DIY Arduino UNO on Breadboard
To save a bit of money, space and hassle I decided to build my own Arduino Uno. And to be perfectly fair, it’s probably wrong, not nice, or meaningful anymore. However I was really proud of myself.
Bill of Materials:
| Amount | Item | Info |
|---|---|---|
| 1✕ | 16 Mhz Chrystal | |
| 1✕ | Electrolytic Capacitor | 100µF |
| 1✕ | Electrolytic Capacitor | 10µF |
| 2✕ | Capacitor | 22pF |
| 1✕ | Rectifier Diode | |
| 1✕ | LED | Red |
| 1✕ | 10kΩ Resistor | |
| 1✕ | 330Ω Resistor | |
| 1✕ | Pushbutton | |
| 1✕ | Voltage Regulator | 5V - 7805 |
| 1✕ | ATMEGA328 |
Schematic
Final “Product”
💡 Please note, I switched the 5V and GND lanes at the bottom rail.