Tag: RS232
MAX232: The classic IC lives on since 1988
by Len Sherman @ edn.com: The June 23, 1988 issue of EDN included a Maxim Design News insert where we asked "Who in their right mind would choose a computer interface standard that uses ±12V supplies, requires expensive connectors, works over a limited distance, is error prone,...
Continue ReadingButchered USB TTL Serial Adaptor
Aaron Brady writes: We popped open the case, and there were two main ICs, a Prolific 2303 (the USB to Serial IC) and a ADM3251E (the RS232 line level convertor). I tried to desolder this with no success, but Bas stepped in, cut the leads with a craft knife and ran the iron over the...
Continue ReadingSerial Port Communication in C#
Maurizio tipped us with his latest article on how to use Serial Port in C#. The article does cover the basic code needed to achieve serial communication. The serial port of the PC is a very important resource both in industrial environment and in home-made electronics, due to the...
Continue ReadingMicrocontrollers with USB interface are common, but…
FTDI.FT-X series USB to serial bridges can be still reasonable option even for today. Microcontrollers with USB interface are common nowadays. Manufacturers provide source codes for USB device classes like CDC, HID, Mass storage and DFU. . Even in this case, programming USB...
Continue ReadingSerial Port Communication in Excel (VBA)
Maurizio @ dev.emcelettronica.com discuss how we can do serial communication in Excel environment. He writes: The purpose of this article is to demonstrate how you can perform serial port communication in the VBA (Visual Basic Applications – script editor included in any typical...
Continue ReadingTransparent ESP8266 WiFi-to-Serial Bridge
jeelabs @ github.com has written a firmware for ESP8266 that enables it to talk to RS232 of your mcu via WiFi and also programm your mcu via WiFi. He writes: This firmware connects an attached micro-controller to the internet using a ESP8266 Wifi module. It implements a number of...
Continue ReadingRS232 To RS485 Module
RS232 to RS485 Board (R) provides a seamless connection of the PC to an RS485 network. Simplex connection of this interface to the RS485 network Easy way of switching the modes between Receiver and Transmitter ( Slide Switch) 5 V regulated supply provision on board 9-pin,...
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