Cov txheej txheem:
- Kauj ruam 1: Schematic
- Kauj Ruam 2: Ua lub cev pob txha
- Kauj Ruam 3: Lub Hwj Huam Sab Nraud
- Kauj Ruam 4: Txuas Lub Hwj Huam Jack
- Kauj Ruam 5: Tswv Yim: Tau Khoov Zoo
- Kauj Ruam 6: Ua Skeleton 2
- Kauj Ruam 7: Ua Lub Pob Txha 3
- Kauj Ruam 8: Ua Lub Pob Txha 4
- Kauj Ruam 9: Ua Lub Pob Txha 4
- Kauj Ruam 10: Ua Daim Duab Skeleton Siv
- Kauj ruam 11: Xeem
- Kauj Ruam 12: Ua Ntej Casting Sealing
- Kauj Ruam 13: Ua Ntej Casting Sealing 2
- Kauj Ruam 14: Txhim Kho Lub Circuit Court
- Kauj Ruam 15: Sau daim Audio Sockets
- Kauj Ruam 16: Ua Pwm
- Kauj Ruam 17: Hom Sib Txawv ntawm "ntim" (hloov tshiab)
- Kauj Ruam 18: Sib tov Resin
- Kauj Ruam 19: Curing Cov Tshuaj Tiv Thaiv Tshuaj
- Kauj Ruam 20: Rhuav Pwm
- Kauj Ruam 21: Qhib Qhov Ntug Tawm
- Kauj ruam 22: Kawg Polish
- Kauj Ruam 23: Kev ceev faj
- Kauj Ruam 24: Kuaj Qhov Voltage Rails
- Kauj Ruam 25: Khiav Kub
- Kauj ruam 26: Gallery
Video: Crystal CMoy Free Form Headphone Amplifier: 26 Cov Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Lub mloog pob ntseg lub xov tooj cua txuas hluav taws xob sib txawv rau cov txheej txheem tsim niaj hnub no uas nws yog cua Wired, P2P (Point to Point) lossis daim ntawv pub dawb txuas ib yam li hauv Valve zoo hnub qub ua ntej kev cuam tshuam ntawm PCB's thiab transistor.
Ntau dua li ib puag ncig ib puag ncig, lub qhov hluav taws xob tau kaw rau hauv polyester cob los txhim kho sab hauv.
Yog tias koj nyeem qhov no thiab xav txog vim li cas koj thiaj xav tau lub tshuab hluav taws xob rau lub mloog pob ntseg ces nyem ntawm no
Txawm hais tias ntau cMoy lub mloog pob ntseg tau tsim los kom nqa tau qhov no yog tsim los rau lub desktop txawm hais tias lub roj teeb pob tuaj yeem ua tau.
Qhov no yog qhov qhia tau ntev heev yog li "ua brew" raws li peb hais hauv Yorkshire thiab ua kom xis nyob.
Sab nraub qaum muaj duab ntau:)
Kauj ruam 1: Schematic
Nov yog EaglePCB lub tswv yim ntawm lub mloog pob ntseg lub mloog pob ntseg nws ua raws cMoy tsim Cov npe khoom muaj raws li hauv qab no Cov khoom siv hluav taws xob 1x DC Power Jack 1x 5mm LED R1LED: 1x 1k rau 10k 0.6 watt hlau zaj duab xis resistor (Rau Lub Hwjchim LED, Txhua qhov chaw ntawm 1k txog 10k) yuav zoo nws txhua yam nyob ntawm qhov nkag hluav taws xob thiab qhov ci koj nyiam koj li LED li cas.) CP1/2: 2x 470uf 35 lossis 50v Lub Hwj Chim Capacitors RP1/2: 2x 4.7k 0.6 watt hlau zaj duab xis resistors (Rau lub zog muab faib Voltage faib) Amplifier section IC1: 1x OPA2107 Dual Ua Haujlwm Amplifier C1L/R: 2x Wima MKS 0.68uf 63v Capacitors (rau lub suab tso tawm suab) C2/3: 2x 0.1uf Polyester Box capacitors (Kom ruaj khov OP-AMP) R1LED: 1x 1k 0.6 watt hlau zaj duab xis resistor (1/2 Watt) R2L/R: 2x 100k 0.6 watt hlau zaj duab xis resistors (1/2 Watt) R3L/R: 2x 1k 0.6 watt hlau zaj duab xis resistors (1/2 Watt) R4L/R: 2x 10k 0.6 watt hlau zaj duab xis resistors (1/2 Watt) R5L/R: JUMPERED (xaiv tau,) 2x 3.5mm Stereo Jack Sockets Downloads: EaglePCB. SCH Schematic thiab PDF hauv qab no
Kauj Ruam 2: Ua lub cev pob txha
