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Search results: 387   Output: 51-60
  1. Zoran Mijanovic Nedjeljko Lekic EDN This Design Idea shows how a single microcontroller port can drive a lot of output lines through shift register. In this case we use the shift register with strobe control to achieve perfect output line control. ...
  2. The objective of this project is to build an Arduino voice shield to empower thousands of voice related applications! All this mostly thanks to an integrated ISD1790PY chip (Figure 1). Figure 1. Voice Shield for Arduino This particular voice/TTS ...
  3. Vishwas Vaidya Thermocouples and their leads often have to detect open-circuit or short-circuit faults. However, it is very difficult to distinguish a valid millivolt temperature signal from an open/short-circuited thermocouple, which generates a ...
  4. Mehmet Efe Ozbek, PhD, Atilim University, Ankara, Turkey - August 17, 2012 EDN A previous Design Idea demonstrates how you can use a microcontroller to drive a piezoelectric buzzer at a high alternating voltage through a four-MOSFET circuit that ...
  5. Part 1 - Hardware The getting started will guide you with installing the required software on the pc. There are only two programs required before you can program the Simplecortex: the IDE and the driver for Windows to recognize the Simplecortex as ...
  6. Originally developed for the do-it-yourself (DIY) and hobbyist communities, the Arduino open-source electronics prototyping platform is based on flexible, easy-to-use hardware and software. While still wildly popular among artists, tinkerers, and ...
  7. Create the mathematical inverse of an analog voltage by converting it to frequency and measuring the period. Jordan Dimitrov, Toronto, ON, Canada EDN A popular series of inexpensive distance sensors integrates an infrared emitting diode, a linear ...
  8. Ever wanted to control a tank with your phone? Well, here’s one way to make it happen (Figure 1). Figure 1. Bluetooth MSP430 Tank Parts: MSP430 Launchpad with MSP430G255 3 chip from Texas Instruments (TI). Wireless Bluetooth V2.0 RS232 TTL ...
  9. Mehmet Efe Ozbek, PhD, Atilim University, Ankara, Turkey EDN Piezoelectric buzzers find wide use in embedded systems for audible-signal generation. You can drive a piezoelectric element directly from a microcontroller’s I/O pins, but the ...
  10. This module integrates the sensor MMA7455L (produced by Freescale ), able to detect the movement on three axes, and then in every direction. The chip offers the possibility to select three different sensitivity ( 2g, 4g, 8g) and makes available, on ...

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