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Using a Samd21 board and esp32 board to control the aux light on my 2021 Ford Bronco.

Bronco Light Control

Posted on August 12, 2023

How I control the aux lights in my Bronco

Mk 1

The first control method was using switches in a project box to turn the lights on or off.

An aux box with 3 switches that control 3 light bars on a 2021 Ford Bronco.

Parts

3x Switches

Link

  • Amazon
1x Project box

Link

  • Amazon 
Wire

Link

  • Amazon 

Tools

Drill
Spade Drill Bit

Link

  • Amazon
Solder iron
Solder

Mk 2

The 2nd control method was using a microcontroller to control a relay board to control the lights.

Using a Samd21 board and esp32 board to control the aux light on my 2021 Ford Bronco.

Parts

1x SparkFun Pro RF - LoRa, 915MHz (SAMD21)

Links

  • Sparkfun
  • Digikey
1x 4 Channel Relay Module Board

Links

Amazon Banggood

2x NeoKey 1x4

Links

Adafruit   Digikey

8x Kailh Mechanical Key Switches

Links

Adafruit  DigiKey  Amazon

8x Keyboard Keycaps

Links

Amazon

  • Portal 
  • Black PlayStation icons 

Aliexpress    

  • Marvel
1x Rf Module Transmitter and Receiver

Link

Amazon 

  • My 1st one
  • My 2nd one   
1x I2C Stemma QT Rotary Encoder Breakout with NeoPixel

Links

  • Adafruit
  • Digikey
1x FeatherWing OLED - 128x64 OLED

Links

  • Adafruit
  • Digikey
1x ESP32-S2 Feather

Links

  • Adafruit
  • Digikey
1x Rotary Encoder

Links

  • Amazon
1x M3 Male Female Nylon Hex Spacer Standoffs Screws Nuts Assortment kit

Link

  • Amazon
1x 12v to 5v DC to DC converter

Link

  • Amazon 

Mk 3

The 3rd control method used a updated microcontroller and relay board to expand the amount of light I could control.

An Adafruit micropad used to control a relay board. That controls the lights on 2021 Ford Bronco

Parts

2x RJ-45 Ethernet Female Socket to Terminal Spring Block Adapter

Links

  • Adafruit
  • DigiKey
1x LTC4311 I2C Extender

Links

  • Adafruit
  • Digikey
1x ATtiny817 Breakout with seesaw

Links

  • Adafruit
  • Digikey
STEMMA QT / Qwiic1x JST SH 4-Pin Cable - 300mm long

Links

  • Adafruit
  • Digikey
2x Grove to STEMMA QT / Qwiic / JST SH Cable

Links

  • Adafruit
  • Digikey
1x MACROPAD RP2040 Bare Bones

Links

  • Adafruit
  • Digikey
1x MacroPad RP2040 Enclosure + Hardware Add-on Pack

Links

  • Adafruit
  • Digikey
8 Channel Relay Board

Links

  • Amazon 

Mark 4

The 4th method goes wireless and uses 433 rf to control the lights. 

The lights I am controlling

Fog Lights

2x Flushmount 18w 3inch fog light

Links

  • Amazon
Toggle #2
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Side Lights

2x 7 inch 36w Led Light Bar

Link

  • Amazon
1x Ford Bronco Dual Pod Mirror Mount

Link

  • QuakeLed

Windshield Light Bar

LED Light Bar 42Inch 240W Spot Flood Combo

Link

  • Amazon
1x Relay and fuse socket harness set

Link 

  • Amazon
1x 20A fuse
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.
Ford Bronco 42" Light Bar Windshield Mount with Side Perch Kit

Link

  • Quakeled

Backup Lights

2x 4 Inch 60W Led Pods with 2.5 Inch Tow Hitch Mounting Bracket

Link

Amazon

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Hood Light

AVS AEROSKIN® LIGHTSHIELD™ PRO

Link

  • Realtruck
Toggle #2
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Bull Bar light

20" 126W LED Bar Flood Spot Combo

Link

  • Amazon 
Toggle #2
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