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3 pin slide switch

SPDT Slide Switch 3 pin 30V

STM32F0 microcontroller and interface board top view

STM32 M0 MCU and Interface to Breadboard

Image of the Atmega324p


Serial to USB converter with Micro USB cable

USB to Serial Converter

Thumbnail: Crystal Oscillator 18.432 MHz for UART

18.432 MHz Crystal Oscillator 18pf 30ppm

Thumbnail: 22 pF Capacitor

22 pF Multilayer Ceramic Capacitor

Thumbnail: Quartz crystal oscillator - 16 MHz

16 MHz Crystal Oscillator 20 pF Through Hole

Thumbnail: 4x4 keypad top view.

4x4 Keypad with Adhesive Backing

Thumbnail: quad buffer line driver 74HC126E

Quad Buffer Line Driver (Through Hole)

USB AVR programmer

USB AVR Programmer


Breadboarding: Putting the Accelerometer on the Breadboard and Connecting it to the Microcontroller

Since this Freescale accelerometer requires a different voltage than the AVR microcontroller, another voltage regulator is used (Maxim MAX604). The MAX604 will be positioned on the other extreme side of the breadboard. The MAX604 uses 2 10uf capacitors to smooth the power signal at the input and the output. One portion of the power rails is dedicated to the 3.3v so the accelerometer can easily be connected to power.

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