Qhov no yog qhov txaus luag heev! Nws yuav ntsuas koj qhov kev txawj khoov thiab ua kom zoo Txhua yam yuav tsum pom qhov muag pom vim tias txhua yam yuav tshwm rau txhua lub sijhawm thaum nws muab pov rau hauv cov yas. Txhawm rau tsim lub tsheb npav fais fab Kuv siv cov tub ntxhais 1.10mm xaim tau los ntawm cov kab hluav taws xob ntxaib thiab lub ntiaj teb cable siv rau sab hauv tsev txuas. Tsuas yog cov cuab yeej yooj yim xav tau los tsim lub cev pob txha: Soldering Iron Solder (nyiam dua qhov ntsuas siab) Flux Pen (xaiv tau) Lub qhov ntswg ntev rau khoov Snips
Kauj Ruam 3: Lub Hwj Huam Sab Nraud
Rau lub zog hluav taws xob sab nraud tseem ceeb koj yuav xav tau hom kev hloov pauv, Kuv siv ib qho los ntawm tus qub router txhua yam hauv qhov hluav taws xob ntau ntawm 9-18VDC thiab qhov ntsuas tam sim no 300ma nce mus yuav ua. Koj kuj tseem yuav xav tau lub zog siv nrog tus lej zoo hauv nruab nrab qhov no tau hais los ntawm lub cim nrog rau hauv lub voj voog liab ntawm daim duab. Yog tias koj pom muaj ib qho suab nrov hauv koj lub mloog pob ntseg thaum koj kuaj lub Circuit Court ua ntej cov kua nplaum nchuav xyuas txhua lub Circuit Court ces sim siv tus qauv sib txawv ntawm lub zog fais fab. Yog tias lub zog hluav taws xob uas koj xaiv yog pheej yig-phab ntsa-wart uas muaj lub hloov pauv (tawm hluav taws xob tawm) nws yuav tsis poob siab txawm tias lub mloog pob ntseg
Kauj Ruam 4: Txuas Lub Hwj Huam Jack
Tus pin rov qab mus rau +V (+Rail) Qhov nruab nrab thiab sab rau hauv av (-Rail)
Kauj Ruam 5: Tswv Yim: Tau Khoov Zoo
Kuv pom txhawm rau kom tau txais qhov zoo rov ua tau zoo dua khoov rau ntawm tus tiv thaiv ua thiab tooj liab hlau Kuv yuav tsum tau siv lub hau ntswj taub hau. Koj tuaj yeem siv lub taub hau ntswj sib txawv rau qhov me me lossis loj dua txoj kab nkhaus.
Kauj Ruam 6: Ua Skeleton 2
Ntawm no peb tuaj yeem pom cov txheej txheem yooj yim ntawm ntu khoom siv hluav taws xob Nws yog lub zog siv hluav taws xob ob zaug uas siv cov lus tso tawm ib leeg (12VDC) thiab faib nws nrog qhov faib hluav taws xob. Lub hoops ntawm sab xis yog rau op-amp Circuit no xav tau +/GND/- tsis yog +/GND. Qhov no txhais tau li cas yog lub zog tawm tswv yim rau Burr Brown OPA2107 Kev siv lub zog ua haujlwm lossis Op -Amp xav tau -Volts thiab +Volts T zoo li tus hlau uas ua rau nruab nrab yog hauv av lossis hauv qhov no "av hauv av" tsim los ntawm qhov hluav taws xob divider nws yeej tsis los rau hauv kev sib cuag ncaj qha nrog lub zog tseem ceeb hauv av nkag los ntawm lub hwj chim nkaus. Ob lub 4.7k resistors nyob ze nraub qaum yog qhov faib hluav taws xob, cov khoom siv rau lub zog fais fab hauv qhov no yog 12VDC yog tom qab ntawd ib nrab los ntawm qhov faib hluav taws xob ua -6v thiab +6v ntawm ob sab ntawm cov tooj liab sab nraud lossis koj tuaj yeem hu xov tooj. +V rau LED tau pub ncaj tawm sab nraum qab ntawm lub zog txuas thiab siv -6v tooj liab hlau rau hauv av los ntawm 1k Resistor, raws li txhua qhov no los ua ntej qhov faib hluav taws xob kom deb li deb tau hais txog LED -6v yog qhov ib txwm muaj av. Tam sim no kom pib ntxiv lwm cov resistors raws li cov txheej txheem.
