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119 Results for "pnp"

  • SHIELD RELAY FOR ARDUINO UNO
  • Details     from SHIELD RELAY FOR ARDUINO UNO
  • GERBER PCB: https://mega.nz/file/Ld4WVZTJ#6T6i2Nx7x5_o8kfZtJZopY70kUnhQq6tAgHlsXSePVYThis project is a sequence of SHIELDS for ARDUINO UNO that will help us a lot in our tests. A shield is simply a printed circuit board that is placed on the ARDUINO...

  • SDO Milliohm Meter v1
  • Details     from SDO Milliohm Meter v1
  • Motivation I wanted a basic 4.5 digit milliohm meter, for battery operation, designed to be affordable and use common, inexpensive parts, with some flexibility there: higher-cost part substitutes will perform better. Op-amps and comparators figure prominently...

  • Mini Hi-Fi Power Amplifier
  • Details     from Mini Hi-Fi Power Amplifier
  • Amplifier Circuit Description This is a fairly standard amplifier circuit that provides excellent audio quality, due to its simplicity, low power requirements and use of modern, high-quality semiconductors. The input stage (T1, T2) was built with ultra...

  • 3niti alpha
  • Details     from 3niti alpha
  • A little of ternary theory - we will use "balanced" one where our 3 values are -1, 0 and +1 (NOT 0,1,2). Atomic bit of ternary information usually called trit. And lets call 3 trits a triad. 1 trit could be in 3 states, 2 trits could be in 9 states (3^2)...

  • $150 Pick and Place Machine*
  • Details     from $150 Pick and Place Machine*
  • (Skip to 2:50 to see it in action!) A Highly Specialized Pick & Place Machine First, some prerequisites: Your board must fit within the print area, with about 3" to spare in each directionYour board must only have 1-2 BoM itemsSingle-sided assembly onlyThese...

  • Mobile Phone Detector Circuit
  • Details     from Mobile Phone Detector Circuit
  • Committed to providing one-stop electronic hardware services for over a decade, Seeed Fusion has the expertise and engineering insight to deliver streamlined PCB assembly at low costs and is equipped with a wide range of value-added services and capabilities....

  • Ancient PMOS technology clock
  • Details     from Ancient PMOS technology clock
  • Background I have National Semiconductor MM5371 chips from the 70s. I made a clock using it back in the late 70s which I restored in this short project. However the board leaves a lot to be desired due to my inexperience at the time. Since I have 5 chips,...

  • Open Cross Trainer
  • Details     from Open Cross Trainer
  • Why did I make it ? 1500 bucks elliptical trainer was unusable due to electronics failure. UI welcome screen was looping forever and it was not possible to set any training program or even a simple motion resistance. The trainer price is explained by...

  • DIY Automatic Light Fence
  • Details     from DIY Automatic Light Fence
  • What is a Light Dependent Resistor (LDR) or Photoresistor? A Light Dependent Resistor (also known as a photoresistor or LDR) is a device whose resistivity is a function of the incident electromagnetic radiation. Hence, they are light-sensitive devices....

  • ElectroLab
  • Details     from ElectroLab
  • Want to get one? If you want to get this board and its accessories, visit the product page at: How does it work? The ElectroLab board contains more than 50 different components grouped by blocks: 30x Resistors (9 different values)20x Capacitors (10 different...

  • MP3Flower
  • Details     from MP3Flower
  • Mp3Flower is an MP3 player for small children from 2 to 5 years old. I present my work in a little details so that it can be useful to you. My son Quentin wanted me to make an MP3 player for his little boy Tom who is 2 and a half years old. It involves...

  • LED Matrix Tetris (class project)
  • Details     from LED Matrix Tetris (class project)
  • Much of this course has involved writing code in a virtual setting, and running it on a platform that shows the immediate physical effect of what was written on an electrical circuit using the Arduino microcontroller platform. With this in mind, I decided...
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