Cov txheej txheem:
Video: Credit Card Sized Contactless Voltage Detector (555): 3 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Lub tswv yim tuaj saib lwm Cov Lus Qhia:
www.instructables.com/id/Contactless-Volta…
Kuv tau xaiv qhov tsim nrog 555 vim tias kuv muaj ob peb 555 nyob ib puag ncig thiab kuv nyiam tsim cov phiaj xwm me, ib yam li lwm qhov credit card qhov project.
www.instructables.com/id/Credit-Card-Sized…
Kauj Ruam 1: Cov Circuit thiab Cheeb Tsam
Nov yog screenshot los ntawm qhov haujlwm ntawm:
www.instructables.com/member/Tarantula3/
Cov Cheeb Tsam yog:
- 555 Sijhawm
- Daim npav rho nyiaj
- cov roj teeb tuav (rov ua dua tshiab)
- 2032 npib roj teeb
- 10 kΩ resistor
- 220 Ω resistor
- 4,7 μF electrolytic capacitor
- buzzer
- coj
- hloov
- tooj liab daim kab xev (kav hlau txais xov)
- epoxidic kua nplaum (ob peb tee)
Cov Cuab Yeej:
- laug
- txiav
Kauj Ruam 2: Thawj Tsab Ntawv
Raws li koj tuaj yeem pom hauv daim duab, zoo nkauj dab tuag.
Tab sis nws tau ua haujlwm, yog li kuv pib ua haujlwm mus rau qhov kawg.
Kauj Ruam 3: Qhov Kawg
Raws li koj tuaj yeem pom hauv daim vis dis aus nws ua haujlwm thiab nrog qhov ua tau zoo, qhov tseeb kuv yuav tsum ua kom lub kav hlau txais xov luv heev vim qhov nkag siab zoo.
Kuv siv 1kΩ resistor hloov 220Ω los txo lub suab ntawm lub buzzer.
Pom zoo:
Yuav Ua Li Cas Thiaj Li Hloov Koj Lub Xov Tooj Ntawm Tes Rau Hauv Credit/Debit Card: 5 Kauj Ruam
Yuav Ua Li Cas Thiaj Li Hloov Koj Lub Xov Tooj Ntawm Tes Rau Hauv Daim Npav Credit/daim debit Card: Yooj yim rau kev hloov pauv rau daim npav rho nyiaj ntxiv/daim npav rho nyiaj nrog RFID nti (piv txwv li Paypass). Siv txoj hauv kev no, koj yuav tuaj yeem nrhiav thiab rho tawm daim npav RFID hauv koj daim npav them nyiaj uas muaj peev xwm hla thiab muab tso rau hauv koj lub xov tooj ntawm tes. Qhov no yuav tso cai rau koj los qhia koj
Credit Card ATtiny Game Console: 4 Kauj Ruam
Credit Card ATtiny Game Console: Nov yog cov lus qhia los tsim Attiny 85 game console ua los ntawm daim npav rho nyiaj tas sij hawm. Kev ua qauv qhia ntawm cov khoom tiav tuaj yeem pom hauv qhov youtube txuas no: gametiny ntawm daim npav rho nyiaj tiag. -----------------------------------------------
Credit Card IPhone Stand: 6 Cov Kauj Ruam (nrog Duab)
Credit Card IPhone Stand: Yog tias koj muaj daim npav ua tswv cuab uas tau tas sijhawm thiab tsuas yog siv qhov chaw koj tuaj yeem hloov nws mus rau hauv koj tus kheej iPhone lossis iPod sawv nrog tsuas yog txiav me me. Kuv siv Dremel kom ua tiav txoj haujlwm ntawm no, tab sis koj tuaj yeem yooj yim ua tib yam nrog ob txhais tes txiab
Credit Card IPhone Stand: 4 Kauj Ruam (nrog Duab)
Credit Card IPhone Stand: Puas yog koj lub iPhone nkees nkees ntawm ib puag ncig ntawm koj lub rooj? Xav kom nws nce thiab txav mus nrog nws lub neej? Tom qab ntawd ua kom sawv ntsug nrawm ntawm daim npav rho nyiaj qub lossis lwm daim npav ua tswv cuab yas. Txhua yam koj xav tau yog ob peb feeb thiab txiab txiab. Kuv
Credit Card IPhone / Ipod Stand: 6 Kauj Ruam
Daim npav rho nyiaj IPhone / Ipod Sawv: Kuv tau nkees nqa ib puag ncig lossis nqa kuv lub iPhone los saib cov yeeb yaj kiab yog li kuv rub daim npav ID qub uas kuv muaj hauv kuv lub hnab nyiaj thiab khawm nws kom sawv ntsug. Ib qho nyuaj yas ID lossis daim npav rho nyiaj qub yuav ua haujlwm thiab lawv tuaj yeem rov ua dua thiab plam