In practice, the MSP430F2012 MSP4430 series used (instead may MSP430F2013) via sd card is being processed audio files MSP430 PWM, SPI signal processing, filtering and so on. set a good example in the circuit made a 5-page narrative of the eagle pcb, diagrams and drawings II project, code files given ..
Source: diylife.com/2008/04/11/make-a-singing-msp430-microcontroller alternative link:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-18943.zip
Published: 2012/05/20 Tags: microcontroller projects, msp430 projects
SAA1042 SN74LS08 For Telescope Motor Drive Circuit
Author circuit used for telescope control CNC, robotics and so on. via LPT port can be used in similar projects using circuit has 3 channels Somebody SN74LS08 in other parts used in the SAA1042 stepper motor driver outputs are powered with TIP120 transistors. Data inputs are isolated by Kublin 4N26 opto .. A chart of the engine control board, there pcb drawings ..