Controlling a LED with ESP32-C3-DevKITM-1 Development Board using ESP-IDF
https://www.electronics-lab.com/deep-dive-on-controlling-led-with-esp32-c3-devkitm-1-development-board-using-esp-idf/
In this article, we will explore another onboard functionality of Espressif’s ESP32-C3-DevKITM-1 which is the onboard RGB LED. With its powerful connectivity, compact size at such a low cost the ESP32-C3- DevKit M-1 board is a must-try for your next IoT project. You can read the official documentation of the development board as well. The […]
Power Analysis: Probing WS2812 RGB LEDs
https://www.electronics-lab.com/power-analysis-probing-ws2812-rgb-leds/
Power analysis is a technique to probe the inner workings of an integrated circuit by measuring changes in the supply current. Tim writes: Whenever a logic gate switches, it will cause a tiny current spike that can be measured externally. By inspecting the temporal variation, especially in reaction to an external signal, it is often […]
WiFi-enabled Color LED Matrix using ESP8266 and WS2812 LEDs
https://www.electronics-lab.com/wifi-enabled-color-led-matrix-using-esp8266-ws2812-leds/
ray @ rayshobby.net build a wifi enabled color led matrix using ESP8266. He writes: Last Thursday I had a lot of fun doing a workshop at my college (UMass Amherst) where I taught students to use a WiFi-enabled Color LED matrix combined with Javascript programs to create animations displayed onto the LED matrix. The matrix […]
ESP8266 temperature logger
https://www.electronics-lab.com/esp8266-temperature-logger/
A ESP8266 temperature logger project from Facelesstech: I decided to use the esp-01 module because I only need 2 GPIO pins since I was using the DS18B20 temp sensor and the WS2812 LED. This made the hardware really cheap and easy to reproduce too. I normally use FTDI boards when it comes to the USB to […]
8×8 RGB Led Matrix with WS2812 driver with Arduino Uno
https://www.electronics-lab.com/8x8-rgb-led-matrix-with-ws2812-driver-with-arduino-uno/
In this video we learn how to use this 8×8 RGB LED matrix. This matrix is using the WS2812 driver and it is great, because each LED is individually addressable. Only one microcontroller pin is required to control all the LEDs, and you get 24 bit color for each LED. 8×8 RGB Led Matrix with […]
Fake TV Security Light
https://www.electronics-lab.com/fake-tv-security-light-2/
RonM9 @ instructables.com has build a fake led TV security light based on Arduino and NeoPixel WS2812 LED ring. Fast & Easy Fake-TV Light module built for under $5; with enhanced features. With the use of this device you can go on vacation leaving your home with a lived in appearance and thus an added layer […]