Kauj Ruam 7: Ua Lub Pob Txha 3
Ob qhov nyiaj loj 470uf 50v capacitors yog rau lub zog hluav taws xob ua raws los ntawm ob lub xim liab ob-pass capacitors rau Op-Amp kev ruaj ntseg tsuas yog thaum muaj qhov oscillation uas hais lus nruj me ntsis yuav tsum tau txuas ze rau ntawm Op-Amp ob txhais ceg li sai tau. Tau hais tias kuv tsis tau muaj teeb meem kev ruaj ntseg nrog IC no hauv lwm Cmoys kuv tau ua. Ua tib zoo tshuaj xyuas lub polarity ntawm lub capacitors ua ntej yuav siv tau
Kauj Ruam 8: Ua Lub Pob Txha 4
Ntawm no koj tuaj yeem pom Turquoise Resistor ob txhais ceg (R4) tawm ntawm sab saum toj ntawm Op-Amp IC qhov no yog qhov uas lawv tig ncig los ntawm qhov tso tawm mus rau qhov twg R5 yuav tsum nyob ntawm Schematic. R5 yog nyob ntawm yeem thiab kuv tsis tau nruab nws tab sis nws tseem yuav tsum tau txuas nrog cov zis nrog lossis tawm tus tiv thaiv qhov no tseem txiav tawm ntawm cov xov hlau ntxiv. Qhov turquoise resistor (R4) teeb tsa qhov nce nrog R3. koj tuaj yeem pom cov loops zoo dua hauv daim duab thib ob Hauv daim duab 3 hauv qab 4 Leads tam sim no tuaj yeem txuas nrog hauv av hauv av (nruab nrab tooj liab hlau)
Kauj Ruam 9: Ua Lub Pob Txha 4
Lub sijhawm los ntxiv Lub Nkoj Lub Khaub Ncaws no tso tseg ib qho DC qhov hluav taws xob (Tam sim no ncaj qha) nkag mus rau lub tshuab hluav taws xob los ntawm qhov chaw (iPod ETC) los ntawm lub qhov (socket) lub qhov (socket) raws li qhov no tseem yuav ua kom nrov nrov los ntawm qhov tau txais. Lub suab tso tawm ua haujlwm ntawm AC (Hloov Hloov Tam Sim No). Qhov nce tau qis dua raws li lub hauv paus nkag hauv qhov no lub PC tau tso tawm siab thiab yuav tsis muaj lub zog potentiometer los kho lub cev. Hauv daim duab thib ob txhais ceg los ntawm turquoise resistors tau khoov los tsim qhov sib txuas uas yuav txuas rau lub mloog pob ntseg lub qhov (socket). Daim duab thib 3 & thib 4 qhia pom sib txuas lub suab tawm tswv yim thiab lub mloog pob ntseg. Kuv siv cov xaim hluav taws xob los ntawm lub tshuab hloov pauv qub los muab qhov zoo ib yam tab sis nws kuj muaj qhov zoo ntawm kev tiv thaiv tiv thaiv luv.
Kauj Ruam 10: Ua Daim Duab Skeleton Siv
Nov yog ob peb daim duab ntxiv rau siv.
Kauj ruam 11: Xeem
Nyob rau theem no TSIS TXHOB ntsuas lub suab nrov nrog koj lub mloog pob ntseg zoo tshaj siv qee lub pob ntseg qub pheej yig Cia siab tias nws sim tau zoo thiab ua tau zoo!
