... sketch, it gets stored here permanently. It's like the hard drive on your computer – it keeps the code even when you turn the power off. So, when you power your Arduino back on, it knows what to do because the code is safe and sound in the Flash. SRAM (like RAM on your computer): This is your Arduino's working memory. When your code runs, it uses SRAM to store variables, temporary values, and all the stuff it needs to keep track of while it's running. Think of it like your computer's RAM – it's super fast, but it's volatile. That means when you turn the po ...

... They’re also cheaper and easier to find, which makes them great for most everyday electronics projects—like if you just WAnt to power an Arduino or some sensors and aren’t too fussy about space. In general, Li-ion is a nice, reliable option if you’re not pushing high current or cramming everything into a super tight space. Li-Po batteries, on the other hand, come in those thin, soft pouches and can be shaped in all sorts of WAys, which is awesome if you’re building something with unusual Dimensions or you need to save every millimeter of space. They can al ...

As you are new to electrical concepts, this explanation should be perfect for you. A transformer works by transferring electrical energy from one circuit to another using electromagnetic induction. It consists of two coils of wire: Primary Coil – Receives the input voltage. Secondary Coil – Delivers the output voltage. When alternating current (AC) flows through the primary coil, it creates a changing magnetic field around it. This magnetic field induces a voltage in the secondary coil, allowing electricity to be transferred without Direct contact. If the secondary coil has more turns than the primary coil, the voltage increases (Step-up Transformer). If the secondary coil has fewer turns, the voltage decreases (Step-down Transformer). Transformers are used in power transmission to efficiently transfer electricity over long Distances while minimizing energy loss.

Here are 15 amazing project ideas you can create using the ATtiny85 microcontroller: LED Matrix AnimationProgram an LED matrix to Display scrolling text or animations using the ATtiny85. Miniature Digital ThermometerBuild a small thermometer using a temperature sensor like LM35 or DS18B20 and Display the data on a tiny OLED screen. IR Remote Control SystemDecode signals from an IR remote to control LEDs, fans, or other appliances. Sound Reactive LightsCreate an audio visualizer where LEDs blink in response to sound or music using a microphone module. Capacitive Touch SwitchMake a touch-sensitive button using a conductive surface and the ATtiny85, perfect for smart home switches. Portable Motion DetectorUse a PIR sensor to build a portable motion detection alarm system for security purposes. USB Volume ControllerTurn your ATtiny85 into a USB HID device to control your computer’s volume with a rotary encoder. Tiny Weather StationMeasure temperature and humidity with sensors like DHT11/DHT22 and Display the readings on an OLED. Ultrasonic Distance MeterUse an ultrasonic sensor to measure Distances and Display them on a small Display. Blinking Bicycle LightCreate a small, energy-efficient blinking tail light for a bicycle, powered by a coin cell battery. Minimalist USB Game ControllerBuild a simple game controller for retro-style games with buttons connected to the ATtiny85. PWM Fan Speed ControllerControl the speed of a DC fan using pulse-width modulation and a temperature sensor for feedback. ATtiny85 Robot BrainPower a small robot with an ATtiny85, controlling motors and sensors for basic navigation. Night Light with Light SensorCreate an automatic night light that turns on in low-light conditions using an LDR and LEDs. Tiny Digital StopwatchDesign a simple stopwatch with start, stop, and reset functions using push buttons and an OLED Display. These projects highlight the versatility of the ATtiny85 and can help you learn more about electronics, programming, and sensors. This site is hands Down the best for projects related to ATtiny85. So, definitely check it out.

... time. You’ll find BLDC motors in things like drones, electric cars, power tools, and even PC cooling fans. They’re everywhere these days because they’re compact, powerful, and pretty low-maintenance. How it Works: Rotor and Stator: The rotor (which spins) has permanent magnets, while the stator (which stays still) has coils that generate a magnetic field. Electronic Control: Instead of brushes, it uses an electronic controller to switch current through the stator coils in a specific sequence, creating a rotating magnetic field. Magnetic Attraction: This ...

... Unit) and needs external components like memory (RAM/ROM), input/output interfaces, and peripherals to work. Think of it as what you’d find in a computer, like an Intel Core i7 or an AMD Ryzen. It’s designed for complex tasks and multitasking. Applications: Computers, laptops, and smartphones. Flexibility: You get to design the system around it by adding the components you need. Microcontroller (MCU): A microcontroller, on the other hand, is more like an all-in-one package. It includes a CPU(a processor), memory (RAM/ROM), and peripherals like GPIO pins ...

Hey there! The continuity function on a multimeter is super handy, especially when you're troubleshooting. It's the only function I have used more than a few hundred times. Sounds like you’re already on the right track using it to check connections, but here are some more WAys I’ve found it useful: Broken Wires: I use it all the time to check for breaks in wires. Especially when making breadboard projects. The jumper wires really annoy me when I find out the circuit is not working because of just that one faulty jumper wire. So now, before using any jump ...

Hello fellow tech enthusiasts, I am totally new to this field of microcontrollers. I saw my friend doing some cool projects using an Arduino board called UNO. This got me interested in buying myself one. After some research, I have narrowed it Down to two popular options: the Raspberry Pi Pico and the Arduino Uno. Both seem great, but I'm not sure which one would be the best fit for a beginner like me. On one hand, UNO has a very active community and is easy to start with. On the other hand, Pico supports both Python and Arduino programming and is more powerful. I'm particularly interested in hearing from those who have used both platforms. Which one would you recommend for someone just starting out? Any specific pros and cons that might help me make a decision? Thank you very much.

Thermistors cost much less than the LM35 temperature sensor but require calibration due to their non-linear nature. At the same time, a thermistor is more accurate and precise(down to +/- 0.1°C) than an LM35(around +/- 0.5°C). LM35: Very easy to integrate with Arduino. You can read the output voltage Directly using an analog pin, and with simple conversion (multiply by 100 to convert from mV to °C), you get the temperature. Thermistors: While they can be integrated, they often require additional components (like a resistor for a voltage Divider) and more complex calculations to convert resistance to temperature. This can make them slightly more challenging to set up. Main Differences Feature LM35 Temperature Sensor Thermistor Type Integrated circuit (analog voltage output) Resistor (typically NTC or PTC) Output Outputs a linear voltage (10 mV/°C) Resistance changes non-linearly with temperature Temperature Range Typically -55 to +150 °C Varies, but generally -40 to +125 °C Accuracy Typically ±0.5 °C or better Can be very accurate, but depends on the type and calibration Response Time Fast response time Generally fast but varies by design Ease of Use Simple to interface with Arduino (analog input) Requires more complex calculations for linearization Calibration Usually factory calibrated Often requires calibration and look-up tables for accuracy For most projects requiring precise temperature monitoring with reliable readings and ease of integration with Arduino, the LM35 is likely the best option. However, if you need the highest accuracy and can manage the additional complexity, consider using a thermistor P.S.: LM358 is an OP-AMP IC. LM35 is a temperature sensor.