Nws ua haujlwm li cas 2024, Kaum ib hlis

Ntse B.A.L (txuas nrog Xa Ntawv Xa Ntawv): 4 Cov Kauj Ruam

Ntse B.A.L (txuas nrog Xa Ntawv Xa Ntawv): 4 Cov Kauj Ruam

Smart B.A.L (txuas nrog Cov Ntawv Xa Ntawv): Koj nkees nkees ntawm kev txheeb xyuas txhua lub sijhawm koj lub mailbox thaum tsis muaj dab tsi sab hauv. Koj xav paub yog tias koj tau txais koj li ntawv lossis pob khoom thaum mus ncig. Yog li ntawv xa ntawv txuas yog rau koj. Nws yuav ceeb toom rau koj yog tias tus neeg xa ntawv tau xa nyiaj xa ntawv lossis xa tawm

Hlawv Bootloader Rau Hauv Arduino Nano 3.0 Clone Board: 11 Kauj Ruam

Hlawv Bootloader Rau Hauv Arduino Nano 3.0 Clone Board: 11 Kauj Ruam

Hlawv Bootloader Rau Hauv Arduino Nano 3.0 Clone Board: tsis ntev los no tau yuav Arduino Nano 3.0 Clone los ntawm AliExpress uas tuaj tsis muaj bootloader. Kuv paub tseeb tias muaj ntau tus neeg uas nyob hauv tib qhov xwm txheej zoo ib yam li kuv, thiab tej zaum yuav ua rau kuv npau taws me ntsis thaum xub thawj! Tsis txhob txhawj xeeb, hauv phau ntawv qhia no

Raspberry Pi Box ntawm Cooling FAN Nrog CPU Qhov Ntsuas Kub: 10 Kauj Ruam (nrog Duab)

Raspberry Pi Box ntawm Cooling FAN Nrog CPU Qhov Ntsuas Kub: 10 Kauj Ruam (nrog Duab)

Raspberry Pi Box ntawm Cooling FAN Nrog CPU Qhov Ntsuas Kub: Kuv tau qhia txog raspberry pi (txuas ntxiv mus raws li RPI) CPU ntsuas qhov ntsuas hluav taws xob hauv qhov haujlwm dhau los.Qhov Circuit no tsuas yog qhia RPI 4 qhov sib txawv CPU kub raws li hauv qab no .- Ntsuab LED qhib thaum CPU kub yog hauv 30 ~

Arduino & WS2811 Christmas Ntoo: 8 Kauj Ruam

Arduino & WS2811 Christmas Ntoo: 8 Kauj Ruam

Arduino & WS2811 Christmas Ntoo: Txij li muaj lwm qhov haujlwm zoo sib xws Christmas Teeb Arduino thiab WS2811, Arduino Xmass ntoo Kuv pom lawv nyuaj rau cov neeg tshiab. Yog li kuv txiav txim siab tshaj tawm txoj haujlwm no yooj yim thiab tsis muaj nyiaj, uas koj tuaj yeem sim ua ntej ntsib qhov nyuaj dua, w

STONE LCD Nrog Lub Tsev Ntse: 5 Kauj Ruam

STONE LCD Nrog Lub Tsev Ntse: 5 Kauj Ruam

STONE LCD Nrog Lub Tsev Ntse: Hnub no, Kuv tau txais STONE's serial chaw nres nkoj tsav tsheb, uas tuaj yeem sib tham tau los ntawm MCU lub chaw nres nkoj, thiab UI kev tsim qauv ntawm cov zaub no tuaj yeem tsim ncaj qha los ntawm kev siv VGUS software muab rau ntawm STONE lub vev xaib raug cai, uas yog yooj yim

CPE 133 Txoj Haujlwm Kawg Kawg Zauv rau Binary: 5 Kauj Ruam

CPE 133 Txoj Haujlwm Kawg Kawg Zauv rau Binary: 5 Kauj Ruam

CPE 133 Txoj Haujlwm Kawg Kawg Thib Ob rau Binary: Tus lej Binary yog ib qho ntawm thawj qhov uas los rau hauv siab thaum xav txog cov laj thawj digital. Txawm li cas los xij, Tus lej Binary tuaj yeem yog lub tswv yim nyuaj rau cov tshiab rau nws qhov haujlwm no yuav pab cov uas yog ob qho tshiab thiab tau ntsib nrog cov lej binary mas

