A high-side current monitor turns a shunt drop into a scaled voltage for an ATmega328P ADC channel. The design arithmetic, the 2500 ohm gain resistor and the supply and reference limits that bound the reading.
High-Side Current Sensing With the ZXCT1010 and an ATmega328P ADC Read More »
A couple of weeks ago, I just post a review of my MCP23017 breakout board. As the board configuration allows to connect up to 8 of these boards, I decided to do it and see that it really works. My goal is interface 8 LCD displays with two wires: SDA and SCL from an I2C bus.
How to interface 8 LCD displays and 24 leds with only two wires Read More »
UPS is an abbreviation of Uninterpretable Power Supply. It is an electronic product used to provide backup power for sensitive devices in case their normal power failure or blackout. Given UPS Schematic Circuit Diagram with its component list is a complete guide to build standard power backup. Its power is measured in Watts or in
UPS Schematic Circuit Diagram Read More »
