What are some cheaper alternatives to the Arduino UNO R3 that have
Scriptronics® UNO R3 DIP Board ATmega328P with USB Cable and PIR
Arduino Uno Surface Mount (Revision 3) – Electronix Express
Arduino Uno R3 Compatible Development Board ATmega328P For DIY
Arduino Nano — Arduino Official Store
Arduino Uno R3
ATMEGA328P-PU Microcontroller IC DIP-28 ARDUINO UNO R3
Atmega328p Pu
Barebones AVR dev. board : ID 174 : $12.00 : Adafruit Industries
China Arduino Uno, Arduino Uno Wholesale, Manufacturers, Price
3x NEW Compatible with Arduino UNO R3 IDE, ATmega 328P CH340 R3
Arduino Uno R3 Development Board - Control Voltage
Good Price Development Board for UNO R3 SMD DIP ATMEGA328P CH340