Nws ua haujlwm li cas 2024, Kaum ib hlis

Teeb Tsob Ntoo Bonsai Tsob Ntoo: 3 Kauj Ruam

Teeb Tsob Ntoo Bonsai Tsob Ntoo: 3 Kauj Ruam

Teeb Tsob Ntoo Bonsai Tsob Ntoo: Lwm tsob ntoo xaim! Zoo, Kuv yuav tsis nkim koj lub sijhawm yuav ua li cas kom tsob ntoo, raws li muaj ntau qhov qhia tau zoo heev nyob rau ntawd. Kuv tau txais kev tshoov siab los ntawm Txiaj Ntsig Zoo Tshaj rau kev tsim tsob ntoo, thiab suziechuzie rau kuv lub tswv yim txuas xov. Hauv qhov no

DINO GAME USS LDR: 5 Kauj Ruam

DINO GAME USS LDR: 5 Kauj Ruam

DINO GAME USS LDR: Dinosaur Game, tseem hu ua T-Rex Game thiab Dino Runner, yog qhov kev ua si hauv browser hauv Google Chrome web browser. Qhov kev ua si tau tsim los ntawm Sebastien Gabriel hauv xyoo 2014, thiab tuaj yeem nkag mus tau los ntawm kev ntaus lub spacebar thaum offline ntawm Google Chrome

Super Capacitor Powered Raspberry Pi Laptop: 5 Kauj Ruam

Super Capacitor Powered Raspberry Pi Laptop: 5 Kauj Ruam

Super Capacitor Powered Raspberry Pi Laptop: Nyob ntawm qhov kev txaus siab rau txoj haujlwm no, Kuv tuaj yeem ntxiv cov kauj ruam ntxiv, thiab lwm yam yog tias qhov ntawd pab ua kom yooj yim ib yam khoom tsis meej pem. lom zem rau

E-dohicky Cov Ntawv Hluav Taws Xob ntawm Russ's Laser Power Meter Dohicky: 28 Cov Kauj Ruam (nrog Duab)

E-dohicky Cov Ntawv Hluav Taws Xob ntawm Russ's Laser Power Meter Dohicky: 28 Cov Kauj Ruam (nrog Duab)

E-dohicky Cov Khoom Siv Hluav Taws Xob ntawm Russ's Laser Power Meter Dohicky: Cov cuab yeej siv hluav taws xob laser.e-dohicky yog cov khoom siv hluav taws xob ntawm dohicky los ntawm Russ SADLER. Russ ua yeeb yaj kiab zoo heev SarbarMultimedia youtube channel https://www.youtube.com/watch?v=A-3HdVLc7nI&t=281sRuss SADLER nthuav qhia cov khoom siv yooj yim thiab pheej yig

KaKu Choj (Klik-aan Klik-uit): 4 Kauj Ruam

KaKu Choj (Klik-aan Klik-uit): 4 Kauj Ruam

KaKu Choj (Klik-aan Klik-uit): Qhov KakuBridge no yog qhov pheej yig heev (& $ 8) thiab yooj yim heev los tsim domotica system rau Klik-aan Klik-uit li, (CoCo). Koj tuaj yeem tswj tau txog 9 lub cuab yeej ntawm kev tswj chaw taws teeb ntawm lub vev xaib. Ntxiv mus nrog KakuBridge koj tuaj yeem teem sijhawm txhua lub cuab yeej

Portable Bluetooth 2.1 Boombox: 16 Cov Kauj Ruam (nrog Duab)

Portable Bluetooth 2.1 Boombox: 16 Cov Kauj Ruam (nrog Duab)

Portable Bluetooth 2.1 Boombox: Nyob zoo txhua tus! Hauv qhov kev tsim no kuv txiav txim siab los nrog lub portable Bluetooth boombox uas yuav muaj roj teeb rov tau thiab ua haujlwm tau zoo. Tus hais lus no yog ua raws Paul Carmody's Isetta tus neeg hais lus tsim uas kuv tau kho dua me ntsis kom haum

