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7V Lithium Ion Polymer Battery — 2500mAh
11 digital I/O + 1 analog: Same GPIO count as NodeMCU
you don’t need to power it specifically since it gets the power directly from USB
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Ideal for Arduino project that has a lot of jumper wiring
IR Proximity Obstacle Avoidance Sensor Module Peristaltic Pump with ANTI-UV exchangeable pump head 7V Lithium Ion Polymer BatteryAdd Infrared Detection to Your Next Project The IR Proximity Obstacle Avoidance Sensor Module is an infrared proximity sensor with digital output designed for obstacle detection, touchless triggers, object counting, and simple automation. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Detection range: ~230 cm (adjustable; depends on target reflectivity); Adjustable range:
