usb to RS232 serial converter circuit

USB to RS232 Using Atmel ATtiny2313 or ATmega8

The Universal Serial Bus (USB) interface has gained immense popularity due to its user-friendly applications, allowing for Plug and Play functionality without the need for system restarts. However, for developers, integrating USB into end systems has proven to be more...

There is an UART on the Nexus 4

The Nexus 4 was chosen due to its traditionally open nature, exemplified by the availability of Ubuntu Touch images. Unexpectedly, it was discovered to be highly hackable. After packaging the Mako kernel on Mer OBS for a personal project, the...

USB to Serial RS232 adapter circuit design electronic project

This USB to Serial RS232 adapter is highly beneficial in scenarios where a device with RS232 needs to be connected to a computer lacking an RS232 port but equipped with a USB port. Utilizing the FT232BM chip produced by Future...

A serial cradle

This project is aimed at building a small circuit that fits into a standard USB Visor cradle and that adds RS-232 capabilities. Note that Handspring sells a serial cradle but if you have more time than money, do it yourself...

PC FM Radio Circuit

If familiar with programming languages such as C++, PASCAL, VISUAL BASIC, or DELPHI, it is possible to write a program that sends numbers from 0 to 255 through the parallel port (378 I) of a PC. This process checks the...

making a coolpix e990 dual USB / serial cable

Instructions for creating a combined dual serial and USB cable for the Nikon Coolpix 990 (e990) camera. To construct a combined dual serial and USB cable for the Nikon Coolpix 990 (e990) camera, it is essential to understand the pinout configurations...

USB Fuse

Life in the 21st century would be nearly unbearable without certain computer peripherals that PC users now consider essential. For instance, the USB-powered teacup warmer is an invaluable productivity tool for users, but it could potentially cause issues if the...

Interface between Ericsson 6xx/7xx phones and a PC

This interface is needed to connect the phone to a PC, because the PC's serial port works with voltage levels between -12 and 12V (RS232 protocol) and the phone operates between 0 and 5V (TTL protocol). Don't even think of...

Cigar Lighter Plug to USB Power Socket

Cigar lighter plug to USB power socket. This circuit converts a 12V DC source from a car cigar lighter plug into a USB power socket with a 5V DC output. This circuit can be used to power 5V electronic devices...