Arduino Tsuav Nrog Cov Suab: 7 Kauj Ruam

Arduino Tsuav Nrog Cov Suab: 7 Kauj Ruam

Arduino Tsuav Nrog Lub Suab: Hauv qhov kev qhia no, koj yuav kawm paub tsim Arduino tsuav nrog lub suab siv LED thiab hais lus. Tsuas yog kev pib ua lub tshuab tag nrho yog ib zaug thiab kov yooj yim. Cov ntawv qhia no suav nrog cov ntaub ntawv, cov kauj ruam thiab cov cai xav tau rau bui

Chaw Tuav Huab Cua Handheld: 4 Kauj Ruam

Chaw Tuav Huab Cua Handheld: 4 Kauj Ruam

Qhov Chaw Nthuav Dav Handheld: Hauv Cov Lus Qhia no peb yuav siv Arduino, cov duab tso rau pom, thiab SparkFun ib puag ncig lub ntsej muag sib xyaw nrog CCS811 thiab BME280 lub ntsuas pa ntawm lub nkoj los tsim cov cuab yeej siv tes uas ntsuas kub, av noo, TVOC qib, ntsuas ntsuas siab

Z-Wave Antenna: 4 Kauj Ruam

Z-Wave Antenna: 4 Kauj Ruam

Z-Wave Kav hlau txais xov: Cov kav hlau txais xov dhau los ua kom muaj zog thiab ntau yam Tsis muaj kev sib dhos lossis cov khoom siv tsim nyog Qhov pheej yig Yooj yim rau nruab Kuv tau sim nrog kuv Z-Wave Plus system txhawm rau nce ntau ntawm kuv lub roj teeb uas siv lub qhov rooj/w

Yuav Ua Li Cas Tsim Tus Nqi Tus Nqi ECG Tus Nqi Qis: 26 Kauj Ruam

Yuav Ua Li Cas Tsim Tus Nqi Tus Nqi ECG Tus Nqi Qis: 26 Kauj Ruam

Yuav Ua Li Cas Tsim Tus Nqi ECG Tus Nqi Qis: Nyob zoo txhua tus! Kuv lub npe yog Mariano thiab kuv yog kws kho mob biomedical. Kuv tau siv qee hnub so los tsim thiab paub txog tus qauv ntawm tus nqi qis ECG ntaus ntawv raws Arduino pawg thawj coj txuas nrog ntawm Bluetooth mus rau Android ntaus ntawv (smartphone lossis ntsiav tshuaj). Kuv yuav

Ua Rau Koj Tus Kheej Av Hnov Sensor Nrog Arduino !!!: 10 Kauj Ruam

Ua Rau Koj Tus Kheej Av Hnov Sensor Nrog Arduino !!!: 10 Kauj Ruam

Ua Koj Tus Kheej Av Hnov Sensor Nrog Arduino !!!: HAIS TIAS !!! Hauv qhov kev qhia no, peb tab tom cuam tshuam nrog av noo sensor FC-28 nrog Arduino. Qhov ntsuas no ntsuas ntsuas cov dej hauv cov av hauv av thiab muab peb cov dej noo raws li qhov tsim tawm. Lub sensor tau nruab nrog ob qho tib si analo

Lo lus zais tiv thaiv qhov rooj Xauv ntawm Tnikercad: 4 Cov Kauj Ruam

Lo lus zais tiv thaiv qhov rooj Xauv ntawm Tnikercad: 4 Cov Kauj Ruam

Lo lus zais tiv thaiv lub qhov rooj xauv ntawm Tnikercad: Rau qhov haujlwm no, peb yuav siv cov lus nkag los ntawm cov keyboard, txheej txheem uas nkag los ua lub kaum sab xis, thiab txav lub tshuab servo raws li 3-tus lej tau txais. Kuv siv 4 x 4 tus lej, tab sis yog tias koj muaj tus lej 3x4, nws muaj qhov sib txuas zoo sib xws, yog li nws tuaj yeem yog