Pib Nrog Ntev Ntau Yam Wireless Kub thiab Kev Ruaj Ntseg: 7 Cov Kauj Ruam

Pib Nrog Ntev Ntau Yam Wireless Kub thiab Kev Ruaj Ntseg: 7 Cov Kauj Ruam

Pib Pib Nrog Ntev Ntau Yam Wireless Kub thiab Kev Ruaj Ntseg: Qee zaum kev co yog qhov ua rau muaj teeb meem loj hauv ntau daim ntawv thov. Los ntawm lub tshuab shafts thiab cov kabmob mus rau qhov ua haujlwm nyuaj, kev co ua rau lub tshuab puas, hloov thaum ntxov, kev ua haujlwm qis, thiab ua rau muaj kev cuam tshuam loj rau qhov raug. Saib xyuas

Raspberry Pi Scoreboard: 4 Kauj Ruam

Raspberry Pi Scoreboard: 4 Kauj Ruam

Raspberry Pi Scoreboard: Hnub no kuv yuav piav qhia qhov kuv tau ua cov qhab nia no uas tau tswj los ntawm raspberry pi thiab siv los ntawm 5V lub zog xa khoom. Nws siv kev sib xyaw ntawm ws2811 thiab ws2812b leds rau teeb pom kev zoo thiab cov qauv tsim los ntawm plywood thiab liab ntoo qhib. Rau kev piav qhia

Cov Sijhawm Digital LED Dot Matrix - ESP Matrix Android App: 14 Cov Kauj Ruam

Cov Sijhawm Digital LED Dot Matrix - ESP Matrix Android App: 14 Cov Kauj Ruam

Digital Clock LED Dot Matrix - ESP Matrix Android App: Kab lus no tau txaus siab txhawb nqa los ntawm PCBWAY.PCBWAY ua cov qauv zoo PCBs rau tib neeg thoob plaws ntiaj teb. Sim nws rau koj tus kheej thiab tau txais 10 PCBs rau tsuas yog $ 5 ntawm PCBWAY nrog qhov ua tau zoo heev, Ua tsaug PCBWAY. ESP Matrix Board uas kuv deve

DIY Pocket Watch: 9 Kauj Ruam

DIY Pocket Watch: 9 Kauj Ruam

DIY Pocket Watch: Hauv lub ntiaj teb no tibneeg hu tauj coob ua raws lub sijhawm yog yuav tsum muaj kev ua tau zoo dua thiab ua tus nyiam ua haujlwm vim li cas ho tsis ua lub cuab yeej kom ua raws lub sijhawm. Ua tsaug rau thev naus laus zis muaj cov khoom siv hu ua 'saib' tab sis! thaum koj ua tej yam los ntawm koj tus kheej qhov kev txaus siab

BigBit Binary moos Zaub: 9 Kauj Ruam (nrog Duab)

BigBit Binary moos Zaub: 9 Kauj Ruam (nrog Duab)

BigBit Binary Moos Zaub: Hauv qhov qhia yav dhau los (Microbit Binary Clock), txoj haujlwm yog qhov zoo tshaj plaws raws li lub tshuab nqa khoom siv tau zoo li cov zaub tau me me.Yog li ntawd zoo li tsim nyog uas tom ntej no yuav tsum yog mantel lossis phab ntsa mounted version tab sis loj dua

Kev Tiv Thaiv Cov Neeg Hlau Siv Ultrasonic Sensor (Proteus): 12 Cov Kauj Ruam

Kev Tiv Thaiv Cov Neeg Hlau Siv Ultrasonic Sensor (Proteus): 12 Cov Kauj Ruam

Kev Tiv Thaiv Cov Neeg Hlau Siv Ultrasonic Sensor (Proteus): Peb feem ntau hla hla kev ua kom tsis txhob muaj neeg hlau nyob txhua qhov chaw. Kev sim cov cuab yeej ntawm cov neeg hlau no yog ib feem ntawm kev sib tw hauv ntau lub tsev kawm qib siab thiab hauv ntau qhov xwm txheej. Tab sis software simulation ntawm qhov teeb meem neeg hlau tsis tshua muaj. Txawm hais tias peb tuaj yeem pom nws nyob qhov twg

Kub thiab Teeb Sensor: 8 Kauj Ruam

Kub thiab Teeb Sensor: 8 Kauj Ruam

Kub thiab Teeb Sensor: Cov lus qhia no yog rau qhov ntsuas kub thiab lub teeb pom kev zoo. Hais txog nws

