JimJtron
JimJtron
@jimjtron
Member
Joined: 2021-02-19 10:47 am
Last seen: 2024-02-07 10:43 pm
Topics: 3 / Replies: 12
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RE: Can’t find a certain video.

Thanks Ron, I only said yesterday that maybe PlatformIO is bit too much to handle & luckily, the course I’m doing does allow you to use IDE 2.0 so...

2 months ago
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RE: Can’t find a certain video.

@zander Thanks Ron, I can see the examples but they seem to refer to arduino shields etc. " sample for SAMD21 running WiFiNINA shield" for example...

2 months ago
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RE: Can’t find a certain video.

Thanks Dave and others. It may have been IoT cloud which means it won’t be good for my project which is on a farm away from the Internet. Project is ...

2 months ago
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Replies: 7
Views: 196
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RE: IR Remotes & Microcontrollers - Arduino & ESP32

Hey Bill! You have a circuit showing an NPN transistor. You show 2 choices to use. A 2n2222 and a 2n3906. BUT the latter is a PNP type. I am guessing ...

5 months ago
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RE: Raspberry Pi Replacements

I would prefer not to have to learn another platform so I'm happy to see your Pi 4 videos and refer to them in the future.

1 year ago
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RE: Tank Water level Transmitter Project

Update. Looks like I spoke too soon. With the pins around as original, the 433Mhz transmissions wont work but the Ultrasonic sensor does. Visa Vers...

2 years ago
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RE: Tank Water level Transmitter Project

Oh Dear! How utterly embarrassing. I found the problem. I made a copy of only the Radio 433Mhz code that works with the DHT sensor. Slowly I adde...

2 years ago
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RE: Tank Water level Transmitter Project

Thanks to all for your replies. I think it’s best if I summarise what happened BEFORE I started hacking / adding code. Code from the Drone Wor...

2 years ago
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RE: Tank Water level Transmitter Project

Thanks Ron. I'll check but the original code without msg1 worked without issue. So I have not tampered with that section. I'm still highly suspici...

2 years ago
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RE: Tank Water level Transmitter Project

I have an update. My edit window just expired after pasting code and photos. The sketch compiles and uploads without errors. It's the behaviour o...

2 years ago
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Replies: 13
Views: 971
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RE: Fluctuating-5 to +5 V signal

It should be possible to use an opto coupler (opto isolator) like a 4N35 to translate and isolate the split signal to a 0 to +5 volt signal. The opto...

3 years ago
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RE: Help with a L7805 Linear Voltage Regulator

Gidday. A lot of electronics beginners get trapped with these linear regulators. You may be surprised to find how little output current you can supp...

3 years ago
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3 years ago
Replies: 1
Views: 1003