YUAV TSUM DRIVE FT232R USB UART CLONE ARDUINO NANO BOARD 3.0: 7 Cov Kauj Ruam

YUAV TSUM DRIVE FT232R USB UART CLONE ARDUINO NANO BOARD 3.0: 7 Cov Kauj Ruam

YUAV UA LI CAS FT232R USB UART CLONE ARDUINO NANO BOARD 3.0: Hnub no, kuv yuav arduino nano v3.0 (clone), tab sis kuv muaj teeb meem. kuv lub khoos phis tawj ib txwm kuaj pom "FT232R USB UART" andarduino Lub tswv yim tsis tuaj yeem txheeb xyuas lub rooj tsavxwm no. yog vim li cas? yog dab tsi? ok kuv muaj kev qhia los daws qhov teeb meem no

Raspberry Pi CPU Qhov Ntsuas Kub: 11 Kauj Ruam (nrog Duab)

Raspberry Pi CPU Qhov Ntsuas Kub: 11 Kauj Ruam (nrog Duab)

Raspberry Pi CPU Qhov Ntsuas Kub: Yav dhau los kuv tau qhia yooj yim raspberry pi (txuas ntxiv mus raws li RPI) kev ua haujlwm ntsuas qhov ntsuas lub sijhawm no. CPU sijhawm

YUAV UA LI CAS INTERFACE PASSIVE BUZZER NROG ARDUINO: 4 Kauj Ruam

YUAV UA LI CAS INTERFACE PASSIVE BUZZER NROG ARDUINO: 4 Kauj Ruam

YUAV UA LI CAS INTERFACE PASSIVE BUZZER NROG ARDUINO: Ua lub suab ntawm arduino yog qhov haujlwm txaus nyiam, qhov no ua tiav siv cov qauv sib txawv thiab cov khoom siv nyob ntawm koj txoj haujlwm thiab xaiv. Hauv txoj haujlwm no, peb yuav saib txoj hauv kev uas koj tuaj yeem ua suab nrog lub suab nrov. Buzzer siv los ntawm ho

Arduino Spaceship Interface: 3 Kauj Ruam

Arduino Spaceship Interface: 3 Kauj Ruam

Arduino Spaceship Interface: Nyob zoo Cov neeg hauv zej zog, Lub sijhawm no kuv tau ua ib qhov haujlwm yooj yim tshaj plaws kom ua tiav nrog Arduino Uno: lub dav hlau ncig lub dav hlau. Nws yog lub npe hu vim tias nws yog hom phiaj xwm thiab kev siv hluav taws xob uas yuav siv rau thaum ntxov sci-fi TV qhia thiab movi

Arduino Counter Siv TM1637 LED Zaub & Kev Tiv Thaiv Kev Tiv Thaiv: 7 Cov Kauj Ruam

Arduino Counter Siv TM1637 LED Zaub & Kev Tiv Thaiv Kev Tiv Thaiv: 7 Cov Kauj Ruam

Arduino Counter Siv TM1637 LED Zaub & Kev Tiv Thaiv Kev Tiv Thaiv: Hauv qhov kev qhia no peb yuav kawm paub yuav ua li cas tus lej lej yooj yim siv LED Zaub TM1637 thiab teeb meem zam kev ntsuas thiab Visuino. Saib cov vis dis aus

Lemonade Dispenser: 4 Kauj Ruam

Lemonade Dispenser: 4 Kauj Ruam

Lemonade Dispenser: Nyob zoo cov neeg tsim khoom, Koj puas paub lub sijhawm ntawd thaum koj nchuav rau hauv cov kua txiv qaub tab sis koj ib txwm hla dhau los lossis tshaj me ntsis txiv qaub? Zoo tsis muaj ntxiv vim tias kuv tau tsim lub tshuab ua kua txiv qaub no uas xa cov kua txiv qaub ntawm qhov raug ntawm 0,5 ml! Nov yog kuv qhov thib peb

