# RGB-LED MOSFET Circuitry Help

**URL:** <https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352>\
**Category:** projects\
**Created:** [November 10, 2025, 7:04am UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352 "2025-11-10T07:04:52Z")\
**Posts on this page:** 10\
**Page:** 1

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**Author:** ![franiuxd12](https://forum.fritzing.org/letter_avatar_proxy/v4/letter/f/cdc98d/32.png) [@franiuxd12](https://forum.fritzing.org/u/franiuxd12)\
**Post date:** [November 10, 2025, 7:04am UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/1 "2025-11-10T07:04:52Z")

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i need help in bulding this small circuit the truth is i cant read schematics(yet) so can anyone that can read this help me?

 ![ChatGPT Image 10 lis 2025, 08_00_11](https://forum.fritzing.org/uploads/default/original/3X/2/f/2f9b08ac2150e646fe5aee9c63d3e4ec17dd8e5c.jpeg)

- 3 × **P-channel logic-level MOSFETs** (examples: IRLML6402, SI2301P, AOZ8807P, etc.)
- 3 × **220 Ω resistors** (in series with the LED channels)
- 3 × **100 Ω resistors** (in series with MOSFET gates – optional but recommended)
- 3 × **10 kΩ pull-up resistors** (each gate pulled up to +5 V)
- LED common cathode → **GND**
- 

```
+5V (Pololu / Arduino 5V)
| | |
| | |

```

* * *
|R220|R220|R220| ← series resistors for each LED color
* * *

```
| | |

```

AnodeR AnodeG AnodeB  
| | |  
DRAIN DRAIN DRAIN ← P-MOSFET (P-channel)  
| | |  
MOSFET MOSFET MOSFET  
(P) (P) (P)  
| | |  
SOURCE SOURCE SOURCE  
| | |  
+5V +5V +5V

Common cathode (LED) → GND

Gate connections:  
Arduino D9 —[100Ω]— Gate R —|| 10kΩ pull-up ||— +5V  
Arduino D10 —[100Ω]— Gate G —|| 10kΩ pull-up ||— +5V  
Arduino D11 —[100Ω]— Gate B —|| 10kΩ pull-up ||— +5V

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<div class="post-metadata">

**Author:** ![RAPTOR7762](https://forum.fritzing.org/user_avatar/forum.fritzing.org/raptor7762/32/22620_2.png) [@RAPTOR7762](https://forum.fritzing.org/u/RAPTOR7762)\
**Post date:** [November 10, 2025, 7:41am UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/2 "2025-11-10T07:41:12Z")

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@franiuxd12 O I can help you create a breadboard circuit

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<div class="post-metadata">

**Author:** ![RAPTOR7762](https://forum.fritzing.org/user_avatar/forum.fritzing.org/raptor7762/32/22620_2.png) [@RAPTOR7762](https://forum.fritzing.org/u/RAPTOR7762)\
**Post date:** [November 10, 2025, 8:22am UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/3 "2025-11-10T08:22:37Z")

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@franiuxd12

[RGB-LED-MOSFET.fzz](https://forum.fritzing.org/uploads/short-url/e0ncCPaV82dHosAgIkjyrivuYr5.fzz) (42.4 KB)

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<div class="post-metadata">

**Author:** ![franiuxd12](https://forum.fritzing.org/letter_avatar_proxy/v4/letter/f/cdc98d/32.png) [@franiuxd12](https://forum.fritzing.org/u/franiuxd12)\
**Post date:** [November 10, 2025, 1:45pm UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/4 "2025-11-10T13:45:44Z")

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thank you! you really helped me but it shows im missing a part

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<div class="post-metadata">

**Author:** ![RAPTOR7762](https://forum.fritzing.org/user_avatar/forum.fritzing.org/raptor7762/32/22620_2.png) [@RAPTOR7762](https://forum.fritzing.org/u/RAPTOR7762)\
**Post date:** [November 10, 2025, 1:50pm UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/5 "2025-11-10T13:50:11Z")

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Exactly which part are you missing and what is your Fritzing version @franiuxd12

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<div class="post-metadata">

**Author:** ![franiuxd12](https://forum.fritzing.org/letter_avatar_proxy/v4/letter/f/cdc98d/32.png) [@franiuxd12](https://forum.fritzing.org/u/franiuxd12)\
**Post date:** [November 10, 2025, 3:24pm UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/6 "2025-11-10T15:24:43Z")

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the rgb but could u send me just screenshot of the file?

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<div class="post-metadata">

**Author:** ![franiuxd12](https://forum.fritzing.org/letter_avatar_proxy/v4/letter/f/cdc98d/32.png) [@franiuxd12](https://forum.fritzing.org/u/franiuxd12)\
**Post date:** [November 10, 2025, 3:26pm UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/7 "2025-11-10T15:26:27Z")

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@ [RAPTOR7762](https://forum.fritzing.org/u/raptor7762)

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<div class="post-metadata">

**Author:** ![franiuxd12](https://forum.fritzing.org/letter_avatar_proxy/v4/letter/f/cdc98d/32.png) [@franiuxd12](https://forum.fritzing.org/u/franiuxd12)\
**Post date:** [November 10, 2025, 3:35pm UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/8 "2025-11-10T15:35:35Z")

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![image](https://forum.fritzing.org/uploads/default/original/3X/8/8/88dd81772200ef31a90772b6fff735ce4b95a18e.png)  
i think i figured it out btw thank you very much

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<div class="post-metadata">

**Author:** ![RAPTOR7762](https://forum.fritzing.org/user_avatar/forum.fritzing.org/raptor7762/32/22620_2.png) [@RAPTOR7762](https://forum.fritzing.org/u/RAPTOR7762)\
**Post date:** [November 11, 2025, 1:08pm UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/9 "2025-11-11T13:08:39Z")

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Oh ok. Do let me know if you have any problems. 🙂

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<div class="post-metadata">

**Author:** ![cel\_turbo](https://forum.fritzing.org/letter_avatar_proxy/v4/letter/c/57b2e6/32.png) [@cel\_turbo](https://forum.fritzing.org/u/cel_turbo)\
**Post date:** [November 12, 2025, 4:27pm UTC](https://forum.fritzing.org/t/rgb-led-mosfet-circuitry-help/33352/10 "2025-11-12T16:27:58Z")

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This circuit generated by Chatgpt has an error, just like many of the others it creates.