Jmx-fn03-u1.2 3 Step Fan Speed Control Mini Rechargeable Fan Circuit 3.7v-4.2v Small Fan Motherboard Low Voltage Fan Circuit 3.7v Circuit Rechargeable Circuit With 3 Level Speed Control For 18650 Battery 3.7v Battery 4040 Aluminum Profile Connector Joint Security Products

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these wires are perfect for breadboard connections and DIY projects

pk is your one-stop destination for electronic components

it features auto power-off to help conserve battery life

5V instead of the conventional 0V

Jmx-fn03-u1.2 3 Step Fan Speed Control Mini Rechargeable Fan Circuit 3.7v-4.2v Small Fan Motherboard Low Voltage Fan Circuit 3.7v Circuit Rechargeable Circuit With 3 Level Speed Control For 18650 Battery 3.7v Battery 4040 Aluminum Profile Connector Joint Security ProductsShort description: Compact PWM dimmer for brushed DC motors and a controller for 3. 7V single cell battery charging not a boost converter (no coil inductor). The JMX FN03 U1. 2 is a compact PWM controller designed for motor speed control and simple 3. 7V single cell charge control tasks. It outputs a pulse width modulated signal for smooth, efficient control of brushed DC motors and can be used in basic battery charging arrangements when paired with