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MicroPython: WS2812B Addressable RGB LEDs with ESP32 and ESP8266 | Random Nerd Tutorials
This tutorial shows how to control WS2812B addressable RGB LEDs (neopixels) with the ESP32 and ESP8266 using MicroPython.
python  micropython  esp32  esp8266  arduino  embedded  neopixel  neopixels  led  randomnerd 
9 hours ago by cyberchucktx
How to Control Anything with a Wi-Fi Relay Switch Using aRest
By connecting a relay to a Wi-Fi connected microcontroller like an ESP8266, you can build a connected switch that can be controlled from the web browser of any device connected to the same Wi-Fi network — all for just a couple of dollars.
arest  embedded  arduino  webapi  wifi  esp8266  wireless 
yesterday by cyberchucktx
74HCT125N NEXPERIA, IC, 74HCT CMOS, 74HCT125
>> 74HCT125N from NEXPERIA >> Specification: IC, 74HCT CMOS, 74HCT125, DIP14, 5V.
logic  3.3v  5v  level  arduino  electroincs 
3 days ago by choffee
Making a DIY text laser projector / Habr
Let’s find out how to make a simple enough laser projector out of electronics you can find at home.

Introduction
There are two ways to create an image with a laser — vector scan and raster...
arduino 
3 days ago by anpan
GitHub - chriscook8/esp-arduino-apboot: ESP8266 wifi configurator in Arduino lang.. uses eeprom for configs, boots to AP mode if no working config found
ESP8266 wifi configurator in Arduino lang.. uses eeprom for configs, boots to AP mode if no working config found - chriscook8/esp-arduino-apboot
esp8266  arduino  code 
3 days ago by archilab
Platinen-Vielfalt | c't | Heise Magazine
Pla­ti­nen mit Mi­kro­con­trol­lern ma­chen es Ein­stei­gern leicht, schnell in­ter­es­san­te Pro­gram­me zu schrei­ben. Zu­sam­men mit hand­li­chen Code-Edi­to­ren er­lau­ben sie es, ei­ge­ne Pro­jek­te um­zu­set­zen. Sie sol­len den Pro­gram­mier­un­ter­richt in der Schu­le vor­an­brin­gen. In­ter­es­sant sind sie aber auch für El­tern, die mit ihren Kin­dern bas­teln.
heise  ct  raspi  arduino  esp32  tips  howto  iot 
3 days ago by torben

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