8 Channel Electromagnetic Relay Module with I2C Interface for Arduino Rapberry

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this is so nice! I left a comment on your video about the triac dimmer used to control the drill motor. Do you think you could help me with that?

Millerwave
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Hi Krida, Nice board, but how do I determine what batch mine is, so what address range I should use?

Ossehaar
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Where we found this device. Please send me links

arunghosh.
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We can make one at home using 74HC595.. it requires 3 digital wires to control..

sanketthakur