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G ▓▓▓▓  ▓ ▓ ▓                 ╭┬┬┬──────────┬──┄ KKJ'22
E ▓  ▓ ▓▓ ▓ ▓      ╭──────────┻┻┻┻─╮        ≡
M ▓  ▓  ▓  ▓     ╭─▶ P O W E R E D :╮╭─╮  ┄─┴─░─▒─▓─▓─┄
I ▓▓▓▓  ▓ ▓ ▓    │ │     ┄b┄y┄     ┃├──◇─╮ SOLAR CELLS \\
N ▓     ▓ ▓ ▓    │ ≡ E S P 8 2 6 6 ◀╯╯ ╰~│──────────────┄
I ▓     ▓ ▓ ▓    │ ╰━━━━━━━━━━┳┳┳┳━┛ 32-bit ◇ 80MHz ◇ WiFi
╰────┄CAPSULE┄───╯   ╰───────┄◇◇◇◇┄─────────────────────────╮
                                    ▶ EST. 19 November 2022 │
■■■■■■■■■■■■■■TENSILICA■DIAMOND■STANDARD■106MICRO■RISC■CPU■◀╯

P1X Gemini Capsule

UPDATE: Winter has come. We have little to no sun. During those dark times I get back to USB power.

Low-tech, High-life

In true low-tech fasion I'm hosting this micro capsule from a €1 microcomputer powered by a solar energy!

Image of the capsule in its natural environment ;) [29.2KB]

Solar-powered means that it is ON-LINE only when there is enough sun thru the day to recharge the battery.

It's a proof-of-concept an a little poligon. My end goal is to have small, cheap and realiable device to host gemini capsules in the rural areas.

Hardware List

• 🖳 ESP-01S ~€1
• 🌞 Solar cell 0,7W/5,5V €4.10
• 🂠 Lipol charger TP4056 1S 3,7V €1.37
• 🔋 EMAX 1s 450mAh battery ~$9 (I got mine from a drone)

Hardware Specs

Specifications of 🖳 microcontroller

• ESP-01S
• 80MHz RISC 32-bit CPU: Tensilica Diamond Standard 106Micro
• 32KiB RAM RAM: 32 KiB instruction, 80 KiB user data
• 1MB FLASH (~420KB for user data)
• WiFI 2.4GHz
• 220mA in peek power usage
• 3.3V / 250mA

Specifications of 🌞 solar cell

• Power: 0.7 W
• Output voltage: 5,5 V
• The dimensions of the plate: 95 x 95 x 3 mm

Specification of 🂠 TP4056

• Power supply voltage: (microUSB or IN connectors) from 4.5 V to 5.5 V
• Charging voltage: 4,2 V
• Maximum charging current: 1 A
• Module dimensions 26 x 18 mm

Specification of 🔋 battery

• Voltage: 1s 4.35v HV
• Capacity: 450 mAh
• Discharge rating: 80c/160c

Solar Log

Read logs from first days of testing.

Solar Log

Documentation

Read the tutorial how to make your own!

Create your own gemini server

Read more

Check out my other capsule served from a real floppy disk!

gemini://floppy.p1x.in

Contact

You can contact me by email:

• 📧 kj@p1x.in

I'm also at Twitter and Mastodon:

• @w84death
• @w84death@mastodon.social

G ????  ? ? ? ?
E ?  ? ?? ? ? ? CC0 P1X
M ?  ?  ?  ?  ? Proudly curated by
I ????  ? ? ? ? Krzysztof Krystian Jankowski ?
N ?     ? ? ? ? ???????????????????????????????????????
I ?     ? ? ? ? Powered by Raspberry Pi & Agate Server
????CAPSULE????