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.
I was able to modify Adafruit's Freq Show program to enable it to run on the pocket CHIP.
A circuit for writers and bloggers that prints words or sentence on press so you don't have to type keywords in document multiple times.
I have a little paint booth in my shop, so I created a device to shake paint cans for me.
With just a few minutes make a simple oscilloscope good for measuring frequency, testing capacitors and much more.
Soldering needs to be done in a well-ventilated environment or a Fume Extractor should be used.
Inductance meter on favorite ATmega328P-PU running 16 MHz.
Rebuilding the PIC Inductance meter on STM32F030.
Rebuilding bike pedals often calls for specialty tools that might cost more than new pedals. This is how to make your own.
Do some soldering? Dislike the fumes burning your eyeballs? Build a quick flexible fume fan to extract those fumes away like a boss.
This tool will be certainly very useful when you need to make precise and stable connections to small points of a printed circuit board.
Bulls eye level using Adafruit's Neopixel ring and Tessel's accelerometer.
A real lab power supply costs a lot, so most of as will not buy one just for the pleasure of testing things at home. Here is the solution.
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.
A Master Micro:bit (teacher) issues math equations to Client Micro:bits (students). Students then compete to be first w/ the correct answer.
Holder for a Wiha screwdriver set. 3D-printed with magnetic attachment!