Kauj Ruam 12: Ua Ntej Casting Sealing
Cov qhov tshwj xeeb jacks yog los ntawm lub suab qub blaster nyob daim npav suab vim qhov tseeb kuv tuaj yeem kaw lawv yooj yim kom tsis txhob nkag mus rau ntawm cov yas. Ob lub suab Jack Qhov (socket) ob sab tau raug tshem tawm thaum lub sijhawm kaw, ob sab tau hloov tom qab siv cov tshuaj txhuam ib puag ncig. Resin kuj tau muab tso rau ib puag ncig txhua qhov txuas sib txuas nyob ib puag ncig hauv qab kom ntseeg tau tias muaj lub qhov cua kaw. Ntau cov tshuaj tau siv ib puag ncig hauv qab ntawm DC jack. Kuv vam tias cov tshuaj ntxiv yuav tsis pom ntau hauv qhov ua tiav.
Kauj Ruam 13: Ua Ntej Casting Sealing 2
Siv Blue Tack thiab tshem daim kab xev peb lub qhov nyob ntsaws, ntiv tes hla;)
Kauj Ruam 14: Txhim Kho Lub Circuit Court
Txhawm rau ua kom cov kab hluav taws xob nyob hauv qhov casting Kuv tau siv ob peb lub xaim hluav taws xob ntawm lub hauv av virtual khiav hauv nruab nrab ntawm lub tshuab raj.
Kauj Ruam 15: Sau daim Audio Sockets
Kuv xav tias nws yuav yog qhov zoo los ua ob peb Daim Ntawv Cim, ib feem txhawm rau txhim kho qhov pom ntawm qhov nyob. Tom qab ntsuas lub qhov (socket) lawv tau ua rau thiab luam tawm los ntsuas hauv Adobe PhotoShop tom qab ntawd luam tawm ntawm daim ntawv me me tom qab ntawv siv ob daim kab xev kaw rau ntawm lub qhov ntsawb.
Kauj Ruam 16: Ua Pwm
Kuv xav txog qee lub sijhawm hais txog kev tsim thiab khoom siv rau pwm thaum kawg kuv txiav txim siab siv daim npav tuab 1.5 hli. Thaum txiav nrog rab riam riam nws sab laug huv heev thiab tiaj tus ntug uas pab tau qhov tseeb faib. Kuv paub tias muaj ntau txoj hauv kev los tsim cov pwm zoo li siv silicone tab sis lub hom phiaj yog kom tau txais ob sab raws li lub xwmfab thiab muaj tseeb raws li qhov ua tau raws li qhov no yog ib daim npav ntawm daim npav zoo li zoo tagnrho. Tom ntej no kuv tsim cov qauv pwm hauv EaglePCB tom qab ntawd siv ob daim kab xev kaw cov ntawv luam tawm rau ntawm daim npav kom raug txiav. Thaum nws los txog rau lub rooj sib txoos ntawm cov pwm txhua lub ces kaum tau tsoo rau hauv qhov chaw nrog cov kua nplaum super kom txog thaum txhua qhov ntawm cov pwm tau ua ke raws li ib qho ntawm qhov uas kuv tau khiav ntau super kua nplaum nyob ib ncig ntawm qhov ntev ntawm txhua sab. Tom qab qhov no tau qhuav tag thib ob ntawm cov kua nplaum tau thov kom ntseeg tau tias cov pob qij txha raug kaw tag. Rub tawm: Txheej DXF thiab PDF hauv qab no
Kauj Ruam 17: Hom Sib Txawv ntawm "ntim" (hloov tshiab)
Ib txoj hauv kev yooj yim los ua haujlwm ntim hauv "ml" yog txhawm rau ntim cov dej hauv cov dej ces nchuav cov ntim rau hauv lub khob txhawm rau ntsuas lub ntim thiab qhov hnyav. Kuv tuaj yeem ntsuas cov pwm nrog tus pas ntsuas tab sis qhov no tau nrawm dua thiab muab qhov qhia rau kuv kwv yees kwv yees qhov hnyav ntawm cov tshuaj uas xav tau los ntim cov pwm, koj kuj yuav tsum xav txog qhov txav ntawm cov khoom raug kaw. Kuv kwv yees dej yuav luag zoo ib yam li qhov hnyav thiab hnyav rau cov tshuaj. Tam sim no koj paub qhov ntim koj yuav tsum tau ua raws cov lus qhia rau cov tshuaj uas koj tau yuav los txhawm rau nrhiav qhov sib piv ntawm cov tshuaj rau cov tawv tawv. Kuv siv Polycraft DSM Synolite Dej Clear Casting Resin + MEKP Catalyst (1 txog 2%), Kuv ntseeg tias nws yog polyester cob qhia qhov sib piv ntawm Catalyst rau Resin nyob ib puag ncig 1%. Nws nyuaj heev los ntsuas tawm cov khoom siv hauv qhov me me. Muaj ntau ntau yam, uas txhua tus xav tau qhov sib txawv sib txawv ntawm cov yas rau tawv tawv. Yog li sib tov nws thiab lwm yam yog qhov tiag tiag rau hom koj siv.
