How to Set Up the DHT11 Humidity Sensor on an Arduino
by circuitbasics.com: Because of their low cost and small size, DHT11 humidity and temperature sensors are perfect for lots of different DIY electronics projects. Some projects where the DHT11 would be useful include remote weather stations, home environment control systems, and...
Continue ReadingSignal Generation with MATLAB. Example of DTMF in telephony
by Maurizio @ dev.emcelettronica.com: In mathematics a signal is a real function of a real variable f(t). In electronics it represents the evolution of a voltage (or a current) over the time and depends on the performances of the stage of the amplifier. Through a memory buffer,...
Continue ReadingAdding Sensors to Monitor Hive Health
by Nathan Seidle @ makezine.com: The Digital Beehive uses Wi-Fi to broadcast a beehive’s weight, humidity, temperature, and battery voltage every minute to SparkFun’s data channel service called Phant. The raw data can be seen here but you can view some prettier graphs of the...
Continue ReadingNot a battery, not a cap: Murata’s small energy [storage] device
by Graham Prophet @ edn-europe.com: To meet what the company sees as a gap in the available range of energy storage solutions, Murata has developed the UMAC, a small, high-capacity cylinder-type energy device for use in wearable and wireless sensor applications. Although lithium-ion...
Continue ReadingLogic PCB Business Card
Floyd-Jones designed his own business card using logic circuitry. He writes: The card implements a digital finite-state machine which displays the next character of my last name on a 7-segment display each time the button is pressed. Luckily all 11 characters in my name can be...
Continue ReadingArduino WiFi Shield 101 is on sale
by Zoe Romano @ blog.arduino.cc: We are excited to announce that Arduino Wifi Shield 101 developed with Atmel is now available for purchase on the Arduino Store US (49.90$). Arduino WiFi Shield 101 is a powerful IoT shield with crypto-authentication that connects your Arduino or...
Continue ReadingJIGMOD Electronic Circuit Building System
Succeed with your Innovations by building reliable, high quality electronic circuits. by JIGMOD: Most electronic components aren't compatible with breadboards. JIGMOD bridges the gap between those components and your breadboard. Don't work hard - work smart! Avoid wasted time spent...
Continue ReadingHumidity sensor using 8051
by circuitstoday.com: This project is about a simple humidity sensor based on 8051 microcontroller. Humidity sensor is also called hygrometer. This circuit can sense relative humidity (RH) from 20% to 95% at an accuracy of 5%. The humidity information is displayed on a 16×2 LCD...
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