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| # | Post Title | Result Info | Date | User | Forum |
| Answer to: Suggestions for Good ATtiny85 Projects | 2 Relevance | 1 year ago | Admin | Circuits and Projects | |
| 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. | |||||
| Answer to: What is the maximum operating frequency? | 2 Relevance | 1 year ago | Admin | Theoretical questions | |
| Hi, You can check its datasheet for this. The maximum operating frequency depends on its internal components and architecture: M9K Embedded Memory Blocks:Maximum operating frequency: 315 MHz for Cyclone III devices. Global Clock Networks:Maximum frequency: 315 MHz. Internal Logic:Achievable frequencies depend on the Design, but a typical maximum is 200 MHz, influenced by factors like logic depth and routing. | |||||
| Answer to: What connector do I need? | 2 Relevance | 1 year ago | Admin | Circuits and Projects | |
| ... and latch Design are typical of JST PH connectors. To replace:Female Side (Cable): Search for “JST PH 2.0mm 2-Pin Female Connector with Wires” (pre-assembled).Male Side (PCB): Look for “JST PH 2.0mm 2-Pin Male Header” to solder onto the PCB. Alright, that mess on the board? Totally fixable. You can try this: Grab some isopropyl alcohol (the stronger, the better – like 90%+). Find a soft toothbrush (or anything soft-bristled). No need to get aggressive here; gentle scrubbing works best. Dip the brush in alcohol and start scrubbing off the gunk. For real ... | |||||
| Answer to: Linear voltage regulators Vs Switching voltage regulators? | 2 Relevance | 1 year ago | Admin | Theoretical questions | |
| ... the more energy is WAsted. But they are super easy to use—just a few capacitors and you're good to go. Perfect for quick projects where you don’t need high efficiency. Switching regulators (like the LM2596) switch the input voltage on and off at high speeds, and use inductors/capacitors to store and release energy efficiently. Because of this, they are highly efficient—usually 80% or better. This makes them a great choice for battery-powered projects or situations where you need to drop a lot of voltage without WAsting power. But they’re a bit more complic ... | |||||
| Answer to: Differences Between LM358 Temperature Sensor and Thermistor? | 2 Relevance | 2 years ago | Jignesh | Theoretical questions | |
| 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. | |||||
| Answer to: What’s the difference between a Microprocessor and a Microcontroller? | 2 Relevance | 1 year ago | Admin | Theoretical questions | |
| ... 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 ... | |||||
| RE: Is Arduino still relevant in 2024? | 2 Relevance | 2 years ago | Jeffmon | Arduino | |
| ... charger that I WAs recently involved in ran into over $23,000. The unit used a PIC Microcontroller and could charge 4 batteries of all construction types. 70% of this charge WAs in the 9 prototypes that were required. The PCB engineer and the software engineer put in many, many hours. Have you seen the dollars amount an engineer commands these days? My job WAs simple. I Designed the power switching interface between the Microcontroller and the battery. An Arduino MEGA would have made this task much cheaper but we are aligned with Microchip and are ther ... | |||||
| RE: Is Arduino still relevant in 2024? | 2 Relevance | 2 years ago | Jeffmon | Arduino | |
| Hi guys "Not cost effective " is a relative term. Yes the Arduino units are bulky and relatively expensive but in some (many) cases they are the only WAy to go. Using a single chip to do what an Arduino unit can do first requires a PCB to be Designed and often several will need to be done before the Design is ready. Prototypes then need to be made and again many, then components need to be purchased along with the inevitable out of stock lines sometimes requiring a redesign all blow out to often quite large production costs. I know I did this many times. T ... | |||||
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