Tech with Dave

This is my take on an mbed development board to support different LCD sizes. The three sizes shown here are 20x4, 16x2, and 8x2.  Some LC...

Two main emphasis of this board are USB and Serial as well as using socketed components.  The 28-pin PIC24FJ64GB002 can perform as ...

RS-485 is a single duplex, differential, multi-drop capable serial communications method.  This module has TTL level I/O pin header includi...

I developed this TTL/RS232 module using a typical MAX232 chip .  It is a RS-232 serial communiations transceiver with two transmit and two...

WIZnet manufactures chips and modules making it easy to integrate ethernet into an embedded circuit design.  This WIZ811MJ model is based ...

This FT232RL is a popular chip used for converting TTL level serial lines to/from USB serial.  You can find it used with Arduino micro cpus...

Here is the first RS-485 monitor or adapter I built in small quanity.  I started with a RS-485 board from Modtronix , and used their prototy...