Content for MCP73831

The Ultimate Binary Watch

“I recently got introduced to the concept of binary watches and started doing some research to see if I could build one for myself. However, I was unable to find an existing design that was both functional and stylish at …

Project  Xling

Xling

“A tamagotchi-like toy with an OLED display and Li-Po battery. This is a little tamagotchi-like toy I’ve created for my wife. I used to think that this is how a modern Tamagotchi could look like initially. However, it can …

Six Sided PCB LED Dice With WIFI & Gyroscope - PIKOCUBE

“Hello makers, it’s maker moekoe! Today I wanna show you how to build a real LED dice based on six PCBs and 54 LEDs in total. Next to its inner gyroscopic sensor which can detect movement and dice position …

Prototyping of an MCP73831 based battery charger

“One of my ongoing projects is a very low-power electronics device that supposedly runs on a single-cell Li-Ion or Li-Polymer battery for a very long time, hopefully many-many months. In my idea, the battery actually could be a rechargeable one …

4-Legged Walking Robot

“Arduino Nano or Obniz controlled robot design information. A robot control board with four servo-controlled feet and a face with a distance sensor. The control board can use Arduino nano or Obniz. The example above uses Arduino Nano 33 IoT …

ST Connect (Dike Monitoring)

“ST Connect is an autonomous connected object that collect and send data, in order to monitore dikes in the Barcellonette. #PolytechSorbonne Story Introduction During our studies at Polytech Sorbonne in 2018, Earth Science teachers needed to monitor dikes in the …

LED BLE Hearty Necklace/Badge

“8*16 LED matrix display with bluetooth low energy to connect to any smart phone DESCRIPTION “There is only one happiness in life, to love and be loved.” – George Sand This LED matrix is a heart shaped circuit which you …

POV Fidget Spinner

“This is the obvious next step to the Fidget Spinner, and the last project involving one. I promise. I’m sure a lot of us have seen persistence of vision displays before. As I kid I even had an “iTop …

How to Build a Portable, Accurate, Low Cost, Open Source Air Particle Counter

“This is the first Instructable in the series: How to Make, Calibrate, and Test a Portable, Accurate, Low Cost, Open Source Air Particle Counter. The second installment, How to Build a Test Chamber for Air Particle Sensors, can be found …

DIY USB 5V Solar Power Bank

“The solar panel used in the project is rated at 6V and 150mA which provides about 0.9W/h in ideal conditions and the Li-Po battery is rated at 3.7V and 4000mah which can deliver approximately 15W/h. We …

Little Helper

“Today, when building mobile devices one might think about touch displays. I decided to not use them because they do not allow for good, precise single handed operation, and I think that is an important feature for my Little Helper …