AQUARIUM EVAPORATION TOP OFF SYSTEM: 6 Kauj Ruam

AQUARIUM EVAPORATION TOP OFF SYSTEM: 6 Kauj Ruam

AQUARIUM EVAPORATION TOP OFF SYSTEM: Kev nqus dej ua kom txo cov dej hauv cov thoob dej yug ntses thiab yog tias tsis tso tseg, yuav ua rau muaj kev hloov pauv hauv tshuaj lom neeg ntawm cov dej uas seem. Cov kev hloov pauv no yuav muaj kev cuam tshuam tsis zoo rau kev ua neej nyob hauv cov thoob dej yug ntses. Yog li nws yog qhov tseem ceeb rau kuv

ARDUINO ORP SENSOR CALIBRATION: 3 Kauj Ruam

ARDUINO ORP SENSOR CALIBRATION: 3 Kauj Ruam

ARDUINO ORP SENSOR CALIBRATION: Hauv qhov kev qhia no, peb yuav ntsuas ntsuas Atlas Kev Tshawb Fawb EZO ORP (oxidation-txo peev xwm) sensor siv Arduino Uno.CALIBRATION THEORY Qhov tseem ceeb tshaj plaws ntawm kev ntsuas ntsuas yog saib kev nyeem thaum lub sijhawm ntsuas ntsuas. Nws yog easi

ARDUINO DISSOLVED OXYGEN SENSOR CALIBRATION: 4 Kauj Ruam

ARDUINO DISSOLVED OXYGEN SENSOR CALIBRATION: 4 Kauj Ruam

ARDUINO DISSOLVED OXYGEN SENSOR CALIBRATION: Hauv qhov kev qhia no, peb yuav ntsuas ntsuas Atlas Scientific's EZO dissolved oxygen (D.O) sensor siv Arduino Uno. Nws yog qhov yooj yim tshaj plaws los ntsuas

ARDUINO SALINITY SENSOR CALIBRATION: 9 Kauj Ruam

ARDUINO SALINITY SENSOR CALIBRATION: 9 Kauj Ruam

ARDUINO SALINITY SENSOR CALIBRATION: Hauv qhov kev qhia no, peb yuav ntsuas ntsuas Atlas Scientific's EZO salinity/conductivity K1.0 sensor siv Arduino Uno. Nws yog qhov yooj yim tshaj plaws rau

Yuav Ua Li Cas Ntxuav Yuav luag Txhua Tus Game Game Controller: 5 Kauj Ruam

Yuav Ua Li Cas Ntxuav Yuav luag Txhua Tus Game Game Controller: 5 Kauj Ruam

Yuav Ua Li Cas Ntxuav Yuav luag Txhua Tus Tswj Kev Ua Si: Kuv muaj ib txhais tes ntawm cov Logitech Dual Action tswj uas kuv siv rau Raspberry Pi emulator uas kuv yuav tau tshaj tawm Cov Lus Qhia rau sai sai. Thaum sim siv lub maub los no dhau ib xyoos), feem ntau ntawm cov nyees khawm ntawm th

Qhov Ntsuas Dej Qhia Siv Arduino hauv TinkerCad: 3 Kauj Ruam

Qhov Ntsuas Dej Qhia Siv Arduino hauv TinkerCad: 3 Kauj Ruam

Qhov Ntsuas Qhov Ntsuas Dej Siv Arduino hauv TinkerCad: Kab lus no yog hais txog kev ua haujlwm tswj cov qib dej siv Arduino. Lub Circuit Court qhia txog qib dej hauv lub tank thiab hloov lub tshuab ON thaum cov qib dej mus qis dua qib uas tau npaj tseg. Lub tshuab hluav taws xob tau hloov pauv

Rov kho WW2 Era Multimeter rau Kev Ua Haujlwm: 3 Kauj Ruam

Rov kho WW2 Era Multimeter rau Kev Ua Haujlwm: 3 Kauj Ruam

Rov ua dua WW2 Era Multimeter rau Kev Ua Haujlwm Ua Haujlwm: Muaj ntau xyoo dhau los Kuv tau txais qhov Simpson Electric multimeter thaum ntxov rau kuv sau. Nws tuaj hauv cov ntaub ntawv tawv tawv dub uas yog qhov zoo heev txiav txim siab nws lub hnub nyoog. Tsoomfwv Meskas Lub Tsev Haujlwm Saib Xyuas Kev Nyab Xeeb patent hnub rau ntsuas lub ntsuas yog 1936 a