Cov Ntawv Xa Ntawv Sensor Siv Arduino: 4 Cov Kauj Ruam

Cov Ntawv Xa Ntawv Sensor Siv Arduino: 4 Cov Kauj Ruam

Kev Xa Ntawv Xa Ntawv Siv Arduino: Nyob zoo, Kuv vam tias koj txhua tus ua tau zoo. Hnub no kuv yuav qhia koj yuav ua li cas thiaj ua tau lub thawv ntawv xa ntawv nrog lub ntsuas pa siv lub arduino board thiab IDE. Txoj haujlwm no yooj yim heev thiab cov khoom siv feem ntau tuaj yeem nrhiav tau hauv ntau lub tsev. Paub tias Covid-19 tau tsoo peb yog

Npuas Bobble Arcade Txee (Bartop): 14 Cov Kauj Ruam (nrog Duab)

Npuas Bobble Arcade Txee (Bartop): 14 Cov Kauj Ruam (nrog Duab)

Npuas Bobble Arcade Txee (Bartop): Tseem muaj lwm lub txee tsim phau ntawv qhia? Zoo, Kuv tau tsim kuv lub txee siv, feem ntau, Galactic Starcade ua tus qauv, tab sis kuv tau hloov qee yam raws li kuv tau mus uas kuv xav, hauv qhov tsis pom, txhim kho ob qho tib si qhov yooj yim ntawm kev haum qee qhov, thiab txhim kho kev zoo nkauj

Ntse Siv: 18 Kauj Ruam

Ntse Siv: 18 Kauj Ruam

Txoj Siv Ntse: Hnav qee yam khoom siv yog qhov nyuaj heev. Ua siab ncaj, hauv txoj haujlwm no, kuv tau txais kev pab los ntawm kuv niam los xaws rooj plaub rau kuv vim kuv tsis tuaj yeem xaws los ntawm kuv tus kheej. Ceev faj thaum xaws siv tshuab xaws. Yog tias koj tsis tau ntsib dua xaws nrog tshuab xaws, nws tseem yog

Program Koj Tus Kheej 2048 Game W/Java !: 8 Kauj Ruam

Program Koj Tus Kheej 2048 Game W/Java !: 8 Kauj Ruam

Program Koj Tus Kheej 2048 Game W/Java !: Kuv nyiam qhov game 2048. Thiab yog li kuv txiav txim siab ua qhov program kuv tus kheej. Nws zoo ib yam li qhov kev ua si tiag tiag, tab sis kev tsim kho nws tus kheej ua rau kuv muaj kev ywj pheej hloov qhov kuv xav tau txhua lub sijhawm kuv xav tau. Yog tias kuv xav tau 5x5 game es tsis siv qhov 4x4, ib

Kev Ntsuas Sijhawm (Daim Kab Xev Ntsuas Sijhawm): 5 Kauj Ruam (nrog Duab)

Kev Ntsuas Sijhawm (Daim Kab Xev Ntsuas Sijhawm): 5 Kauj Ruam (nrog Duab)

Kev Ntsuas Sijhawm (Daim Kab Xev Ntsuas Sijhawm): Rau qhov haujlwm no, peb (Alex Fiel & Anna Lynton) tau siv cov cuab yeej ntsuas txhua hnub thiab hloov nws mus rau hauv lub moos! Thawj lub tswv yim yog siv lub tshuab ntsuas kab xev uas twb muaj lawm. Hauv kev ua qhov ntawd, peb txiav txim siab nws yuav yooj yim dua los tsim peb tus kheej lub plhaub kom mus nrog

Taw Pedal Shutter Chaw Taws Teeb + Ua rau: 6 Cov Kauj Ruam (nrog Duab)

Taw Pedal Shutter Chaw Taws Teeb + Ua rau: 6 Cov Kauj Ruam (nrog Duab)

Pedal Shutter Remote + Trigger: Lub pedal no yog qhov zoo tshaj plaws rau nres cov neeg ua yeeb yaj kiab, cov duab khaws cia, bloggers, thiab cov txuj ci uas tsis tuaj yeem ncav lub khawm kaw ntawm lawv lub koob yees duab txhua lub sijhawm, lossis xav tau ua haujlwm sai ntawm lub ntsiav tshuaj nrog lub koob yees duab ntsia siab tshaj. Hloov kho lub Kaum Ob Hlis 2020: E

