Wemos D1 Mini ESP8266 LED & Level Shifter Mini Shield Enclosure & Lid
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This is a case for the Wemos D1 Mini ESP8266 LED & Level Shifter Mini Shield, which makes it easy to control…
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution
This is a case for the Wemos D1 Mini ESP8266 LED & Level Shifter Mini Shield, which makes it easy to control addressable RGB LEDs such as WS2811, WS2812 (Adafruit NeoPixels), SK6812, APA102 (Adafruit DotStars), and SK9822. The Wemos D1 Mini is an excellent mini Wi-Fi development board based on the ESP8266. I've used it extensively in development of addressable RGB LED art projects such as my 6.5ft Rainbow Tree.
This is a smaller version of the full size Wemos D1 Mini ESP8266 LED & Level Shifter Shield Case
The shield includes a 74HCT125 level shifter, which is one of the most well-regarded high speed level shifter I've found. This shifts the 3.3V logic level of the ESP8266 to the 5V expected by addressable RGB LEDs. These projects often work fine without a level shifter, until they don't.
Four digital output pins (D5 - D8) are run through the level shifter. These pins support parallel output by the fantastic FastLED library.
The shield also includes places for data line resistors as recommended when driving LEDs, especially when powering the microcontroller from the same power supply as a large number of LEDs. Duplicate breakouts are included for each of the Wemos D1 mini pins.
Print instructions
Printer Brand: Monoprice
Printer: Maker Ultimate
Rafts: Doesn't Matter
Supports: No
Resolution: .2
Infill: 20
Filament: Inland PLA White