M5STACK Yuav Ua Li Cas Saib Kub, Vaum thiab Siab ntawm M5StickC ESP32 Siv Visuino - Yooj Yim Ua: 6 Kauj Ruam

M5STACK Yuav Ua Li Cas Saib Kub, Vaum thiab Siab ntawm M5StickC ESP32 Siv Visuino - Yooj Yim Ua: 6 Kauj Ruam

M5STACK Yuav Ua Li Cas Thiaj Li Kub, Vaum thiab Siab ntawm M5StickC ESP32 Siv Visuino - Yooj Yim Ua: Hauv qhov kev qhia no peb yuav kawm paub yuav ua haujlwm ESP32 M5Stack StickC nrog Arduino IDE thiab Visuino kom tso saib qhov kub thiab txias thiab siab siv ENV sensor (DHT12, BMP280, BMM150)

Yuav Ua Li Cas Windows 7 Zoo Li Windows 95: 7 Cov Kauj Ruam

Yuav Ua Li Cas Windows 7 Zoo Li Windows 95: 7 Cov Kauj Ruam

Yuav Ua Li Cas Windows 7 Zoo Li Windows 95: Kuv xav qhia koj yuav ua li cas thiaj ua rau windows 7 zoo li windows 95 thiab kuv suav nrog ib qib ntxiv los ua kom nws zoo li windows 98 thiab nws tseem yog rau cov neeg uas xav ua lawv windows 7 zoo li lub qhov rais 98. Rau Cov Tib Neeg uas xav ua qhov rais 7 saib

Head Motion Tracking System rau VR: 8 Kauj Ruam

Head Motion Tracking System rau VR: 8 Kauj Ruam

Lub Taub Hau Motion Tracking System rau VR: Kuv lub npe yog Sam KODO, Hauv qhov kev qhia no, Kuv yuav qhia koj ib qib zuj zus tias yuav siv Arduino IMU sensors li cas txhawm rau tsim lub taub hau rau VR hauv qhov haujlwm no koj yuav xav tau: - Ib qho LCD Zaub HDMI : https: //www.amazon.com/Elecrow-Capacitive-interfac…- Ib

K40 Laser Cooling Guard Tutorial: 12 Kauj Ruam

K40 Laser Cooling Guard Tutorial: 12 Kauj Ruam

K40 Laser Cooling Guard Tutorial: K40 Laser Cooling Guard yog ib lub cuab yeej uas paub txog tus nqi ntws thiab kub ntawm K40 Co2 Laser cov kua txias. Nyob rau hauv rooj plaub tus nqi ntws poob qis hauv qee qhov nyiaj, Tus Saib Xyuas Txias txiav lub Laser hloov tiv thaiv lub lasertube los ntawm overheat

LEDs Kub thiab Vaum: 12 Kauj Ruam

LEDs Kub thiab Vaum: 12 Kauj Ruam

Kub thiab Vaum LEDs: Yog tias koj puas xav tau lub ntsuas cua pom ntau dua, txoj haujlwm no tuaj yeem pab tau. Peb yuav ua cov teeb ntawm LED uas tso saib qee yam xim raws qib ntawm cov av noo thiab qhov kub

Pom cov ntaub ntawv los ntawm Magicbit hauv AWS: 5 Kauj Ruam

Pom cov ntaub ntawv los ntawm Magicbit hauv AWS: 5 Kauj Ruam

Visualizing Cov Ntaub Ntawv Los Ntawm Magicbit hauv AWS: Cov ntaub ntawv sau los ntawm cov ntsuas txuas nrog Magicbit yuav tshaj tawm rau AWS IOT core los ntawm MQTT kom pom tau qhov pom tseeb hauv lub sijhawm. Peb tab tom siv khawv koob raws li pawg thawj coj loj hauv txoj haujlwm no uas yog raws ESP32. Yog li txhua yam ESP32 d

Zaj Escape: 3 Kauj Ruam

Zaj Escape: 3 Kauj Ruam

Zaj khiav tawm: Qhov no yuav raug sau rau ntawm code.org. Lub hauv paus tseem ceeb ntawm qhov kev ua si yog kom zam cov zaj thiab ntes dab qee lub sijhawm kom yeej. koj tuaj yeem xav tsis thoob koj cov phooj ywg nrog lub tswv yim kev ua si txias uas tuaj yeem hloov pauv mus rau qhov koj nyiam

