
i want to power up 5V 2-channel relay module with 3v3 pin of nodeMCU. Can it be directly connected or do i need some thing to step up voltage?
nodemcu is powered with 5v micro-usb cell charger. i do not want another/dedicated power source for relay module.
2-Channel 5V Relay Module(Black) : rhydoLABZ INDIA
rhydoLABZ INDIA 2-Channel 5V Relay Module(Black) - 2-Channel 5V Relay Module is a relay interface board, it can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on. It uses a low level triggered control signal (3.3-5VDC) to control the relay...
www.rhydolabz.com
thanks