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2768MHz Crystal Oscillator is a highly precise electronic component designed to generate a stable oscillating signal at a frequency of 3
Pin 3: Output (open collector)
An external amplifier module (e
Unlike the reduced slew-rate variants (MAX483
it comes with a temperature sensor
LDR light detection sensor module 4-pin — analog and digital output, LM393, Arduino compatible EM4100 Reader 2768MHz Crystal Oscillator is aThis 4 pin LDR (Light Dependent Resistor) sensor module combines a photoresistor with an LM393 voltage comparator to deliver both analog and digital light intensity outputs from a single compact board. The digital threshold is user adjustable via an onboard potentiometer, making it easy to set the exact light level that triggers the digital output no code changes required. It is compatible with Arduino, ESP32, Raspberry Pi, and any 3. 3V or 5V
