The post details a simple LDR brightness and efficiency tester circuit set up using an LDR and a digital Ohm meter. The idea was requested by Mr. Prashant Technical Specifications […]
Search Results for: sensor
How to Measure Dissolved Oxygen in Liquids
The post discusses a sensor device used for measuring the level or amount of dissolved oxygen in water and other fluids. The idea was requested by Mr. Amit Technical Specifications […]
Make this Insect Wing Signal Detector Circuit
The article discusses a VLF receiver circuit used for detecting insect wing beat signals, the idea was investigated and built by Mr. Steven Chiverton. Insect Wing Triggered ELF An incredibly […]
PIR Ceiling Fan Controller Circuit
The post explains a simple automatic PIR controlled ceiling fan circuit for school college use, which responds and switches ON only in the presence of a human (students) in the […]
Programmable Solar Porch Light Circuit
The post explains a porch light circuit with programmable timer controller which enables the connected LEDs to light up or shut off after some delay, as preferred by the user, […]
Automatic PWM Door Open/Close Controller Circuit
The post explains a simple PWM controlled automatic turnstile or door circuit featuring an automatic open/close action via a photo-interrupter stage. The idea was requested by Mr. Bruce Clark. Technical […]