Retro Arcade - (Tag Nrho Loj Tsim los ntawm Raspberry Pi): 8 Kauj Ruam

Retro Arcade - (Tag Nrho Loj Tsim los ntawm Raspberry Pi): 8 Kauj Ruam

Retro Arcade - (Full Size Powered by Raspberry Pi): Ua ntej kuv xav ua tsaug rau koj ua tibzoo saib ntawm phau ntawv qhia tsim no rau Retro Arcade system. Kuv tab tom noj lub thawv arcade laus dua thiab muab tso rau hauv lub txee ib leeg nrog 24-nti lub vijtsam saib dav. Kev ntsuas ntawm phau ntawv qhia no nyuaj rau muab rau koj

Yuav Ua Li Cas Thiaj Li Siv Tau Tin-Can Xov Tooj! (Arduino Walkie Talkie): 7 Kauj Ruam (nrog Duab)

Yuav Ua Li Cas Thiaj Li Siv Tau Tin-Can Xov Tooj! (Arduino Walkie Talkie): 7 Kauj Ruam (nrog Duab)

Yuav Ua Li Cas Thiaj Li Siv Tau Tin-Can Xov Tooj! (Arduino Walkie Talkie): Tsuas yog lwm hnub, Kuv nyob hauv nruab nrab ntawm cov xov tooj tseem ceeb heev thaum kuv lub xov tooj txiv tsawb tsis ua haujlwm! Kuv chim siab heev. Nov yog zaum kawg uas kuv tsis hu vim yog lub xov tooj ruam! (Hauv kev xav, kuv yuav npau taws me ntsis hauv

Tsim Macintosh Plus ROMs: 3 Cov Kauj Ruam (nrog Duab)

Tsim Macintosh Plus ROMs: 3 Cov Kauj Ruam (nrog Duab)

Tsim Macintosh Plus ROMs: Phau ntawv qhia no yuav coj koj mus txog cov txheej txheem ntawm "ripping" EPROM cov duab los ntawm koj lub Macintosh Plus ROM chips thiab (lossis) " hlawv " cov duab rau daim tshiab. Cov txheej txheem yuav ua tiav ob zaug los tsim ob qho tib si &

Kev ntsuas huab cua sab hauv tsev: 5 kauj ruam (nrog duab)

Kev ntsuas huab cua sab hauv tsev: 5 kauj ruam (nrog duab)

Kev ntsuas huab cua sab hauv tsev: txoj haujlwm yooj yim txhawm rau tshuaj xyuas huab cua zoo hauv koj lub tsev. thiab tau txais ib co huab cua ntshiab hauv

Mechanical Seven Segment Display Clock: 7 Cov Kauj Ruam (nrog Duab)

Mechanical Seven Segment Display Clock: 7 Cov Kauj Ruam (nrog Duab)

Mechanical Seven Segment Display Clock: Ob peb lub hlis dhau los Kuv tau tsim ob tus lej 7 tshuab ntu uas kuv tau hloov mus rau lub sijhawm suav suav. Nws tau tawm los zoo heev thiab muaj coob tus neeg pom tias ua ob npaug ntawm cov zaub kom ua lub moos. Qhov teeb meem yog tias kuv twb tau khiav lawm

Ntse Tsev los ntawm Raspberry Pi: 5 Kauj Ruam (nrog Duab)

Ntse Tsev los ntawm Raspberry Pi: 5 Kauj Ruam (nrog Duab)

Ntse Tsev los ntawm Raspberry Pi: Muaj twb tau ntau cov khoom lag luam tawm muaj uas ua rau koj tiaj tus ntse dua, tab sis feem ntau ntawm lawv yog cov tswv lag luam. Tab sis vim li cas koj thiaj xav tau kev sib txuas hauv internet txhawm rau hloov lub teeb nrog koj lub smartphone? Qhov ntawd yog ib qho laj thawj rau kuv los tsim kuv tus kheej Smar

Portable Bluetooth Hais Lus - MKBoom DIY Kit: 5 Kauj Ruam (nrog Duab)

Portable Bluetooth Hais Lus - MKBoom DIY Kit: 5 Kauj Ruam (nrog Duab)

