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Tag - Flowcode V5

Interfacing 7-Segment Display – Flowcode

The 7-segment display is the earliest type of an electronic display that uses 7 LEDs bars arranged in a way that can be used show the numbers 0 - 9. (actually 8 segments if you count the decimal point, but the generic name adopted is 7-segment display.) These devices are commonly used in digital clocks, electronic meters, counters, signalling, and other equipment for displaying numeric only data. Flowcode has components for both a quad 7-segment display which can display 4...

Analog to Digital Converter with PIC Microcontroller – Flowcode

Analog to Digital converters allow analog continuous voltages to be converted into a discreet digital numbers inside the PIC as the PIC can only process digital numbers. This can enable a PIC to be connected to analog sensors such as temperature sensors, pressure sensors, humidity sensors, optical sensors, and power sensors. This is a nice feature to use as most of PIC microcontrollers today have built-in analog to digital converters (ADC) with the number of channels depending on the number...

Interfacing a Keypad to a PIC Microcontroller – Flowcode

A keypad is a combination of push-buttons in a way to form rows and columns, in this way the number of input/output pins necessary for their connection is reduced. A 4x3 keypad requires 7 input/output pins while a 4x4 will require 8. Flowcode simplifies all the routines, the Keypad macro contains all the necessary functions for reading thes keypad as well as for initializing the port it is connected to.

RS232 Serial Communication with PIC Microcontroller – Flowcode

RS232 serial communication is one of the oldest communication where data is sent or received one bit at a time. This protocol can easily be used to communicate between a PC and various devices supporting this type of protocol like PIC microcontrollers, GPS, GSM modem etc. While other interfaces like Ethernet, FireWire, and USB all send data as a serial stream, the term "serial port" usually identifies hardware more or less compliant to the RS-232 standard, intended to interface...

Interfacing SD Card with a PIC Microcontroller – Flowcode

A memory card is a solid-state electronic data storage device used for storing digital information. They are commonly used in many electronic devices, including digital cameras, mobile phones, laptop computers, MP3 players etc. They are small, re-writable and are able to retain data without power. This ability to retain data and the ability to re-write many times is the key for flash memory card applications, for example, in digital cameras, where the saved pictures are not lost after the memory card...

USB Serial Communication with PIC Microcontroller – Flowcode

Many computers especially portable ones do not have a serial port (COM Port) anymore. When a connection to a Personal Computer (PC) is required, a USB is the choice. The Universal Serial Bus (USB) is the widely used interface in electronic consumer products today. Most of electronic devices have at least one USB port on them, this include PCs, cameras, GPS devices, printers and so on. In this article we are going to learn how to set up a...

Digital Thermometer – Flowcode

Temperature sensors are very important in many projects especially in temperature logging devices and alarms. In this article we are going to design a digital thermometer using Flowcode. This digital thermometer is built around the LM35 which is a precision integrated-circuit temperature sensor whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. Its output changes by 10 mV per °C so there is no need for calibration. It can measure a wide range of temperature from −55 to...

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