![Can someone explain why do I need a MOSFET and a resistor to change the brightness of a strip led? - General Electronics - Arduino Forum Can someone explain why do I need a MOSFET and a resistor to change the brightness of a strip led? - General Electronics - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/8/1/0/8104291674f5919d08c45b9399fd9bd11a396e79_2_1024x678.jpeg)
Can someone explain why do I need a MOSFET and a resistor to change the brightness of a strip led? - General Electronics - Arduino Forum
PWM LEDs: Pulse Width Modulation for Dimming Systems and Other Applications | Advanced PCB Design Bl
![power electronics - Proper Way to PWM (Voltage Control) Dim LED Strip - Electrical Engineering Stack Exchange power electronics - Proper Way to PWM (Voltage Control) Dim LED Strip - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/tkyiO.png)
power electronics - Proper Way to PWM (Voltage Control) Dim LED Strip - Electrical Engineering Stack Exchange
![DC5V-24V SP630E All In One LED Controller SPI Pixels 5CH RGB RGBW RGBCCT PWM LED Light WS2811 5050 3528 FCOB 2.4G Remote Control DC5V-24V SP630E All In One LED Controller SPI Pixels 5CH RGB RGBW RGBCCT PWM LED Light WS2811 5050 3528 FCOB 2.4G Remote Control](https://ae01.alicdn.com/kf/S66328958dd7b4f3ebe4537d7bc3dfbadO.jpg?width=1000&height=1000&hash=2000)
DC5V-24V SP630E All In One LED Controller SPI Pixels 5CH RGB RGBW RGBCCT PWM LED Light WS2811 5050 3528 FCOB 2.4G Remote Control
![Adafruit NeoPixel Digital RGB LED Strip - White 60 LED [WHITE] : ID 1138 : $99.80 : Adafruit Industries, Unique & fun DIY electronics and kits Adafruit NeoPixel Digital RGB LED Strip - White 60 LED [WHITE] : ID 1138 : $99.80 : Adafruit Industries, Unique & fun DIY electronics and kits](https://www.adafruit.com/includes/templates/shop2019/images/stripes_arrows.jpg)
Adafruit NeoPixel Digital RGB LED Strip - White 60 LED [WHITE] : ID 1138 : $99.80 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: ALITOVE Addressable RGB PC LED Strip for 3 Pin 5V ADD-RGB Header on Motherboard, 2 Pack of ARGB Digital Neon Light for ASUS Aura SYNC Gigabyte RGB Fusion MSI Mystic Light Amazon.com: ALITOVE Addressable RGB PC LED Strip for 3 Pin 5V ADD-RGB Header on Motherboard, 2 Pack of ARGB Digital Neon Light for ASUS Aura SYNC Gigabyte RGB Fusion MSI Mystic Light](https://m.media-amazon.com/images/I/71CnRo+s-ZS._AC_UF894,1000_QL80_.jpg)