Royz
Royz
@royz
Active Member
Joined: 2020-03-15 2:42 pm
Last seen: 2022-07-25 5:34 pm
Topics: 0 / Replies: 8
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RE: L298N H-bridge 5v output

Ok, figured out what was happening when used power supply to trigger inputs to L298 while rest powered by battery. The scope was tying the earth grou...

2 years ago
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Replies: 2
Views: 452
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RE: ESP32-CAM lost sketch

Kind of late to the party, but IO4 controls the white LED. You can test by just powering up esp32 with 3.3v and ground and putting a high on IO4 pin...

2 years ago
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RE: Arduino and Electronics on youtube

If you like Arduinos and ESP32s, check out Lots of great tutorials and several on the ESP32 cam last done by Bill. Well explained and step thru al...

2 years ago
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3 years ago
Replies: 1
Views: 865
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RE: Question about 74hc165 shift register

I suppose if you are going to use resistors, one could also string a series of them in a multistage voltage divider and connect switches at each junct...

3 years ago
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Replies: 3
Views: 800
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RE: 18650 Battery Fairytales

Many of the battery packs in laptops use about 9 18650 cells. Most are good quality and you can usually salvage several good ones from old packs. So...

3 years ago