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8, 16, 24, 32 KB RAM internal expansion for Commodore VIC-20 + BASIC EPROM adapter
giobbi Dec 31,2022
This is a tested and working project. Images taken from the real project.This board allows to add 8 KB, 16 KB, 24 KB or 32 KB to your unexpanded VIC-20. As plus feature, it comes with an adapter that permits to replace the original BASIC ROM with a 2764 EPROM.Requirements:The board is installed in the BASIC ROM socket. If you BASIC ROM is soldered on the board, you need to remove it and replace it with a 24-pins socket.Required parts (for 32 Kb full expansion):4x 6264 8KB SRAM DIP ICs. Note: you...
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Commodore PET - 2332 ROM to 2732 EPROM adapter
giobbi Dec 31,2022
This is a tested and working projectThis adapter is intended for replacing the original 2332 BASIC and Kernal ROM with a 2732 EPROM in the Commodore PET / CBM computers (i.e. 3032, 4032, 8032, 8032-SX, etc.). Note: it could work also in other environments, but it was tested for the above case only.Note: it doesn't work with PET 2001 - 4k / 8k with 6540 ROMs. Use my other adapter for 6540 ROMs instead: https://www.pcbway.com/project/shareproject/Replacement_for_Commodore_6540_ROMs_PET_2001_early_...
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PiSCSI 'Drive'
Leverett Dec 30,2022
Old SCSI hard drives and cd-rom drives are at the end of there life and failing .They are not being made anymore , so what is the Retro computer enthusiast to do ?Use the PiSCSI software on a Raspberry Pi to emulate all sorts of SCSI devices.The PiSCSI software allows several devices or drives to be emulated at the same time!!This interface allows the connection of a Raspberry Pi to the SCSI bus via a 50pin IDC connector and fits in a 3.5" Hard Drive space.Please note :- There is NO PARITY on th...
5th PCB Design Contest-Next Generation Hardware DIY Commodore
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Escritor 1.01E (1985) Commodore 64
Conde López Dec 28,2022
Escritor 1.01E cartridge for commodore 64 by Casa de Software (1985).Software, scans and label available in my twitter: https://twitter.com/inter981/status/1608122219510779905
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LAN тестер на Ардуино
Yura Dec 28,2022
Устройство позволяет проверять состояние кабеля, а также очередность проводов в патч-кордах, сделанных из витой пары (RJ-45 UTP/FTP). Также может осуществляться: тестирование правильности соединения каждого провода в кабеле, проверка правильности обжима, наличия обрыва или короткого замыкания, также определять расстояние до обрыва кабеля. Устройство выполнено на Ардуино Мини. Информация выводится на индикатор NOKIA 5110. Схема приводена нижеУстройство состоит из собственно LAN тестера и адаптера...
Christmas2022 Arduino ESP8266
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Электронная нагрузка 2 ч. вторая плата
Yura Dec 27,2022
При работе с батареями (аккумуляторами), импульсными (SMPS) или любыми другими источниками питания часто возникает потребность в проверке их работы в различных условиях, то есть под различной нагрузкой. Устройство, которое обычно используется для этих целей, называется нагрузкой постоянного тока (Constant Current DC Load) и позволяет проверить выходной ток вашего источника питания и поддерживать его постоянным до тех пор пока не понадобится изменение условий его работы. В данной статье мы рассмо...
Christmas2022 Arduino DIY
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Электронная нагрузка 1ч. начало
Yura Dec 27,2022
При работе с батареями (аккумуляторами), импульсными (SMPS) или любыми другими источниками питания часто возникает потребность в проверке их работы в различных условиях, то есть под различной нагрузкой. Устройство, которое обычно используется для этих целей, называется нагрузкой постоянного тока (Constant Current DC Load) и позволяет проверить выходной ток вашего источника питания и поддерживать его постоянным до тех пор пока не понадобится изменение условий его работы. В данной статье мы рассмо...
Christmas2022 Arduino DIY
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Minecraft Redstone Ore Lamp
Arnov sharma Dec 20,2022
Hey Guys how you doing.Played any Minecraft before? Naturally, you have. Here is a Minecraft-based project!The REDSTONE ORE BLOCK is entirely made of PCBs; it has LEDs within, and the outside can see their glow.The design of this block PCB is also fairly straightforward. 13 LEDs are driven and blink by an astable multivibrator circuit; each LED is soldered upside down, and the solder mask is left open on both layers around the LEDs to allow light from the LEDs to pass through the FR4 b...
Arduino ESP8266 DIY
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LATTEintosh Cooling System
Arnov sharma Dec 17,2022
Hey everyone and welcome back.So several weeks ago, I created the "LATTEintosh PC," a Mini PC inspired by the Macintosh 128K that uses the Latte Panda 3 Delta SBC as its brain and features a perfect IPS display in addition to a whole body 3D printed from PLA.It runs Windows 10 and can serve as a daily driving computer if you only require a device for online browsing and casual gaming.Everything was excellent, but when playing some games, like CSGO, the onboard Mobile Intel Processor ge...
3D printing SLA Commodore
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Raspberry Pi Pico as HID Mouse
Arnov sharma Dec 15,2022
Hello Everyone.So here's a fun little project that tackles a major issue with the Raspberry Pi Pico Microcontroller.The Raspberry Pi Pico's pinout information is located on the bottom side of the board, which makes prototyping difficult. When we mount the device on a breadboard, we have to utilize a reference guide to determine which pins are whose, which is a messy procedure.All the pinout details are on the top side of the expansion board I made. To showcase the Pico's HID capabilities, we con...
Arduino ESP8266 Commodore
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