Use the Atmega328P chip, with Arduino bootloader loaded by you, as the brain of this economical circuit. There are many circuit diagrams available online for building an Arduino on a protoboard, but ...

Just follow the schematic diagram shown below to complete your own Arduino circuit board! About the ATmega 328 chip It is a good idea to use a socket for the chip. If the chip is pre-programmed, you ...

[Bill Porter] has a tip for designing circuits that have multiple connections to a single microcontroller UART. This stemmed from a review of a friend’s circuit design that used the UART in t… ...

The new Arduino prototyping kit allows you to build and program your own circuits using the fully functional and production-ready Arduino prototyping board. Watch the video below to learn more ...

Hardware Startup's build includes: a USB to serial converter, an ATmega328p, a 5V power circuit, and some headers. Then, you load the the Arduino bootloader on the ATmega, connect everything up ...

[Rockwell] sent us an update on his traffic light hacking. Dedicated readers will remember seeing this legally attained traffic signal controlled through a parallel port from back in 2005. The new … ...

The Arduino Nano and Raspberry Pi Pico support different input voltages, so they also use different power sources. However, they can both be powered with a 5V supply via their onboard USB ports.