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Interfacing 28BYJ-48 with ARM7-LPC2148
As like other optocouplers
You can use a cooling fan to carry away the heat from the hot side
To use this relay module first you have to decide whether you want to connect or disconnect your load when relay is operated
Dimensions: 180 X 70 X 1 cm
HC-05 Bluetooth Module heatsink Interfacing 28BYJ-48 with ARM7-LPC2148The IoT enabled projects require two way communication between the microcontroller and various sensors. There are various methods you can do that, Wired Communication, WiFi, Bluetooth are some among them. The HC 05 Bluetooth Module adds wireless communication to your project to communicate via Bluetooth to any Bluetooth enabled Laptop or Mobile Device. The module communicates at 9600 baud rate via USART protocol. It can be used in applications like
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