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    UART communication between RPI Pico W and Arduino Nano

    Here is a tutorial on UART communication between the Raspberry Pi Pico W and the Arduino UNO: https://electrocredible.com/raspberry-pi-pico-serial-uart-micropython/ You can use a logic level converter, as shown here, too.
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    Identify 1960's Diode Manufacturer By Logo?

    I think a picture will be more helpful.
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    Capacitor value query

    I also believe the value is right. The size looks as same as tantalum caps available at different websites: https://il.farnell.com/multicomp/mccb1c336m2dcb/cap-33-f-16v-20/dp/9708367
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    How does microchip store data?

    In case of microcontrolelr, the program is stored inside the Flash memory. Flash memory is erased and rewritten every time you program the chip. If you want to store any data permanently, you have to write it in the EEPROM.
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    What motion sensor to choose

    If the common PIR, does not fulfill your requirement, I think you can consider SONAR sensor instead. https://www.theengineeringprojects.com/2018/10/introduction-to-hc-sr04-ultrasonic-sensor.html But HCSR04 will not detect movement. That will detect your presence in front of the bin. If you are...
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    The T-Board keyboard. And my first PCB! (Designed with OsmondPCB.)

    I'd love to see a video demonstration.
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    Altium Designer

    You can post this to the altium forum.
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    Testing Operational Amplifiers

    The best way is the see the datasheet. You have to build an application circuit exactly as shown there and see if it behaves accordingly.
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    Timer circuit

    The easiest solution that is comming to my mind is, Power supply-》 Arduino...》Relay...》Sprinkler
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    Help identifying smd component

    From your description, it sounds like a rotary encoder. But from the picture I cannot figure out further details.
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    Schematic drawing utilities

    KiCad is good. You can also try easyeda.
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    beginner- Arduino Uno DC motor h-gate problems

    Hello, I suggest you test your H-gate IC with a separate power supply directly. Disconnecting from the Arduino.
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    LED Arduino Control

    You can get an idea from this tutorial: This video uses Slide POT instead of a knob system. But the basic principle will be the same. If you ever wish to make something more aesthetic, you can make an LED strip connector for LED fireworks like this...
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    I need some advice on the operation and programming of Infineon SLE78, Atmel ATA5577M1 microcontrollers/chips.

    You can post your requirement to the freelancing platforms. Since, you are looking for a paid consultant, this will be better. I have no experience of using these chips. So, I cannot offer any service.
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    Controlling Agilent 8510C with Matlab

    The code you provided seems to have a minor issue with the variable name. You define the serial port name as omPortName but later refer to it as ComPortName when creating the serial object. To fix this issue, you can update the code as follows: comPortName = 'COM3'; sport =...
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    Solder smd

    Thinning down flux is not recommended to do so because it can change the chemical composition of the flux and affect its effectiveness. Instead, you may want to consider trying a different brand or type of flux that is thinner and easier to work with.
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    Electronic door lock is safe?

    Electronic door locks are typically designed to withstand high temperatures and are made of materials that are resistant to heat and flames. That being said, it's always a good idea to have a backup plan in case of a fire, such as a secondary exit or a manual override for the door lock...
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    Is there a tutorial for how to post a project on this site?

    Sorry. Could not find any tutorial. You have to login. Go to the menue (marked with 3 horizontal straight lines)and then click on 'start project'.
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    Why Does My iPhone Overheat and How Can I Resolve It?

    I think it will be better to post this to iphone users community(if you already have not done that.)
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    Does anyone recognize this company logo?

    It looks like a BNC connector to me.
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