Kauj Ruam 18: Sib tov Resin
Nrog cov tshuaj sib xyaw ua ke kuv yuav tsum xyuas kom kuv nchuav nws maj mam thiab ze rau cov pwm kom tsis txhob txhawb nqa huab cua. Koj tuaj yeem pom hauv daim duab hauv qab no uas muaj lub dome ntawm cov pob zeb nce saum toj no cov pwm, qhov no yog txhawm rau txo qis raws li cov tshuaj kho. Thaum cov kua nplaum sib xyaw koj yuav tsis muaj sijhawm ntev los ua haujlwm nrog nws ua ntej pib kho kom zoo yog li muaj txhua yam koj xav tau rau tes.
Kauj Ruam 19: Curing Cov Tshuaj Tiv Thaiv Tshuaj
Tom qab ntawd cov pwm tau npog kom tsis txhob muaj cov khib nyiab lossis hmoov av nkag mus rau hauv qhov cam. Cov tshuaj tiv thaiv kab mob yuav pib thiab cov cam khwb cia yuav ua rau muaj cua sov tag nrho qhov no yog txheej txheem ua haujlwm ntawm kev ua haujlwm Kuv tsis siv tus pas ntsuas kub tiv tauj ntsuas qhov ntsuas kub raws li nws kho tau 8 feeb nyob rau hauv thiab cov khoom tau kub ntawm qhov no saum npoo pib ua kua, nws qhia tau hais tias yog qhov nqaim ntawm qhov chaw. Kuv tso tus pov tseg rau 24 teev kom ua kom tawv tawv ua ntej pib qib tom ntej.
Kauj Ruam 20: Rhuav Pwm
Tom qab tawm ntawm qhov cam rau 24 teev thawj qhov uas yuav tsum tau ua yog siv cov xuab zeb saum toj kom nws tiaj tus rau cov pwm. Tom qab ntawd kuv muaj lub ntsiab lus siv rau squaring tag nrho lwm sab. Kuv siv Belt sander tau zoo ib yam clamped zoo nyob rau hauv tus lwm (thov ceev faj thaum ua qhov no!) Tom qab qee qhov ntub ntub nrog P600 ces P1200 Grit ntawv kuv tau tshuav nrog cov qauv yooj yim.
Kauj Ruam 21: Qhib Qhov Ntug Tawm
Siv Tus Lwm Thawj dua Kuv kaw kuv lub router nrog lub platform hloov pauv rau saum. Kuv Knocked tawm ntawm cov ntse uas yuav ua rau chipping. Cov kabmob ntawm lub router me ntsis ua raws lub tiaj tiaj txiav ib qho txawm tias ib puag ncig tag nrho cov npoo.
Kauj ruam 22: Kawg Polish
Txhawm rau txhuam cov nplaim dua kuv siv P600 tom qab ntawd P1200 zom cov ntawv ntub thiab qhuav hauv cov dej. Kuv pom tias T-CUT lossis Brasso ua qhov txhuam zoo heev nws ua kom ci ntsa iab los ntawm qhov ua tsis tiav. Cov kev ceev faj thaum kaw cov qhov (socket) ua haujlwm tau zoo dua thiab tsis muaj cov tshuaj nkag mus rau hauv lub qhov (socket) kab noj hniav, muaj ob peb lub cua me me tab sis tsis muaj dab tsi uas tuaj yeem pom tiag tiag. Tib txoj hauv kev kom tshem tawm cov npuas cua yuav tsum tau siv lub tshuab nqus tsev lossis lub dome txij li. Txawm xav txog qhov no kuv xav tias nws yuav zoo tau yuam cov tshuaj cob rau hauv cov kab noj cua. Ib qho lus qhia yog tias koj muaj lub tshuab nqus tsev lossis lub dome yuav tsuas yog nqus cov tshuaj tom qab sib tov ua ntej hliv raws li cov txheej txheem sib xyaw qhia qee qhov cua me me.
