This experiment shows how to turn LEDs into light sensors. Since the Blinkenlight Shield has 20 of them this turns the Blinkenlight Shield into a 20 pixel „camera“. Schematics Before I explain why the schematics got their current form ...
06-04-2012
William Grill, Riverhead Systems, Greeley, CO; Edited by Paul Rako and Fran Granville -- EDN An eight-pin micro multiplies, monitors, and delivers a boosted voltage to a load The circuit in this Design Idea uses a Microchip PIC12F510 controller to ...
30-03-2012
Part 1 - Schematic Part 2 - Construction Notes, Fan Types and temperature sensors A new version (v1.1) of the Windows desktop application is available. The significant differences from the first version (v1.0) are: A new menu item (Program ...
15-03-2012
Part 1 - Schematic Buck Converters This is a simple buck converter design and the output contains a lot of switching noise and is not very linear with respect to the control signal. This does not matter as a fan is just an electric motor and does ...
15-03-2012
The Intelligent Fan Controller is designed to control the noise generated by the fans inside your computer. It does this by varying their speed based on temperatures measured inside the case. When it is cool the fans will run slowly and they will ...
15-03-2012
This project describes an easy and inexpensive way of adding a digital thermometer and data logging feature to a PC. It involves a PIC microcontroller that gets the surrounding temperature information from the Microchip MCP9701 sensor, and sends it ...
27-02-2012
Vassilis Serasidis Introduction This mini Logic analyzer is a tool for you to watch on LCD the logic transitions 0 or 1 of a digital data signal. A digital data signal can be found on the output pin of TSOP-1736 Infrared Receiver, on the Transmit ...
26-02-2012
Shyam Sunder Tiwari It generally isn’t safe to connect programmable logic controller (PLC) and industrial sensor outputs directly to microcontrollers that need transistor-transistor logic (TTL) or CMOS signals, which can make such sensors ...
23-02-2012
Part 1 - Theory Part 2 - Schematic, Firmware for the PIC microcontroller to initialize the GLCD In the first part of this tutorial, we discussed about Winstar’s WDG0151-TMI GLCD module, which is a 128×64 pixel monochromatic display ...
10-02-2012
Part 1 - Theory Circuit diagram The circuit diagram for this experiment is shown below. The PIC16F887 microcontroller is used to drive a Winstar WDG0151-TMI GLCD. The data pins are connected to PORTD and other control signals are driven through ...
07-02-2012
