Cov txheej txheem:
- Kauj ruam 1: Cov ntaub ntawv
- Kauj Ruam 2: Tsim thiab Xim Phau Ntawv
- Kauj ruam 3: Schematic
- Kauj Ruam 4: Tsim Darlington Array Touch Switch
- Kauj Ruam 5: Hloov Koj Tus Cwj Pwm rau Kov Sensor
Video: Ua tus LED Touch Pen thiab UV-responsive Writing Surface: 5 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31
Tsim qhov kov-hloov rhiab LED lub teeb cwj mem! Cov lus qhia no siv qhov feem ntau cov neeg nyiam ua haujlwm tej zaum tau dag nyob ib puag ncig lub tsev kom ua tus cwj mem uas tso tawm lub teeb los ntawm LED. Kuv siv ultraviolet LED rau "dab-sau" nrog; koj tuaj yeem pleev xim rau saum npoo dawb nrog cov xim ci-hauv-qhov-tsaus thiab tus cwj mem tawm ib kab kab ci ci ib ntus thaum koj sau nrog nws.
Cov nyhuv ua tiav los ntawm Rustoleum GLOW xim tsis yog qhov zoo tshaj plaws; yog tias koj yuav sim ua cov lus qhia no, nws yuav tsim nyog nws los tshuaj xyuas qhov ci ci tshaj plaws hauv qhov tsaus ntuj txheej uas muaj tam sim no los ntawm ntau qhov chaw muag khoom online. Hloov tshiab: Kuv tau txais ib qho piv txwv nrog ob lub tsho loj ntawm Glow Inc qhov ci tshaj plaws ua tiav, nws zoo nkaus li zoo! Kev sau ntawv tseem nyob li ob peb feeb thiab ci ntsa iab txawm tias nyob hauv qhov pom kev tsaus ntuj… Daim duab hauv qab no qhia kuv sau rau ntawm kuv daim npav lag luam ua piv txwv piv txwv. Cov xim no kim dua li cov tshuaj pleev raws li kuv tau siv ua ntej, thiab yuav siv ob peb lub tsho loj kom tau zoo thiab txawm tias, tab sis twb zoo lawm!
Kauj ruam 1: Cov ntaub ntawv
Koj yuav xav tau cov ntaub ntawv hauv qab no:
3 tus tuav lub roj teeb ntawm tes (Kuv siv 4 xAA lub roj teeb tuav thiab muab txuas rau lub roj teeb thib 3 lub davhlau ya nyob twg kom ua raws) Tus cwj mem koj tsis mloog ua kev puas tsuaj. Nws yuav tsum dav dav thiab ua kom yooj yim rau disassemble, suav nrog tshem tus number case zoo thiab nib. 1 UV LED (Koj tuaj yeem siv xim twg, txawm li cas los xij, rau lub teeb sau nrog lub koob yees duab - kho koj tus tiv thaiv kom haum) 1 LED load resistor - Kuv siv 150 ohm resistor, uas yuav tsum zoo rau ib qho LED. Cov txheej txheem, Kuv tuaj yeem siv tus tiv thaiv qis li 80 ohm rau UV LED Kuv tau siv (siv ohm txoj cai txhawm rau nrhiav kom pom qhov muaj txiaj ntsig zoo tshaj plaws resistor tau) 2 NPN transistors (ib qho kev ntsuas) 1 kov hloov resistor - 100K (qhov no yog kuj tseem zam txim me ntsis) Cov laug 2+ tus xaim hlau (Kuv siv 3 -tus neeg xyuas pib tiv thaiv tab sis nws txoj hauv kev overkill rau qhov no) 1 phau ntawv sau lossis lwm qhov hloov pauv tau xim los ntawm qhov chaw (Kuv kaw daim ntawv dawb inkjet ntawv sab hauv tawv tawv) ci hauv cov xim tsaus - Kuv siv Rustoleum GLOW uas tsim nyog los ua kom pom cov txiaj ntsig, tab sis koj yuav ua tiav cov txiaj ntsig tau zoo dua nrog cov qauv sib txawv Hloov tshiab: Kuv tau xaj kom ci hauv cov xim tsaus hauv online los ntawm Glow Inc. nws yuav siv ob peb lub tsho loj - Kuv xaj 2x 1/2 fl oz ntawm lawv cov xim ci tshaj plaws … qhov ci hauv qhov tsaus ntuj zoo nkauj heev, thiab lub thawv los rau hauv lub raj mis ntsia hlau nrog tus neeg thov. Kuv sim nws nrog tus cwj mem thiab muaj peev xwm tawm qhov ntev ci nrog cov kua hauv lub raj mis. Kuv yuav hloov kho nrog cov duab thaum kuv ua tiav kev sim. Ntxiv rau qhov koj yuav xav tau cov cuab yeej hauv qab no: Soldering Iron Hot Glue Gun Wire Strippers Small Paint Roller w/ Tray
Kauj Ruam 2: Tsim thiab Xim Phau Ntawv
Kuv txiav kom me me ob daim ntawv ntawm daim ntawv inkjet thiab kaw lawv rau sab hauv ntawm kuv phau ntawv.