Kauj Ruam 23: Kev ceev faj
Tej zaum qee qhov kev txhawj xeeb ntsig txog cov khoom siv hluav taws xob thaum muaj kev hloov pauv polarity. Yog tias koj siv cov khoom siv hluav taws xob tsim khoom xws li phab ntsa wart lossis lub zog cib thiab lub jack muaj qhov chaw zoo qhov no tsis yog qhov teeb meem tiag tiag. Thaum muaj kev puas tsuaj loj tsis ua haujlwm capacitors tau tsim nrog qhov ua tsis tau zoo kom tso siab. Qhov kawg ntawm lub capacitor lub hau tau qhab nia yog li ua rau nws tsis muaj zog. Qhov no ua rau nres lub tshuab hluav taws xob lub zog ntau dhau. Raws li kev tiv thaiv kev nyab xeeb kev nyab xeeb qhov ntsuas qhov yuav tuaj yeem ua kom ze rau ntawm lub capacitor xaus (tsis yog!) Raws li qhov ua tau.
Kauj Ruam 24: Kuaj Qhov Voltage Rails
Muaj ntau txoj hauv kev los txhawb kev sib tw ntawm lwm qhov uas tsis yog siv cov hlau nyias thaum lub sijhawm tab sis kuv tau xav txog qhov no rau qee lub sijhawm. Muaj qhov ntxeev siab rau txoj hauv kev no thaum muaj qhov txhaum kuv tuaj yeem tshawb xyuas qhov +/- kev tsheb nqaj hlau tawg qhov hluav taws xob kuj nws yog rau qhov ua ntej nrum kev sib dhos vim li cas. Txawm hais tias lub Circuit Court yuav tsis tuaj yeem muab kev pabcuam ib zaug pov tseg nws yuav ua rau kuv mob siab rau yam uas tuaj yeem ua tsis raug los ntawm kev tshuaj xyuas lub hauv av virtual (xaim sawv) tiv thaiv qhov tsis zoo thiab lub zog txuas txuas txuas. Ntawm no koj tuaj yeem pom 12vdc faib -6/+6 qhov hluav taws xob
Kauj Ruam 25: Khiav Kub
HOT LOS TSIS YOG! Hais txog kev txhawj xeeb txog kev tso cua sov …… Nov yog cov txiaj ntsig ntawm 12vdc (-6/+6) ua suab paj nruag ntawm qib siab ib txwm rau 60 feeb Qhov ntsuas ntawm sab xis yog ntsuas kub ib puag ncig ntawm 16c Lub Infra liab thermo-meter tau ntsuas siab dua IC nti ntawm 18c Txawm tias thaum khiav ntawm 18vdc qhov kub tsuas yog sib txawv los ntawm 1c Kuv twb paub tias yuav tsis tsim hluav taws xob tseem ceeb ua ntej kuv pib. Yog tias qhov no yog kev txhawj xeeb kuv yuav tau teeb tsa lub dab dej me me nyob rau sab saum toj ntawm IC qhia nws tus kheej nyob rau sab saum toj ntawm nrum Txawm hais tias tsis muaj cov hlau tiv thaiv zoo li koj xav tau hauv cov chassis/PCB ib txwm siv lub tshuab tso tawm tsis muaj suab nrov lossis cuam tshuam RF raws li koj tuaj yeem koom nrog qhib lub chassis tsim xws li qhov no nws tuag ntsiag to txawm tias nws yog ib sab ntawm kuv lub xov tooj ntawm tes thiab WiFi router. Cov kws siv tshuab hluav taws xob tau kaw los yog siv cov khoom siv hluav taws xob hauv cov yas rau ntau caum xyoo feem ntau rau kev co dampening lossis tswj dej noo nws tsuas yog kuv txiav txim siab ua kom nws zoo li nthuav tawm:)
Kauj ruam 26: Gallery
Kuv vam tias koj nyiam phau ntawv qhia thiab tej zaum nws yuav txhawb koj qee yam kom sim qee yam tawm ntawm phab ntsa Ua tsaug rau saib cov lus qhia:) RupertTallman Labs
Khiav Tawm Hauv Qhov Ua Nws Tiag Tiag
Pom zoo:
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