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Atmel ATmega328P-PU
RM25.00DescriptionAtmel’s ATMega328P 8-Bit Processor in 28 pin DIP package. It comes with 32K of program space. 23 I/O lines, 6 of which are channels for the 10-bit ADC. Runs up to 20MHz with external crystal. Package can be programmed in circuit. 1.8V to 5V operating voltage! The famous Arduino Deumilanove, and Arduino UNO is using this ATMega microcontroller. Anyhow, this microcontroller is fresh new without any bootloader.
Good news! Start from August 2012, this microcontroller is pre-loaded with Optiboot bootloader (Uno 16MHz). This means you can use Arduino code in your own project without using an actual Arduino Board. No programmer is needed anymore but you still need UC00A and basic circuit. Please select Arduino Uno Board in the Arduino IDE. We are using this microcontroller in our Breadboard Friendly Arduino (BBFuino). Therefore, you can refer to BBFuino’s schematic and tutorial for more information.
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220 ohm 1/2W Resistor
RM0.10a resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, divide voltages, bias active elements, and terminate transmission lines, among other uses.
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HC-SR04 Ultrasonic Distance Range Finder Sensor for Arduino
RM5.00DescriptionIf you’ve been searching for distance measurement and object detection sensors at a rock-bottom price, look no further! This legendary HC-SR04 ultrasonic sensor is your perfect choice. It offers excellent range accuracy and fairly stable readings at a very low cost. It requires two digital I/O pins (an output pin and an input pin) to interface with it.
An ultrasonic sensor is created based on the principle of echolocation used by animals like bats and dolphins. Since the ultrasonic sensor uses sonar to determine the distance to an object, its operation is not affected by sunlight, spotlight, and object’s surface color which will affect the readings of any infrared distance sensors. However acoustically soft materials such as clothes can be difficult to detect.
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