Digital Pressure Gauge 0 to 10kPa (0 to 1.75 psi) with OLED display
LCD/OLEDTest/Measurements

Digital Pressure Gauge 0 to 10kPa (0 to 1.75 psi) with OLED display

The project presented here is a Digital Pressure Gauge using an OLED display. The measuring range of this unit is 0 to 10kPa (0 to 1.75 psi). Additional this compact open-source hardware is Arduino compatible. This board can be used for measuring low pressure up to 1.75psi with great...

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Low-Cost Room Thermometer Using 16×2 LCD and Atmega328
Test/Measurements

Low-Cost Room Thermometer Using 16×2 LCD and Atmega328

This is an easy to build small size and low-cost room thermometer. The project consists of LM35 analog temperature sensor, 16×2 LCD, and an Atmega328 chip. This compact board is Arduino compatible and provided with an onboard connector for Boot-Loader burning and Arduino IDE...

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1495
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1 Comments
Current Meter Using 0.96″ OLED Display
ArduinoTest/Measurements

Current Meter Using 0.96″ OLED Display

This project provides an economical and precise solution for DC current sensing and display on an OLED display. This board uses the ACS715T-20A hall effect-based linear current sensor chip, 0.96 Inch I2C OLED Display and Atmega328 microcontroller chip. It is an Arduino compatible...

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Lead Acid Battery Voltage Monitor using ATMEGA328
ArduinoTest/Measurements

Lead Acid Battery Voltage Monitor using ATMEGA328

Monitoring the voltage level of a 12V Lead Acid Battery (SLA) is easy and simple with this project. The board is made using an ATMEGA328 micro-controller and 12 x 5mm LEDs. The ATMEGA328 microcontroller senses the analog voltage on A3 Analog pin and drives 12 LEDs connected to digital...

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Oscilloscope Tester Keyring (OTK) can test your oscilloscope
Test/Measurements

Oscilloscope Tester Keyring (OTK) can test your oscilloscope

The Engineering Octopus has launched a keyring which helps you keep track of your keys, and also serves as a means to quickly test an oscilloscope. It is called the Oscilloscope Tester Keyring (OTK). About the inspiration for the project, Max the brain behind the OTK says “All...

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Challenges involved in 5G Testing
Test/Measurements

Challenges involved in 5G Testing

The imminent large-scale rollout of 5G technology imposes new and tough challenges for designers of PCB, network equipment and electronic devices in general. 5G will not only represent an increase in data rates, but it will be a real revolution, with latency times reduced up to 1ms and...

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Simplified Contactless Thermometer reference design
Test/Measurements

Simplified Contactless Thermometer reference design

Renesas’ reference design considers the thermometer’s range of operation, accuracy, power considerations, and display options. Renesas’ winning combination IR contactless thermometers are needed for medical applications to monitor an individual’s body temperature before...

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1545
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Free Elektor Article: Differential Current Probe
Test/Measurements

Free Elektor Article: Differential Current Probe

Differential current probe with single-ended output, +/-18 V supply voltage, 6 MHz bandwidth, and gain of 2, set by a single resistor, can be increased. Designed by A. Rosenkränzer This current probe has a differential input and single ended output. Instrumentation amplifier AD8421 is...

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