Multi Channel Datalogger with OLED Display
by Jed Hodson @ prototypingcorner.me: A 3 Channel Datalogger Powered by the LinkIt One. This device can log data from 2 Analog Inputs and 1 Digital Input / Output with PWM capabilities. The Device syncs time from GPS and makes use of the on-board battery to make it become even more...
Continue ReadingTeardown & Repair of a Stanford Research PS350 5000V, 25W High Voltage Power Supply
In this episode Shahriar repairs a Stanford Research Systems Model PS350 5000V-25W High Voltage Power Supply. The unit continuously displays 2.5kV without the output being enabled and produces no output voltage. Verification of power supply voltages reveals the issue is linked to a...
Continue ReadingRaspberry Pi 2 VS Orange Pi 2 VS BPi-M2
In this VS episode "GreatScott" will compare the hardware (CPU, RAM, GPU,....), the software and community aspects of the three most powerful single board computers from the fruit companies. Raspberry Pi 2 VS Orange Pi 2 VS BPi-M2 -...
Continue ReadingBasic Types of Thyristors and Applications
In this article we will discuss about the various types of thyristors. Thyristors are 2 pin to 4 pin semiconductor devices that act like switches. For example a 2 pin thyristor only conducts when the voltage across its pins exceeds the breakdown voltage of the device. For a 3 pin...
Continue ReadingDon’t be afraid of heatsinks modifications
If you´d like to use some of standard heatsink profiles, but you need for example an extra opening, we´ll supply it to you customized according to your needs. Perhaps everyone of us is familiar with a sentence mentioned in various catalogues, á la “upon request we can supply...
Continue ReadingHow 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...
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