DHT11 Temperature and Humidity Sensor with Pinguino
DHT11 is a common humidity & temperature sensor. This sensor has a single wire serial interface with special timing diagram for the single wire interface. When the MCU sends a start signal, DHT11 sends a response signal followed by the humidity reading and then the...
Continue ReadingHow to Design a Digital Logic Circuit Using PSOC
A project on hackster.io, made by Juan Esteban Paz demonstrates how you can design a digital logic circuit using PSoC from Cypress. All you need is a CY8CKIT-042 PSoC® 4 Pioneer Kit, buttons and LEDs. PSoC 4200 family from Cypress is an ARM-based Cortex-M0 MCU, combined with ...
Continue ReadingWi-fi browser controlled servomotors
This instructable shows how to control some servomotors remotely in a wi-fi network, using an ordinary internet browser. This might be used in several applications: toys, robots, drones, camera pan/tilt, etc. The motors were attached to an Arduino Uno, which connects the wi-fi network...
Continue ReadingColour grabbing Scribble Pen
The Scribble Pen represents a real breakthrough, simply point the pen's scanner at a colour, and draw in that colour with the Scribble Pen or Scribble Stylus. “We're passionate about making people's lives more colourful, artistic, energetic and happy and that's exactly what our...
Continue ReadingMid-power UV LED operates at 365 nm
A ceramic-based UV LED, the VLMU1610-365-135 from Vishay provides typical radiant power of 18 mW at 20 mA and 50 mW at 60 mA over a wavelength range of 362.5 nm to 370 nm. The silicone lens of the device enables extremely long lifetimes of up to 25,000 hour, compared to typical...
Continue ReadingReview: Siglent SDS 2304X oscilloscope
Jack Ganssle @ embedded.com reviews the Siglent SDS 2304X oscilloscope. I’ve had a Siglent SDS1102CML two channel 100 MHz bench scope here for the last two years. I demand a lot from my test equipment so had low expectations when it arrived. After all, how good can a $359 unit be?...
Continue ReadingThe smallest camera module for mobile devices
Nidec Copal, the world’s biggest manufacturer of camera shutters, has developed the smallest, thinnest and lightest camera module for mobile devices. It measures just 8.5 x 8.5 x 4.2 mm and weighs 0.57 g. The new camera module is about half the size of Nidec Copal’s previous...
Continue ReadingYour laundry is done!
Tinkerman @ tinkerman.cat tipped us with his latest project. It's a laundry notification system that will message you when it's finished. I often forget my wet clothing in the washer and after a day they really smell… so I thought about monitoring my washer and get a notification...
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