19513 Results for "《〈 문의 OIO↗5793↗7458 》〉 셔츠룸ヒ《〈 문의 OIO↗5793↗7458 》〉㎛beforehandム셔츠룸후기셔츠룸후기╇pen 선릉셔츠룸셔츠룸가격 셔츠룸‰강남셔츠룸㉦nestㅳ"

Welcome to the project, decl!
Log from Exploring the Science Fair Microcomputer Trainer
@decle has joined us - great to have you on board, welcome! Check out his YouTube channel. He implemented Nybl - a Science Fair emulator using the original ROM that runs on the Intellivision, and also has developed a method of dumping a TMS...

Not quite modular yet... sunk cost?
Log from Modular Pi Cam
Oh man... so I've been trying the wide angle camera and I'm just disappointed honestly... I guess what do I expect you know? You can't compare this to a real camera eg. Sony Alpha Nex-5n (APS-C camera from 14 yrs ago). I went ahead and ordered the standard...

The first one!
Log from Anwaar Amulet - The story so far
Project Log #1 Little sparks for a gift - sometime in 2019 I think. When I moved to colorado about 5 years ago I got a job in PCBA assembly. It sparked a lot of on and off the job learning about circuit boards and their manufacture. In another lifetime...

PCB Bringup
Log from Battery powered LED pulse counter
I received the PCBs from JLCPCB which look great, however I have found some issues with the board: The TPS61023 boost converter IC I selected will operate down to 0.5V input, but I managed to overlook the point where it states that it requires 1.8V...

Photos
Log from HP437B power meter teardown
Front view: Rear view: Bottom view, feet; Two screws were hidden under the round calibration labels. Bottom view, two rear screws hidden under the feet: Side view, pull the sticky bits off: Complete top board: Ooh look, a 68B09E. The 63B40 is a programmable...

Blue Pill Emulation
Log from TI-57 Programmable Calculator Hardware Retrofit
Another key part of ensuring that replacing the TI-57's TMC1500 "brain" is possible is to ensure that the MCU has enough throughput to emulate it. My initial assumption was that a 64MHz 32-bit ARM MCU should be more than up to the task of emulating a...

Power Supply and Lid
Log from TI-57 Programmable Calculator Hardware Retrofit
Rcl57mcu wants a 3.5-5V supply. So, even if I could resurrect the dead BP-7 NiCd pack/lid, it won’t work for this upgrade. I will instead recycle the tried-and-true USB charged 3.7V LiPo supply that I’ve used for HP Classic, HP-28S, and TI-58/59 supply...

PSU #095, a CPX400SP
Log from Thurlby Thandar PSU repair
This is a switch-mode PSU, so the mains is rectified to around 400 volts DC inside. Extra care is required to avoid touching this dangerous part of the PCB. This can be remote controlled by GPIB, RS232, USB or Ethernet. The user manual is here: CPX400S+SA+SP_Instruction_Manual-Iss9.pdf...

Photos
Log from PM5515 TV Pattern Generator teardown
It is big... The daughter board on the left has a ROM that seems to hold the patterns. It uses an SAA1043 universal sync generator. A module can. An 8085, 8155, and EEPROM. The 8155 contains 2K of RAM. 4012 110 10812 Digital Board For PM5515: 4012 110...

EXTRA UPDATE - DANGEROUS?
Log from NOOBIX IOT
READ THIS:● Some of you guys on the community commented that the AC high voltage clearance is too low. YES, YOU ARE RIGHT! I usuall add copper plane to all my PCBs and that was a mistake made ina hurry. So even if you see a bad clearance in the...

Day 2 (part 1) - Fabric, Access, Workshop and LEDs!
Log from Cultural Integrity (at the Dethrone Hackathon)
The big hacker day was upon us and the gears were in motion! Julia jumped into action during morning solo hacker time. She went to the Mission Fabric Outlet store to find our throne-worthy textiles, as well as coordinating with a participant...

Day 2 (part 2) Rap Music & "Shopping"
Log from Cultural Integrity (at the Dethrone Hackathon)
Julia and I rushed over to TAP plastics, hoping to get our acrylic sheet before closing. On the car ride over, I opened my CD case and asked Julia, "is there any music thatyou'd like to hear?" "You just have old people music, right?'" she said. She wasn't...

Day 2 (part 3): Spray Cans, Ultrasonics, and Mischief
Log from Cultural Integrity (at the Dethrone Hackathon)
Once we got back to my apartment, the fatigue began to set in. It had been a long day already, with nonstop running around. I asked Julia if she could wait for a few minutes while I rested. She was totally understanding and didn't give me...

What have I got?
Log from Interak Computer Restoration
The first step, after wiping-off the accumulated grime and surface corrosion, was to assess what I have. Within the very large - and very heavy! - case were four cards - an MZB-3 CPU card, a VDU-2K (composite video only) 'graphics' card, an FDC-1 Floppy...

Time to order the hardware
Log from MQTT hack for OpenSprinkler OSPi
Since I now can provide moisture sensor values via MQTT to OSPi, it's time to order a board and the other necessary hardware. As I understand, there are plans to integrate MQTT subscriptions into the OpenSprinkler firmware. I hope that this will...

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