A Simple circuit with just a microcontroller, an EEPROM, crystal, and brownout circuit. Teardown The Basic Stamp kit on my workbench was made in 1993, and sold for a suggested retail price of $139 ...

[John]’s build is just an Arduino and LCD shield that writes the number 170 to memory on one pass, and the number 85 on the next pass. Because these numbers are 10101010 and 01010101 in binary ...

Build Your Own Arduino Voltmeter Circuit and Voltage Divider Which Can Measure Voltages From 0V to 30V, ... 16×2 Parallel LCD ( Hitachi HD44780 driver compatible) How to make an Arduino Voltmeter. ...

So, what happens when we send a set of data to the LCD Device? Our resulting sketch will be almost simple. The most inspiring source to make this project comes from a blog post by Chris Parish ...

Meet the Arduino Compatible RFID Reader Module. It can hold card data for up to five cards, takes seconds to program, and holds card data in EEPROM memory, which means that the cards are saved ...