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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
or custom voltages from a 5V USB supply for motors
Module Type 1 Channel Relay Module (High-Power) Control Signal Voltage 5V DC (Logic Level) Relay Rating (AC) 30A @ 250VAC Relay Rating (DC) 30A @ 30VDC Trigger Type Active Low (Low-level trigger) Isolation Optocoupler isolated (input/output separation) Contact Configuration NO (Normally Open) + NC (Normally Closed) + COM (Common) Relay Type SPDT (Single Pole Double Throw) Coil Power Consumption ~150-200mA at 5V Switching Time <=10ms Mechanical Life >=100
Every board is genuine and comes with full manufacturer backing
4 Hardware Serial Ports: Communicate simultaneously with GPS modules
Heart Rate Pulse Sensor Module iot or custom voltages from a```html Heart Rate Pulse Sensor Module Monitor real time heartbeat and pulse data with this plug and play Heart Rate Pulse Sensor Module from The Engineer Store, Bengaluru. Designed for Arduino, ESP32, Raspberry Pi, and other microcontroller platforms, this optical sensor clips onto a fingertip or earlobe and outputs an analog signal that corresponds to your cardiac rhythm. Fast shipping, 7 day warranty on manufacturing defects, and dedicated