Cov txheej txheem:
- Kauj ruam 1: Qhib Hp48
- Kauj ruam 2: Txheeb xyuas cov Txuas
- Kauj Ruam 3: Cov Lus Sib Tham
- Kauj Ruam 4: V-USB-Firmware-Only USB Driver rau Atmel AVR Microcontrollers
- Kauj Ruam 5: Thawj Circuit
- Kauj ruam 6: Coding & Uploading
- Kauj Ruam 7: Xeem
Video: USB48G - Upcycle Broken Hp48 Keyboard: 7 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Ib txoj hauv kev coj los ua haujlwm rau qhov tawg hp48.
Rov qab siv cov keyboard thiab ua kom nws ua haujlwm raws li tus qauv usb keyboard.
Kuaj: Txheeb xyuas youtube:
Cov vis dis aus qhia cov keyboard ntsaws rau hauv Windows 10 khiav EMU48+.
Kauj ruam 1: Qhib Hp48
Qhib hp48 tsis yooj yim li. Ceev faj, koj pheej hmoo ua rau koj poob.
Kuv pom cov ntaub ntawv hauv qab no muaj txiaj ntsig:
documents.epfl.ch/users/f/fr/froulet/www/HP…
www.hpcalc.org/hp48/docs/opening/
users.ju.edu/hduong/repair/
Kauj ruam 2: Txheeb xyuas cov Txuas
Cov khoom sib txuas ntawm kuv cov keyboard muaj kev tiv thaiv ntawm
* 8 kOhm kaw thiab
* 2 MOhm qhib.
hp48 Backside Circuit:
hp48 Backside Circuit:
Cov Lus Qhia: A9, A10, A11, A12, A13, A14, A15, A16, AR17
Cov tswv yim: A0, A1, A2, A3, A4, A5, ON-keyboard
Kauj Ruam 3: Cov Lus Sib Tham
grack.com/writing/saturn/saturn.txt
Kauj Ruam 4: V-USB-Firmware-Only USB Driver rau Atmel AVR Microcontrollers
Txoj haujlwm tau tsim los ntawm: https://www.obdev.at/products/vusb/index-de.html thiab
Ua tsaug rau qhov tau coj USB mus rau atmega tsev neeg
Kauj Ruam 5: Thawj Circuit
Daim duab qhia pom thawj zaug. Nws ua haujlwm tawm, yog li ntawd cov xov hlau-tsis tau hloov pauv …
Lub usb plug subsitutes lub serial ntsaws. ACRISP Plug nyob tom qab IR-npog.
Kauj ruam 6: Coding & Uploading
Txuas cov cai. Nws ua haujlwm hauv AVR Studio4.
Kauj Ruam 7: Xeem
Cov keyboard zoo li cov keyboard txheem thiab tsis xav tau tus tsav tsheb ntxiv.
Pom zoo:
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