Portable Bluetooth Hais Lus | MKBoom DIY Kit: Nyob zoo txhua tus! Yog li zoo kom rov qab los nrog tseem muaj lwm txoj haujlwm hais lus tom qab so ntev Vim tias feem ntau ntawm kuv qhov kev tsim khoom xav tau ob peb yam cuab yeej ua kom tiav, lub sijhawm no kuv txiav txim siab tsim lub hais lus nqa tau siv cov khoom siv uas koj tuaj yeem yuav tau yooj yim. Kuv xav tias

Inkscape 101: 12 Cov Kauj Ruam

Inkscape 101: 12 Cov Kauj Ruam

Inkscape 101: Cov lus qhia no tau npaj thiab tsim rau Makerspace Meetup los qhia cov neeg koom nrog Inkscape, cov duab kos duab dawb software uas peb siv rau kev tsim laser txiav.*Hloov kho 12.28.20 nrog Inkscape 1.0 version

SIM900A 2G Module + Hologram SIM Card = Winning Combination in Category "av Pheej Yig"?: 6 Kauj Ruam

SIM900A 2G Module + Hologram SIM Card = Winning Combination in Category "av Pheej Yig"?: 6 Kauj Ruam

SIM900A 2G Module + Hologram SIM Card = Winning Combination in Category "av Pheej Yig"?: IoT, lo lus zais ntawm kaum xyoo no, qee zaum nkag mus rau hauv lub siab ntawm tib neeg txiav txim siab lawv tus kheej tiv thaiv fad, nrog kuv ntawm lawv. Ib hnub kuv tau tshawb nrhiav Internet thiab pom ib lub tuam txhab uas kuv tsis tau hnov dua ua ntej (Hologram) muab SIM daim npav

Neopixel Tester: 4 Kauj Ruam

Neopixel Tester: 4 Kauj Ruam

Neopixel Tester: Tej zaum koj yuav tsim ib qhov haujlwm uas siv Neopixel LED's lossis muaj qee qhov hauv koj lub thawv uas koj xav tshuaj xyuas lawv ua haujlwm. Kuv muaj qhov xav tau tib yam tab sis ntau dua tos kom txog thaum txoj haujlwm tiav los nrhiav qhov teeb meem, Kuv xav kom ntseeg tau tias lawv

Kev Tua Dej Rau Tus Kheej: 3 Kauj Ruam

Kev Tua Dej Rau Tus Kheej: 3 Kauj Ruam

Kev Tua Dej Rau Tus Kheej: Yog li txoj haujlwm no yooj yim heev thiab muaj txiaj ntsig zoo ib yam. Ib tus neeg uas paub me ntsis lossis tsis paub txog Arduino tuaj yeem ua tiav txoj haujlwm no

Ua Ib Daim iav Daim Duab Infinity: 15 Kauj Ruam (nrog Duab)

Ua Ib Daim iav Daim Duab Infinity: 15 Kauj Ruam (nrog Duab)

Ua Lub Tsom iav Infinity: Hauv qhov haujlwm yav dhau los kuv tau tsim daim iav tsis muaj qhov kawg, qhov twg kuv lub hom phiaj kawg rau nws yog ua kom nws ua lub moos. (Ua Daim iav Infinity Muaj Xim) Kuv tsis tau ua raws li tom qab tsim nws vim tias, txawm hais tias nws zoo li txias, muaj qee yam nrog

Tsis siv neeg ntxuav tes: 8 Kauj Ruam

Tsis siv neeg ntxuav tes: 8 Kauj Ruam

Tsis siv neeg ntxuav tes tsis tu ncua: COVID-19 muaj thoob qhov txhia chaw tau dhau los ua ib qho uas cov pej xeem tau hnov ntau zaus thaum xyoo 2020. Txhua tus pej xeem uas hnov lo lus "COVID-19" yuav xav tam sim ntawm lo lus "txaus ntshai", "tuag", "Khaws huv" ", Thiab lwm yam lus. Qhov COVID-19 no tseem muaj

Chaw Pabcuam Huab Cua Los Ntawm Satellite: 5 Kauj Ruam

Chaw Pabcuam Huab Cua Los Ntawm Satellite: 5 Kauj Ruam

Chaw Pabcuam Huab Cua Los Ntawm Satellite: Txoj haujlwm no yog rau cov tib neeg uas xav sau lawv cov ntaub ntawv huab cua. Nws tuaj yeem ntsuas cua nrawm thiab kev taw qhia, qhov kub thiab huab cua noo. Nws tseem muaj peev xwm mloog huab cua huab cua ncig lub ntiaj teb ib zaug txhua 100 feeb. Kuv xav

