Many modern electronic devices and microcontroller- based circuits need a 5 V or 3.3 V power supply. It is important that these voltages are constant and so a regulator of some kind is essen... Read more
It’s entirely logical that low-cost miniature microcontrollers have fewer ‘legs’ than their bigger brothers and sisters – sometimes too few. The author has given some consideration to how to... Read more
Here’s an easy-to-build circuit to drive a solid-state relay for a period that can be selected as two, four, or six hours. This device forms part of a project by the author to control a heat... Read more
The EDE1144 Keypad Encoder IC from E•Lab Digital Engineering (www.elabinc.com) is designed to interface a matrix-type 4 row × 4 column (16-key or less) keypad to a microcontroller or other h... Read more
This circuit represents an interface converter between the UART pins of a microcontroller (with TTL levels) and a ‘standardised’ RS232 port with symmetric ±15- V levels. In contrast to the c... Read more
If a large number of keys have to be scanned, the individual keys are not normally connected directly to the microcontroller. Instead, a matrix arrangement is used. This allows the number of... Read more
Here is something for microcontroller enthusiasts to grind their teeth on. The 800552 microcontroller from Philips Components is an up-. ; railed derivative of Intel’s 8032. It costs l... Read more
Arduino Mega 2560: The Arduino Mega 2560 is actually a microcontroller board in light of the ATmega2560 (datasheet). It has 54 digital input/output pins (of which 15 can be utilized as PWM o... Read more
This article will tell you how to manage the energy or speed of dc motor using microcontroller. Later we will take a look at the circuit diagram of DC motor speed control using microcontro... Read more
The main purpose of such traffic-light-controllers is give us a sophisticated & advanced control & the organized to confirm that the movement of traffic is smooth, safe and sound as... Read more
