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This relay module can switch high voltage / high current with a 3V logic signal from a microcontroller. There's an optocoupler on the PCB to isolate and protect your circuit from noise. Works well with 3.3V devices like a Raspberry Pi and esp8266. Rated Relay voltage / current: 240VAC / 10ALogic signal voltage: 3V
LinkSprite’s latest serial port camera module can capture high resolution pictures and transport them over TTL serial, making it ideal for embedded applications. And it can do it in the dark, thanks to infrared LEDs. The infrared feature even has a built-in light sensor, so as soon as the ambient light gets low enough, it will automatically turn on the...
This is a breakout board for the fully integrated Hall Effect based linear ACS712 current sensor.The ACS712 gives precise current measurement for both AC and DC signals. It outputs an analog voltage output signal that varies linearly with sensed current.