Hauv cov duab koj tuaj yeem pom ua ntej, (tam sim ntawd) ua ntej, thiab tom qab txhaj tshuaj ntawm thawj lub tsho loj. Nws coj 5 lub tsho loj ntawm GLOW kom tau txais txiaj ntsig zoo li pom ntawm thawj nplooj ntawv. Saib kuv cov ntawv hauv kev qhia txog kev ua kom zoo dua ci hauv cov xim tsaus. Kuv tau tos tsawg kawg 30 feeb thiab ntev tshaj 24 teev ntawm lub tsho loj - thaum kuv pleev xim nws tsuas yog 30 feeb tom qab lub tsho loj, cov menyuam nyiam thawb cov xim ntub ib puag ncig me ntsis, yog li kuv txiav txim siab muab nws ntev me ntsis. Koj tuaj yeem pom daim ntawv nyhav zuj zus thiab ntsws thaum ntub nrog cov xim - pom tias daim ntawv loj loj thiab lwm yam kev kho ntawv yuav tuav tau zoo dua yam tsis nqus cov xim, thiab yuav ua kom qhov ci zoo dua, yog tias koj siv nws.
Kauj ruam 3: Schematic
Nov yog kuv daim duab kos tsis zoo ntawm tes.
Nws yooj yim zoo nkauj: Lub zog ntws los ntawm tus tiv thaiv thiab LED mus rau cov neeg sau khoom ntawm ob lub transistors. Lawv tau xaim nyob hauv darlington array. Koj tuaj yeem tau txais cov ntawd raws li SMD ICs Qhov "tso tawm" transistor, uas nws cov emitter poob rau hauv av, nws tau raws li khi ncaj qha rau tus emitter ntawm "sensing" transistor. Vim tias qhov no yog txoj hauv kev uas tsis muaj kev cuam tshuam, ib qho me me tam sim no yuav tsum tau thawb cov zis transistor lub hauv paus kom puv. Qhov kev nkag siab ntawm Circuit Court suav nrog 100K tiv thaiv / hu xov tooj tiv thaiv. Me dhau ntawm tus nqi thiab nws yuav oscillate los ntawm lub peev xwm hauv ntu ntu, siab dhau thiab nws yuav tsis thawb cov transistor tso rau hauv qhov saturation. Lwm ceg ntawm qhov kev sib tham hauv xov tooj cua tau yooj yim khi rau txoj kev tsheb nqaj hlau zoo.
Kauj Ruam 4: Tsim Darlington Array Touch Switch
Kuv tau hloov kho cov transistors kom haum rau hauv lub cev cwj mem. Kuv muaj cov ntawv kaw ntawm cov txheej txheem ntawd tab sis ntawm no yog qhov kev xav yooj yim:
nqa ob lub transistors hauv qab kom lawv cov neeg sau khoom, cov hauv paus, thiab cov emitters ua kab. Xaub ib qho qis kom koj tuaj yeem ua kab rau kab rov tav thiab khoov nws tus neeg khaws khoom kom sib cuag. Koj yuav tsum tau khoov nws nrog rab rab-lub qhov ntswg rau hauv cov txheej txheem zoo. Nov yog qhov koj yuav txuas ib kawg ntawm LED yog li tawm qee qhov chaw thaum koj kaw nws. Coj tus emitter ntawm "hauv qab" transistor (Kuv xaus tso kuv cov transistors nrog lawv coj mus rau sab nraum qab ntawm tus cwj mem) thiab khoov nws kom zoo zoo rau lub hauv paus (tus pin nruab nrab) ntawm lub transistor thib ob. Muab cov no tso ua ke thiab txiav qhov tshaj - qhov kev sib txuas ntawd tau ua tiav. Tam sim no, xov los ntawm tus cwj mem cap peb qhov ntev ntawm xaim. Ib qho (qhov zoo) yuav tsum tau ntev txaus kom ncav cuag LED, uas yuav xaus rau ntawm qhov taw qhia hauv qab qhov hloov pauv, ob qho ntxiv yuav txuas nrog lub teeb teeb. Kuv tus cwj mem cap tau yooj yim lanyard loops Kuv nthuav me ntsis rau cov txheej txheem no - koj yuav xav tau ua qee qhov drilling lossis qee yam xws li. Nco ntsoov tias yog tias koj tus cwj mem muaj qhov nkhaus sab hauv zoo ib yam li kuv, koj yuav xav tau cov xov hlau ntev rau lub LED kom haum nyob deb hauv qab qhov hloov. Nqa cov LED thiab muab cov tshuaj tiv thaiv rau qhov zoo (tsis flatted) ua. ntsuas nws kom ncab me ntsis ntev dua li qhov ntev ntawm tus cwj mem mus rau lub hau, nws yuav ntswj qee qhov thaum koj teeb tsa yog tias koj muaj lub