A device for controlled ejection of fluid by volume (medicine/ chemical / fuel) or drop by drop for different applications.
It is hard to measure the height of the children. So, we made Height Measure using distance sensor VL53L0X.
With just a few minutes make a simple oscilloscope good for measuring frequency, testing capacitors and much more.
Here I built a simple digital voltmeter circuit with a PCB using ICL7107.
Rebuilding bike pedals often calls for specialty tools that might cost more than new pedals. This is how to make your own.
The best aid for powering your Arduino or Raspberry Pi projects.
The Particle Web IDE, Particle Dev, and Particle-cli are not the only ways to program Particle devices.
This tool will be certainly very useful when you need to make precise and stable connections to small points of a printed circuit board.
Create a very cheap and effective board for testing a servo using minimal parts. This uses a 555 timer and is sponsored by PCBgogo.com.
I needed a small amp so I decided to repurpose an old car stereo that had been collecting dust in the basement.
The revival of an old favorite screw gun thanks to 3D printing and some electronic assembling.
Dual-pulse battery tab spot welder using repurposed and rewound microwave oven transformer and solid-state relay.
A Master Micro:bit (teacher) issues math equations to Client Micro:bits (students). Students then compete to be first w/ the correct answer.
Wanted to give a try to what could be done with one motor.