▲ 1 r/lyons

Midsummer night's dream, rained out?

Did the performance of "Midsummer night's dream" go on Friday night despite the rain? Or was it canceled?

We have tickets for tonight, and it's supposed to rain again.

reddit.com
u/1Davide — 5 days ago
▲ 12 r/Greeley

The Big Boy 4014 steam engine with be in Greeley Wednesday, as part of the 250 year celebration.

up.com
u/1Davide — 24 days ago

The Big Boy 4014 steam engine has arrived in East Colorado as part of the 250 year celebration. It will be in Denver Tuesday (no public) and then North to Cheyenne.

up.com
u/1Davide — 24 days ago
▲ 475 r/electronic_circuits+1 crossposts

Thought y'all mind find this diode pulsing interesting

Using some iso to find hot components, noticed the diode changing causing the iso to pulse. Not sure if it's temperature or something else causing the motion.

u/1Davide — 30 days ago

A microscopic, hair-like metal filament can take down a billion-dollar satellite

u/1Davide — 1 month ago
▲ 5 r/PLC

PLC jobs & classifieds - Jul 2026

Rules for commercial ads

  • The ad must be related to PLCs
  • Reply to the top-level comment that starts with Commercial ads.
  • For example, to advertise consulting services, selling PLCs, looking for PLCs

Rules for individuals looking for work

  • Don't create top-level comments - those are for employers.
  • Reply to the top-level comment that starts with individuals looking for work.
  • Feel free to reply to top-level comments with on-topic questions.

Rules for employers hiring

  • The position must be related to PLCs
  • You must be hiring directly. No third-party recruiters.
  • One top-level comment per employer. If you have multiple job openings, that's great, but please consolidate their descriptions or mention them in replies to your own top-level comment.
  • Don't use URL shorteners. reddiquette forbids them because they're opaque to the spam filter.
  • Templates are awesome. Please use the following template. As the "formatting help" says, use two asterisks to bold text. Use empty lines to separate sections.
  • Proofread your comment after posting it, and edit any formatting mistakes.

Template

**Company:** [Company name; also, use the "formatting help" to make it a link to your company's website, or a specific careers page if you have one.]

**Type:** [Full time, part time, internship, contract, etc.]

**Description:** [What does your company do, and what are you hiring people for? How much experience are you looking for, and what seniority levels are you hiring for? The more details you provide, the better.]

**Location:** [Where's your office - or if you're hiring at multiple offices, list them. If your workplace language isn't English, please specify it.]

**Remote:** [Do you offer the option of working remotely? If so, do you require employees to live in certain areas or time zones?]

**Travel:** [Is travel required? Details.]

**Visa Sponsorship:** [Does your company sponsor visas?]

**Technologies:** [Required: which microcontroller family, bare-metal/RTOS/Linux, etc.]

**Salary:** [Salary range]

**Contact:** [How do you want to be contacted? Email, reddit PM, telepathy, gravitational waves?]


Previous Post:

reddit.com
u/1Davide — 1 month ago
▲ 4 r/led

Illumination for a long walkway in a park without AC power. Is it reasonable to send light through optic fibers (instead of huge low-voltage electrical cables)?

We need to light a long walkway in a park (500 meters). It requires 25 each 40 W light fixtures every 20 meters.

There's no AC power along the path, and paying an electrician to install AC power is very expensive. AC power is only available at one end of the path.

Low voltage DC requires large gauge cables, and they are also very expensive.

Solar is not an option (a Nordic country with little sun in the winter).

One of the option we're exploring is illuminators at the end of the path with AC power and fiber optic cable running down the path to some 50 light fixtures. I can't find much online to implement this. All I can find is dim, short-distance fiber optic illumination for pools and starlight effects embedded in the concrete sidewalk.

Are there fundamentally insurmountable technical or economic challenges to a fiber-optic solution?

Are there companies who provide the required equipment?

reddit.com
u/1Davide — 1 month ago

Illumination for a long walkway in a park without AC power. Is it reasonable to send light through optic fibers (instead of huge low-voltage electrical cables)?

We need to light a long walkway in a park (500 meters). It requires 25 each 40 W light fixtures every 20 meters.

There's no AC power along the path, and paying an electrician to install AC power is very expensive. AC power is only available at one end of the path.

Low voltage DC requires large gauge cables, and they are also very expensive.

Solar is not an option (a Nordic country with little sun in the winter).

One of the option we're exploring is illuminators at the end of the path with AC power and fiber optic cable running down the path to some 50 light fixtures. I can't find much online to implement this. All I can find is dim, short-distance fiber optic illumination for pools and starlight effects embedded in the concrete sidewalk.

Are there fundamentally insurmountable technical or economic challenges to a fiber-optic solution?

Are there companies who provide the required equipment?

reddit.com
u/1Davide — 1 month ago
▲ 87 r/regina

Looking forward to visiting.

Visiting Sk. From Colorado. We're timing our visit so we'll be in your city for the July 1st celebration and not in the US for the July 4th celebration. So good to be in Canada!

reddit.com
u/1Davide — 2 months ago

What is a polyanion (re: positive active materials in Li-ion and Na-ion cells)?

My search for a definition has given me conflicting ones. Is it an ion with 2+ extra electrons? Is it a ionized polymer?

"Polyanions are defined as negatively charged polymeric ions, which include examples such as poly(acrylic acid sodium salt) and various DNA oligonucleotides."

How does it differ from layered oxides? (Na-ion cells use either polyanions or layered oxides as the active material in the positive electrode.)

/ Electrical engineer with vague understanding of chemistry.

reddit.com
u/1Davide — 2 months ago

The Kembak 1 was the 1st personal computer, 1971. It used TTL ICs, not a microprocessor.

u/1Davide — 2 months ago