Content for MCP6004

MCP6004

The MCP6004 is a quad general purpose op amp offering rail-to-rail input and output over the 1.8 to 6V operating range. This amplifier has a typical GBWP of 1 MHz with typical quiescent current of 100 microamperes. The MCP6004 is available in 14-lead PDIP, SOIC and TSSOP packages.

Laser Scanning Microscope From Blu-Ray Player

“DIY Laser Scanning Microscope made from a defective Blu-Ray Player. A Blu-ray player must be able to detect the microscopically tiny pits on DVDs in order to play back a film. Therefore, the question arises: Can a Blu-ray player also …

ATMega1284 Quad Opamp Effects Box

“The Stomp Shield for Arduino from Open Music Labs use an Arduino Uno and four opamps as a guitar effects box. Similar to the previous instructable that shows how to port the Electrosmash Uno Pedalshield, I have also ported the …

DIY Heart Sensor with Auto-Adjusted Threshold and Heart-Shaped LED Heartbeat Indicator

“I am a Biomedical Engineering (BME) graduate student at Purdue University. As a BME, I really enjoy making quick and easy projects that highlight some sort of physiological quantity. Heart rate is such an activity. There are numerous projects that …

Introducing Easy Pulse: a DIY Photoplethysmographic Sensor for measuring heart rate

“When I first built the Heart rate measurement through fingertip project, the infrared LED and photodiode used for finger photoplethysmography were actually from salvaged parts, and therefore, I could not provide specifications for them in the article. As a result …