Useful tips for everyday
How do I choose a good LED light? How to Pick an LED Make a list. What color of light do you want? Know your…
Do parallel ports have pins? IBM standardized the parallel cable with a DB25F connector on the PC side and the 36-pin Centronics connector on the…
What is the old terminology used for polarity? polarity (n.) 1640s, “the having two opposite poles,” originally of magnets, from polar + -ity. What do…
What is the range of a colour sensor? These devices can be configured to locate wavelengths from near infrared (colors in the 750 nm to…
How do I allow ports on my Raspberry Pi? Allowing Access Through a Port using UFW Probably the most crucial task to learn when dealing…
What is temperature controlled DC fan? A Temperature Controlled DC Fan is a system which automatically turns on a DC Fan when the ambient temperature…
How does a HX711 load cell works? Load cell senses the weight and supplies an electrical analog voltage to HX711 Load Amplifier Module. HX711 is…
What do you need to know about circuit troubleshooting? For minor problems, troubleshooting requires a little knowledge about the circuit and its components’ working because…
How far can you discharge a LiPo battery? 9. Never discharge a LiPo battery below 3.0v per cell. Ideally you never want to go below…
How do you perform an OC test on a transformer? Open Circuit Test on Transformer The HV side of the transformer is kept open. Now…