There are a lot of digital voltmeter modules on the market today at advantageous prices. Apart from their very high input impedance, they have the advantages of being accurate, versatile, co... Read more
A solar panel is a collection of solar cells. Lots of small solar cells spread over a large area can work together to provide enough power to be useful. The more light that hits a cell, the... Read more
The LM1830 fluid detector IC from National Semiconductor is designed to be able to detect the presence of fluids using a probe. This chip requires a relatively high supply voltage and is not... Read more
The 40106 is a versatile CMOS IC containing six Schmitt trigger inverters. It can be used to implement a set of alternating-action switches with hardware contact bounce suppression. A... Read more
The big fear of every developer of a microcontroller or computer-driven control system is that the computer or controller could crash while it is in the middle of controlling something and t... Read more
For load currents, up to 4 A the author has used a bistable relay to disconnect the load on a 12 V battery to avoid deep-discharge. How can we provide the same function at higher levels of l... Read more
A negative supply voltage may be obtained with the use of a special inverter IC. but such ICs are not always readily available. Fortunately. if the current drawn is not excessive, a standard... Read more
HV-2405E IC with some circuitry act as power inverter with 100-260V A.C mains supply to 5-24 V D.C supply. The peak output current of the device is 50 mA. The chip contains a pre-regulator t... Read more
What is UPS and Its application? An inverter or UPS is a device that typically provide power backup in emergency to a device or load, when normal electricity power source is down. UPS is an... Read more
