Category: Test/Measurements
Tools for the Electronics Hobbyist Part 2- LC200A L/C Meter
When I started to deal with Chinese electronics suppliers from websites like Alibaba, Aliexpress and Taobao, I discovered that there are huge amount of undiscovered tools from the Chinese market. They are not easily discovered, maybe due to the Chinese language barrier, especially when we...
Continue ReadingShort circuit tracer uses low power
Dan Meeks shares his design idea on edn.com: This Design Idea presents a low power short circuit finder that capitalizes on the ear’s sensitivity to changes in frequency. The heart of the circuit is a voltage-to-frequency converter (based on Linear Tech’s AN45, Figure 13, by Jim...
Continue ReadingA full-featured, portable weather data recorder
Do you wonder how to build a personal weather station with data logging capability? Well, Jesus Echavarria, a electronic engineer and DIY hardware maker from Spain, has shared the details of his design of a very professional-looking, full-featured, and portable weather data recorder...
Continue ReadingCircuit provides cold-junction compensation
Mark Maddox @ edn.com has a design idea on cold-junction compensation using AD7708. The accuracy of any circuit or system that uses a thermocouple to determine the temperature of a process is limited by the accuracy of the method used to perform cold-junction compensation. In a...
Continue ReadingTemperature-to-period circuit provides linearization of thermistor response
by S Kaliyugavaradan, Anna University, Madras Institute of Technology, Chennai, India; Edited by Brad Thompson and Fran Granville -November 10, 2005 Designers often use thermistors rather than other temperature sensors because thermistors offer high sensitivity, compactness, low...
Continue ReadingUltrasonic Anemometer Project Progress
Lukas Fässler discuss about his anemometer project progress and what tests he has performed so far. In the mean time I managed to do some rudimentary testing and now feel confident to take orders. These tests concern the hardware only. What I said last time about the state of the...
Continue ReadingTools for the Electronics Hobbyist Part 1- Graphical Components Tester
When I started to deal with Chinese electronics suppliers from websites like Alibaba, Aliexpress and Taobao, I discovered that there are huge amount of undiscovered tools from the Chinese market. They are not easily discovered, maybe due to the Chinese language barrier, especially...
Continue ReadingEspoTek Labrador – Oscilloscope, Signal generator, Power supply in one tiny board
EspoTek Labrador is a small, portable, USB-connected electronics lab-on-a-board that includes an oscilloscope, waveform generator, power supply, logic analyzer, and multimeter. The EspoTek Labrador plugs directly into a solderless breadboard and connects to any Windows, Mac, or Linux...
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