DIY Arduino
#arduino
#DIY
#microcontroller
#programming
#electronics
#prototyping
#sensors
#actuators
#home automation
#educational
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Arduino Serial Call Response
This sketch transmits an ASCII 'A' (byte value 65) upon startup and continues to do so until it receives a serial response from the computer. After receiving a response, it sends three sensor values as individual bytes and waits for...
Some Voltage Regulator Ciruits for Microcontroller based Projects
A regulated and noise-free power supply voltage is essential for microcontrollers and other components such as amplifiers, filters, and GPS devices. Voltage surges in the supply voltage can permanently damage embedded systems. A voltage regulator must maintain the output voltage...
Xbee doorbell project
When the start button is pressed, the Arduino selects a random 4-digit code and flashes lights to indicate the code. If the user successfully repeats the code using the other buttons, the XBee module sends a message to another XBee...
Microcontroller Programming 2
For this week's assignment, a chip design was provided, and the task was to incorporate a button and an LED (light-emitting diode). The objective was to fabricate the chip and program it to interact with the light and button. Given...
rgb color sensor on arduino
The next board presented is the ADJD-S371 Color Light Sensor Evaluation Board from SparkFun. This board emits light and analyzes the reflected color spectrum. It can be controlled via I2C, while the sleep and xclk pins were not utilized in...
IR On/Off Switch Using Microcontroller
Turning electrical devices ON or OFF using a remote control is a well-established concept, with numerous devices available that perform this function effectively. To create such a device, it is necessary to construct a receiver and a transmitter, as well...
two wire arduino knight rider
Connect eight LEDs to an Arduino and create a Knight Rider display using only two Arduino pins in this tutorial. This is achieved by utilizing a PCF8574 I/O expander IC.
To implement the Knight Rider display using an Arduino and a...
Sensors and Sensing
The ability to perceive colors, shapes, distances, spatial relationships, motion, and connectivity is integral to human experience and cognition. This perceptual framework enables interpretation of sensory information through a complex model of the environment. Robots, however, lack such inherent models...
Water Flow Gauge using Arduino
Measuring the consumption of a resource that has units by volume can be more challenging than it appears. Resources such as water, gas, and electricity are typically measured using gauges that determine either the instantaneous flow rate or the cumulative...