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Test Instrumentation

4 Posts authored by: mahmood.hassan
Related Post: Precision analog opto-isolation amplifier using HCNR200/201   Hardware Setup: Tab Label Tab Content MAX. and MIN. OUTPUT Maximum and minimum possible output voltage are limited to integrate it with microbit analog input and to avoid any damage to microbit. Maximum output voltage will not exceed microbit analog input maximum limit 3.6V and similarly minimum output voltage will not go below 0V even if negative voltage is applied at the input.   MAX. OUTPUT   MIN. OUT ...
Test Instrumentation Enter Your Electronics & Design Project for a chance to win a Grand Prize for Originality, a Tool Set, and a $100 Shopping Cart! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   We can use use simple voltage divider at micro:bit ADC input to measure DC voltages but using this method we can only measure large voltages with fair bit of accuracy. What about small voltages in range of few Milli or micro volts. One way of tackling su ...
Test Instrumentation Enter Your Electronics & Design Project for a chance to win a Grand Prize for Originality, a Tool Set, and a $100 Shopping Cart! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   We can easily find many types of digital optocouplers but its very rare to see any analog optocoupler application especially in hobby electronics. Even though its very essential in many type of analog circuits especially in current and voltage monitoring ...
Test Instrumentation Enter Your Electronics & Design Project for a chance to win a Grand Prize for Originality, a Tool Set, and a $100 Shopping Cart! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   Arduino or any other controller need TTL signal levels at input to count pulses and only work with square wave. So what if we want to find out the frequency of sine ,triangular or low voltage square wave?   We can solve this problem with the help ...