News & Updates

170420eedn snip redux

Screens become speakers, smartphones can lose micro-speakers

Redux (London UK) has followed earlier announcements of its surface-wave-based haptics technology with a version specifically targeted at the smartphone, with which it aspires to “kill off smartphone micro-speakers”. The company’s surface audio tech from Redux transforms a smartphone screen into a loudspeaker, and also provides haptic feedback. This will, Redux believes, open new design […]

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4 CHANNEL OPTO ISOLATED MODULE USING HIGH SPEED 6N137 OPTOCOUPLER

4 CHANNEL OPTO-ISOLATED MODULE USING HIGH SPEED 6N137 OPTOCOUPLER

4 Channel Opto isolated board has been designed around 6N137 Opto-coupler, the 6N137 optocoupler is designed for use in high-speed digital interfacing applications that require high-voltage isolation between the input and output. Applications include line receivers, microprocessors or computer interface, digital programming of floating power supplies, motors, and other control systems. The 6N137 high-speed optocoupler

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Slave Flash Trigger

Slave Flash Trigger

A Programmable Optical Slave Flash Trigger for Digital Cameras with Processor PIC 12F675 The synchronizer ensures a contact-free, optical synchronization of external photographic flashguns. The triggering of the external flash is derived from embedded flashes of a camera. It can be used for both digital and “analogous” cameras or for a remote synchronization of the

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Pick and Place

Pick and Place

Designing a simple and cheap temperature logger. Part 4: The junk in the trunk. Posted on February 3, 2012 I somehow managed to solve the problem of the serial flash memory write block size vs. the erase block size. I just had to write a custom FAT12 filesystem.. As seen before, the Temperature Logger will act like

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EAGLE Panelizing made easy

EAGLE: Panelizing made easy

Today I stumble across a neat/new feature in Eagle I haven’t seen before. Prolly in there since early versions 7, but at least it is present in version 7.5.0 (current version at writing is 7.7). Some PCB manufacturers will accept panelized PCB and you can save a few bucks by combining a few small designs into a larger design. This

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ARDUINO BASED TWO WAY PAGER

ARDUINO-BASED TWO-WAY PAGER

This Arduino-based pager by  Mike Schaus will allow you to send and receive real SMS text messages. This messaging device has its own SIM card and phone number. 4 January, 2017elab 2128 1 This Arduino-based pager by  Mike Schaus will allow you to send and receive real SMS text messages. This messaging device has its own SIM

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