#ao3#ao3 fanfic#writeblr#writing community#archive of our own
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BQ25185 all-in-one Li-Poly board with 3.3V out ๐๐โก
We had a previous version of this 3.3V buck output board with an MCP73831, but now we've replaced it with a BQ25185, which makes it a little more flexible: Vin can be up to 18V, and solar panels will work, too. There's also a power path and 4.5V regulated output. This charger chip can handle LiFePO4, but for that chip, we might swap the buck for a buck-boost or a boost / LDO to get the solid 3.3V output. Coming soon.
Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch โข No registration required โข HD streaming
Coming soon - hippity hoppity here comes a floppity ๐พ ๐
We had a quest to do some floppy projects back in 2022 (https://blog.adafruit.com/2022/02/09/refactor-of-adafruit_floppy-for-timer-support-mac-disk-success/) but our eyes were bigger than our BOM - many components we designed into this floppy interface board were not availableโฆ but now we're back and it's time to make the bestest floppy archiver/writer/emulator(?)
First is the power supply - we need both 5V and 12V. We tried sourcing split 5/12V supplies but were not successful. so instead we can have a 12V power plug and a 5V ~3A buck converter based on the TPS563201 (https://www.digikey.com/en/products/detail/texas-instruments/TPS563201DDCT/5813458). we've also got a TPS259540 12V OVP chip (https://www.digikey.com/en/products/base-product/texas-instruments/296/TPS259540/28780) to make sure the 12V power supply doesn't get swapped with a 15V by accident. USB C can be used when no 12V is needed.
An RP2040 does all the heavy lifting for floppy interfacing. There's a 16M onboard flash plus an optional MicroSD card, so you can save raw disk flux dumps or 1:1 images. We tossed a 1.3" color TFT that might be useful for status updates. Also, we'd like to enable the ability to do off-line archiving - no computer is needed, and a display is essential.
Right now, we only have standard 34-pin IDC and 26-pin 'laptop' floppy pinouts. But we might look at adding disk ][ as well, since we got some Apple disk reading working. Since we have some silksreen room - the PCB is floppy disk sized but tbh we don't need that much space - we added some adorable floppsy bunny art.
Diodes introduces four new automotive-compliant* asynchronous buck converters for 48V low-voltage rail point-of-load (PoL) applications.
WE ARE LIVE! Desk of Ladyada - BQ25185 pt 2, DVI HSTX, LPS28, and CP2105 https://youtu.be/488quIh8Pis
Two BQ25185 boards were designed: a LiPo charger and a 3.3V buck output variant. The corrected HSTX to DVI converter boards were tested and ordered. Revisited the LPS28 breakout project and found a dual-UART USB chip (CP2105). Locating an ultra-thin RG-174 coax cable.
A lipo charger with a buck built-in
We often have projects that want to run off a lipo, but you need an external regulator to handle the conversion from 3.7~4.2V down to 3.3V. This little board will do the job for you: it has USB Type C power and a 500mA charger chip for standard 1-cell poly/liion cells. a TLV62569 3.3V buck converter will give you a nice 3.3V output
This little buck converter based on the TLV62569 3.3V is super handy, taking up to 5.5V input and providing a 3.3V output with up to 1.
at up to 1A max without worrying about heat or LDO power lossage. When the USB is plugged in, the power into the buck will auto-switch to it so your battery doesn't cycle unnecessarily.
Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch โข No registration required โข HD streaming
๐๐๐๐๐๐ ๐๐ ๐ญ๐จ ๐๐ ๐๐ฎ๐๐ค ๐๐จ๐ง๐ฏ๐๐ซ๐ญ๐๐ซ ๐๐๐ฃ๐ฎ๐ฌ๐ญ๐๐๐ฅ๐ ๐๐ญ๐๐ฉ ๐๐ฉ ๐ฉ๐จ๐ฐ๐๐ซ ๐ฌ๐ฎ๐ฉ๐ฉ๐ฅ๐ฒ ๐ฆ๐จ๐๐ฎ๐ฅ๐ ๐ฉ๐๐๐ค ๐จ๐ ๐๐ฉ๐๐ฌ
Specifications :-
Adjustable output
Module Properties : non-isolated constant voltage module
Rectification : non-synchronous rectification
3Short circuit protection : current limiting
The built-in thermal shutdown functionย
๐๐ฎ๐ฒ ๐๐จ๐ฐ : https://electronicspices.com/product/mt3608-dc-to-dc-buck-converter-adjustable-step-up-power-supply-module-pack-of-1pcs
MT3608 DC to DC Buck Converter Adjustabe Step Up Power Supply Module! Our product is perfect for those looking to power up their projects with 1Pcs. Our step-up power supply module is durable, easy to install, and provides stable and reliable power to your circuits. Buy now and experience efficient and safe power delivery!
Microcontrollers make Webs too Development Boards.
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