hau ntswj zoo li kuv tau ua. Txiav nws kom haum raws li qhov yooj yim li koj tuaj yeem ua tau. Thaum tshav kub kub qhov kev sib txuas txhua txoj hauv kev mus rau LED, tom qab ntawd xaub lwm daim cua sov kom qis dua thiab tso nws. Solder qhov ua tau zoo rau qhov no, tom qab ntawd xaub cov cua sov uas tsis poob qis dua thiab ntsws nws. Nco tseg: thaum xub thawj tus tiv thaiv ntawm kuv LED tsis raug (Kuv tau siv nws ua ntej rau 12V) - tom qab ntawd kuv cov xim coding ntawm LED tsis yog lawm, Kuv yuav tsum coj nws tawm thiab tig nws ib puag ncig thaum kawg, yog li tsuas yog txheeb xyuas koj tus kheej LED thaum koj mus thiab tsis them nyiaj ntau rau qhov tshwj xeeb ntawm cov duab. Nws tsis muaj teeb meem dab tsi sab twg koj tso lub resistor rau - tsuas yog ua kom ntseeg tau qhov zoo los ntawm lub roj teeb mus rau hauv nkhaus ib sab ntawm LED thiab sab flatted raws li hauv qab no: Khoov cov neeg nqa khoom seem (txuas rau ob lub transisotrs) nqes thiab mus rau lwm qhov LED. Ua me ntsis xaim origami sim ua kom tau txhua daim los ua kab raws tus cwj mem nruab nrab; cov pob qij txha yuav hloov me ntsis thaum koj teeb tsa, tab sis sim ua kom nws zoo li koj tuaj yeem ua tau. Thaum tshav kub kub ua kom lub hauv paus ntawm LED cov hlau lead, tawm tsuas yog me ntsis rau cov laug rau, tom qab ntawd xaub lwm daim cua sov ntsaws rau saum, zoo li ua ntej. Trim, ces solder, ces heatshrink. Yuav luag nyob ntawd - ntsuas tag nrho qhov ntev tiv thaiv tus cwj mem rau hauv av xaim los ntawm lub hau, uas yuav txuas nrog cov emitter uas seem. Xaub qee qhov heatshrink nyob deb ntawm cov xaim, muab nws txuas rau tus emitter, tom qab ntawd txiav cov emitter thiab heatshrink qhov txuas. Rau cov xov hlau zaum kawg, muab tshuaj txhuam 100K rau lub hauv paus uas tsis txuas nrog. Qhov no yuav tsim qhov ntsuas ib feem ntawm qhov kev sib txuas ntawm sab nraum tus cwj mem. Kuv siv xaim xaim xaim rau qhov no thiab daj rau xaim zoo. Thaum koj ua tiav nruab nws hauv tus cwj mem.
Kauj Ruam 5: Hloov Koj Tus Cwj Pwm rau Kov Sensor
Nqa daim ntawv ntawv, ncaj nws tawm, thiab tsim txoj kab ntev kom mus raws sab nraud ntawm koj tus cwj mem. Muab qhov xaus rau qhov xaim zoo thiab lub xaim ntes. Koj yuav tsum tau mus tom ntej thiab muab cov xaim av hauv av thiab cov xov hlau zoo rau txuas rau lub zog hluav taws xob tib lub sijhawm.
Kuv tsuas yog muab txuas rau lwm qhov kawg ntawm kab ntawv, ib kawg rau sab nraud ntawm lub roj teeb tuav, lwm qhov rau tib-cim cov hlau lead hauv lub thawv roj teeb kawg (yog tias nws tau cim +, nws txuas nrog lub roj teeb tom ntej- thiab lwm yam-) versa) thaum koj ua tiav, tshem tawm tag nrho, txuas lub roj teeb, thiab ntsuas qhov sib txuas ua ntej koj pib ua cov khoom nplaum! Thaum koj txaus siab tias nws ua haujlwm, teeb tsa nws rov qab rau hauv lub cev cwj mem thiab kub kua nplaum txuas rau hauv qhov chaw. Kuj tseem siv qhov siab dav ntawm cov kua nplaum kub nyob txhua qhov chaw uas cov xov hlau tuaj yeem ua rau sab nraud ntawm lub cev cwj mem kom txo kev nruj ntawm qhov muag sib txuas. Nco tseg: yog tias koj muaj tus cwj mem loj txaus, koj tuaj yeem siv 3 khawm lub hlwb tiag hauv lub cev cwj mem thiab tshem tawm lub thawv sab nraud nkaus. Yog tias koj ua qhov no, cov xov hlau hauv av tsis txawm yuav tsum tau muab xov rau sab nraud, thiab koj tuaj yeem txheeb xyuas qhov teeb tsa koj lub roj teeb me me nyob saum cov transistors.
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