Milliohm Measurement Reference: Kelvin Fixtures, Contact Repeatability and Display Limits
At milliohm levels the fixture is part of the measurement: contact repeatability, differential ADC settings, settling and the limits of the displayed digits.
Projects
ΙoΤ – Automatic Router (and Server) Reset
Usually inventions are invented to serve a need or to solve a problem. So this small gadget that i constructed came to serve a need of mine.I have a NAS, Atom based file server, that runs on Ubuntu, but from time to time the operating system freezes and i have to cold restart it. The
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Bear With Me Using Arduino
This instructable teaches how to make our Bear With Me system, a prototype that allows two users to tangibly send and receive hugs (as well as motion) in near real-time. The bears will be able to send tweets when physically hugged. Their hearts will glow when they receive the other bear’s hug. The bears can
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Getting Started With Freescale K64F
There is a lot of buzz going around Arduino and the series of boards. One of the most used board from the Arduino series is the Arduino Uno. But what many people don’t notice is that there is a board similar to Arduino UNO but has many more features. That board is called Freescale K64F. In this
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WiFi Bathroom Humidity Sensor W/Fan Control, App & Automation
Step 1: The Board & Shields Wemos D1 Mini 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0) 1 analog input(3.2V max input) a Micro USB connection Compatible with Arduino Compatible with nodemcu DHT11 Temperature: -20~60°C Humidity: 20-95%RH (±5%RH) It uses D1 and D2 of the WEMOS Board and is extremely popular. They tones
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Moisture Control Unit – MCU
In this Instructables, you will see how to Interface Moisture sensor to your NodeMCU. And check the moisture value and the same to be displayed on the LCD. We’ll use Liquid Clear Crystal to display the moisture value. This 16×2 LCD is very popular and broadly used in electronics projects as they are good for displaying information like sensor data from your
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Automatic Water Heating System 2.0
This is the modification of my old version. This is a technology in small box. In the previous version there is no possibility of adjusting the temperature that we need. It had only 2 temperature setup. In this version I added temperature adjustment using rotary encoder and also added a display. Also changed the micro
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Automated 5 Gallon Bucket Feeder
This bucket feeder design was motivated by the fact that my wife and I live in different cities and have a cat that hates to ride in the car. The automated feeder makes it possible to be able to leave our cat at one apartment for a weekend without worrying about if she is getting
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Universal Remote Using ESP8266(Wifi Controlled)
This project is to replace the conventional remote control for all the home appliances like AC, TV, DVD players, music system, SMART appliances !!! Making a whole junk of remote littering around, making us puzzle!!! This project will save us from the junk to remotes by replacing all by ONE REMOTE! 2 part of this project: DECODING
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Amazon Alexa Enabled USB Fan
Amazon’s Alexa is cool. USB fans are cool. Alexa enabled USB fan, even cooler. This fan turns on with a voice command to an Amazon Alexa device, “Alexa, turn [insert your name here]’s fan on”. The fan is also set to turn off automatically after 45minutes (adjustable through code). The weather has been hot lately
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