Chrome T-rex Game Hack Siv Arduino: 5 Kauj Ruam

Chrome T-rex Game Hack Siv Arduino: 5 Kauj Ruam

Chrome T-rex Game Hack Siv Arduino: Hauv qhov kev qhia no peb yuav hack chrome t-rex game nrog arduino

Kev Siv Hluav Taws Xob Hluav Taws Xob Nrog Tus Kheej Pom Cov Nplaim Taws: 3 Kauj Ruam

Kev Siv Hluav Taws Xob Hluav Taws Xob Nrog Tus Kheej Pom Cov Nplaim Taws: 3 Kauj Ruam

Kev Siv Hluav Taws Xob Hluav Taws Xob Nrog Tus Kheej Nrhiav Cov Nplaim Taws: Muaj Hwj Chim HLOOV TSHUAJ TSEV KAWM NTAWV ROBOT GEN2.0HII..Nws yog peb thawj qhov project.so cia peb pib. Lub tswv yim ntawm tus neeg hlau no yooj yim heev. txuag tib neeg lub neej tsis siv tus nqi qis ceev hluav taws kub t

Kev Hais Lus Qub Hloov Rau Bluetooth Boombox: 8 Kauj Ruam (nrog Duab)

Kev Hais Lus Qub Hloov Rau Bluetooth Boombox: 8 Kauj Ruam (nrog Duab)

Hloov Tus Hais Lus Qub rau Bluetooth Boombox: HI sawv daws! Ua tsaug ntau ntau rau kev koom tes nrog kuv ntawm qhov kev tsim no! Ua ntej peb dhia hauv cov ntsiab lus, thov txiav txim siab pov npav rau Cov Lus Qhia hauv kev sib tw hauv qab no. Kev txhawb nqa tau zoo siab heev! Nws tau ob peb xyoos txij li thaum kuv pib

Mash Up Arduino Code Samples: 6 Kauj Ruam (nrog Duab)

Mash Up Arduino Code Samples: 6 Kauj Ruam (nrog Duab)

Mash Up Arduino Code Samples: Qhov kev qhia no taug kev los ntawm cov txheej txheem ntawm kev sib txuas ua ke Arduino cov qauv duab kos los ua cov phiaj xwm ua haujlwm. Kev tsim cov cai rau koj txoj haujlwm tuaj yeem yog qhov kev hem thawj tshaj plaws, tshwj xeeb tshaj yog tias koj tsis tau ua nws ib txhiab zaug lawm yog tias

Intro rau IR Circuits: 8 Kauj Ruam (nrog Duab)

Intro rau IR Circuits: 8 Kauj Ruam (nrog Duab)

Intro rau IR Circuits: IR yog cov thev naus laus zis tsis yooj yim los ua haujlwm nrog. Tsis zoo li LEDs lossis LASERs, Infrared tsis tuaj yeem pom nrog tib neeg qhov muag. Hauv Cov Lus Qhia no, Kuv yuav qhia kev siv Infrared hla 3 qhov sib txawv hauv qhov sib txawv.Qhov kev sib txuas yuav tsis yog koj li

Keypad Servo Xauv: 5 Kauj Ruam

Keypad Servo Xauv: 5 Kauj Ruam

Keypad Servo Lock: Nyob zoo txhua tus, vam tias koj muaj hnub zoo. Yog tias tsis cia siab koj tuaj yeem rov qab nrog qee qhov qhib siab rau qhov kev qhia no thiab qee cov suab paj nruag kho. Programming tuaj yeem ua teeb meem. Ua tsaug, qhov kev qhia no tsis yog qhov nyuaj, yog li koj tuaj yeem muaj peev xwm ua tiav

Z80-MBC2 Programming Atmega32a: 6 Cov Kauj Ruam

Z80-MBC2 Programming Atmega32a: 6 Cov Kauj Ruam

Z80-MBC2 Programming Atmega32a: Ua ntej koj tuaj yeem siv z80-MBC2, tom qab tsim nws, koj yuav tsum tau teeb tsa Atmeg32. Cov lus qhia no qhia koj yuav siv li cas pheej yig arduino mini ua tus programmer kom tso cov cai