Categories

Posts Tagged ‘Digital’

Digitally controlled power supply

Wednesday, January 16th, 2013

Wvdv2002 shared his digitally controlled power supply with us in the forums. It's capable of driving 0-18V while having a current controlled output of 0-3A. The brains of the design is the PIC18f46j50 which controls a switch mode regulator's voltage and current output through the MCP4822 two channel I2C DAC....

Tags: , , ,
Posted in project logs | 3 Comments »

Phase Lock Loops 101 with Bil Herd

Wednesday, February 29th, 2012

[embed]http://www.youtube.com/watch?v=VP1XwIJHkyE[/embed] Robert let us know about another video tutorial on Phase Lock Loops in the comments of our previous post. PLLs generate an output signal that is phase-synchronized to an input signal. They are widely used in telecommunication, radio, and computer systems. One place we commonly find PLLs is the...

Tags: ,
Posted in tutorials | 1 Comment »

USB Analog/digital logger

Tuesday, December 13th, 2011

Arhi started started working on a USB/UART analog and digital logger: It's a simple USB logger that can log 12 analog and 3 digital channels + data from MAX6675 (thermocouple driver). It sends the data via usb or uart. We think this is a very useful device that has a...

Tags: , , , ,
Posted in project logs | 1 Comment »

Recent Comments

  • Dave B: Got two of them. If you let the battery run flat, they don't charge! You have to pull the battery, and get enough charge in...
  • Bill F: My turn?
  • Chris: Ok!
  • Bob: Free PCB for me!
  • Blars: Yet another meaningless comment.