Useful tips for everyday
What is the CMOS inverter? A standard CMOS inverter is quite simple and is built using two opposite-polarity MOSFETs in a complementary manner. The circuit…
How do you use watchdog timer? A watchdog timer is a simple countdown timer which is used to reset a microprocessor after a specific interval…
What is the need for level shifting in operational amplifier? A small offset in an early stage can saturate a later stage. Level shifters are…
How to connect a keypad to a microcontroller? A matrix keypad is basically a combination of push-buttons in a way to form rows and columns.…
How can a point source of light be created from an extended source of light? Solution: A point source of light is obtained by placing…
Can sensors be connected to Raspberry Pi? Sensors are another type of input that can be connected to the Raspberry Pi. They may gather data…
How is PPF calculated? PPF measures the total amount of PAR that is produced by a lighting system each second. This measurement is taken using…
How do you find the pull-up resistor for i2c? These pull-ups would draw 3.3V / 1.77 k = 1.86 mA each when SCL / SDA…
What is capacitive fingerprint sensor? Capacitive Sensor: Instead of light, capacitive scanners use electricity (think of the way touchscreens work) to determine fingerprint patterns. As…
Can half-duplex communication with full-duplex? There are two types of duplex communication systems: full-duplex (FDX) and half-duplex (HDX). In a full-duplex system, both parties can…