Introduction In my quest for an automated garden, I decided I would try weighing plants to determine when they needed watering. The idea is that the plant becomes lighter as transpiration takes place. Some water, along with minerals, is used to grow the plant, while the rest of the water evaporates away. When the water …
Microcontrollers and Multiplexing Weight Sensors Read More »
Build your own RGB light meter with an ESP32, TCS34725 RGB Sensor and an OLED display.
This is part 2 of a 2-part post on making a Wireless/Wifi Remote Shutter for any DSLR and creating a time-lapse of a 3D print. Part 1 contains the Wireless Shutter construction, while Part 2 deals with the time-lapse portion. Click on over to Part 1. Setting up for a Time-lapse video Now that you’ve …
How To Make A Wireless DSLR Remote Shutter and Make a Time-lapse – Part 2 Read More »
This is part 1 of a 2-part post on making a Wireless/Wifi Remote Shutter for any DSLR and creating a time-lapse of a 3D print. Part 1 contains the Wireless Shutter construction, while Part 2 deals with the Time-lapse portion. When you’re done with Part 1, please click over to Part 2. The Itch After …
How To Make A Wireless DSLR Remote Shutter and Make a Time-lapse – Part 1 Read More »
This software timer implementation allows an unlimited number of timers and has a 1-millisecond resolution. It uses NO hardware timers and only needs a call from your main loop.
Prototype The prototype water fountain is based on an ultrasonic sensor, NPN transistor and ESP32 Previous Next Watch the demo below What is this all about then? This auto start water fountain was designed for my cat, Huey. I heard animals prefer to drink from a running stream so I was determined to give him …
I’ve been using an inexpensive 0.96″ OLED display for a while now and I’ve come to appreciate its ease of use and diminutive size. They come in I2C and SPI flavours, depending on your needs. Also, they come in various screen colours to match your project. This particular case is designed to fit my collection …