WhitneyDesignLabs
WhitneyDesignLabs
@whitneydesignlabs
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Joined: 2021-01-31 3:50 pm
Last seen: 2024-05-03 4:30 am
Topics: 8 / Replies: 100
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RE: Raspberry Pi 5, DC-DC Buck down power supply from 36v, best method?

@zander Could be the case. I paid about $30 for this phone charger. Which is a fair chunk of change if it is faking it. I avoided the cheapos, and g...

4 months ago
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RE: Raspberry Pi 5, DC-DC Buck down power supply from 36v, best method?

@zander I have a similar device incorporated into a USB C cable. Even when Pi5 is on the car charger with USB C PD, the cable's watt meter never shows...

4 months ago
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RE: Raspberry Pi 5, DC-DC Buck down power supply from 36v, best method?

Test complete. I built a harness to use two 5v gpio pins and two gnd gpio pins. I supplied 5vdc to these pairs from a 10 amp, 36v to 5v, dc-dc convert...

4 months ago
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RE: Raspberry Pi 5, DC-DC Buck down power supply from 36v, best method?

Here is a discussion about powering the Pi 5 with the gpio pins, and a configuration change: Might be an approach for me to try with the 5v output d...

4 months ago
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RE: Raspberry Pi 5, DC-DC Buck down power supply from 36v, best method?

Link didn't work. But here is the description of it on Amazon: 120W Car Charger USB C for iPhone 15 Pro, JOYROOM 3 Port Super Fast Car Charger Adapte...

4 months ago
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RE: Raspberry Pi 5, DC-DC Buck down power supply from 36v, best method?

@zander I will look into powering the board via the pins on the 40pin header. It also has a 4 pin PoE connector. I will also explore that idea as wel...

4 months ago
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RE: Raspberry Pi 5, DC-DC Buck down power supply from 36v, best method?

@zander I certainly can use 18650s in a custom pack. I have them on hand, and a spot welder for tabs. I was trying to stick to the 36v packs from the...

4 months ago
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RE: Raspberry Pi 5, DC-DC Buck down power supply from 36v, best method?

@zander Yes, I am actually running two Pi 5s in the robot and a handful of ESP32s, Teensy, Pico etc. (all battery operated starting with a native 36vd...

4 months ago
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RE: Hello everyone...

Hi Alj, Sounds like some very cool projects! I have a tub of X10 stuff, that I keep telling myself I need to put into a project. For years, I bought...

2 years ago
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RE: Rocker-Bogie large 6wd "Mars" rover style robot (wheelchair motors)

Out with the hobby servo / joystick controls! In with proper motor controllers (on loan from a friend)!

2 years ago
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RE: Rocker-Bogie large 6wd "Mars" rover style robot (wheelchair motors)

@robotbuilder Yeppers! I was thinking of putting a heap of screw heads, or studs, into those tubeless-tires. The day was icy and cold, and log pile wa...

2 years ago
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RE: Rocker-Bogie large 6wd "Mars" rover style robot (wheelchair motors)

Rover style robot is now operating by RC control. The servo-joystick drive system needs work. It is kludge to say the least. But lacking proper speed ...

2 years ago
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RE: Skipsailing reporting aboard

Here is some info from the Sailrite website: The one we bought for our Bernina was on eBay and had universal mounting brackets. Basically, in t...

2 years ago
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