STONE LCD Screen rau Tsheb Dashboard: 5 Kauj Ruam

STONE LCD Screen rau Tsheb Dashboard: 5 Kauj Ruam

STONE LCD Screen rau Tsheb Dashboard: Nrog kev txhim kho sai ntawm kev lag luam thiab kev txhim kho maj mam ntawm tib neeg kev siv hluav taws xob, tsheb tau dhau los ua qhov xav tau niaj hnub ntawm cov tsev neeg ib txwm muaj, thiab txhua tus neeg mob siab rau kev nplij siab thiab nyab xeeb ntawm lub tsheb

Arduino Traffic Light Controller Siv RBG Led - 4-Txoj Kev: 3 Kauj Ruam

Arduino Traffic Light Controller Siv RBG Led - 4-Txoj Kev: 3 Kauj Ruam

Arduino Traffic Light Controller Siv RBG Led | 4-Txoj Kev: Hauv kab ntawv no, koj yuav kawm paub yuav ua li cas thiaj ua tau Arduino teeb pom kev zoo tswj. Tus tswj lub teeb tsheb no yuav siv los tswj kev khiav tsheb. Cov no tuaj yeem siv rau thaj chaw muaj tsheb loj kom tsis txhob muaj tsheb sib tsoo lossis raug xwm txheej.Th

Ntse Lockbox: 7 Kauj Ruam

Ntse Lockbox: 7 Kauj Ruam

Ntse Lockbox: Hauv cov lus qhia no kuv yuav qhia koj yuav ua li cas thiaj ua tau lub lockbox ntse.Qhov lockbox yog siv los ntawm Arduino (UNO) thiab siv RFID thiab servo motor los tswj kev nkag thaum ua raws cov ntaub ntawv nkag los ntawm cov ntsuas sib txawv. yuav tsum khaws cia hauv ib

Arduino-tomation Tshooj 4: TRI DE BRIQUE: 5 Cov Kauj Ruam

Arduino-tomation Tshooj 4: TRI DE BRIQUE: 5 Cov Kauj Ruam

Arduino-tomation Ntu 4: TRI DE BRIQUE: Hauv Cov Lus Qhia no Kuv yuav tham koj txog lwm lub tshuab rov kho dua thiab tswj los ntawm Arduino clone board ua los ntawm Atmega1284p. Pawg thawj coj no tuaj yeem txhawb nqa daim thaiv thaiv ethernet thiab tuaj yeem saib xyuas los ntawm SCADA (AdvancedHMI, Unigo) lossis kev lag luam

Light-up Treasure Box: 4 Kauj Ruam

Light-up Treasure Box: 4 Kauj Ruam

Lub Teeb Khoom Plig Lub Teeb: Qhov no yog qhov haujlwm kuv tau ua rau kuv tus tub uas muaj 4 xyoos, uas tau thov lub thawv tshwj xeeb kom khaws thiab khaws me me dinosaurs, duab tso dag, lub plhaub, thiab cov khoom ntoo thiab ntawv tsis raug, aka " cov khoom muaj nqis. " Nws yog qhov tseem ceeb lub thawv ntoo yooj yim nrog lub hau hinged, m

Tswj Lub Teeb Tsheb: 4 Kauj Ruam

Tswj Lub Teeb Tsheb: 4 Kauj Ruam

Kev Tswj Lub Teeb Tsheb: Hauv qhov kev qhia no peb kawm paub tsim lub teeb tsheb thiab yuav tswj nws li cas los ntawm daim npav Drivemall.Peb yuav pom yuav tsim teeb liab tsheb rau cov tsheb thiab cov neeg taug kev li cas nrog khawm khawm yog tias peb tsis muaj drivermall peb tuaj yeem siv cov ardui

Controllo Di Un Semaforo: 4 Kauj Ruam

Controllo Di Un Semaforo: 4 Kauj Ruam

Controllo Di Un Semaforo: Hauv questo tutorial impariamo tuaj creare un semaforo stradale e tuaj controllarlo utilizzano la board Drivemall.Vedremo tuaj realizzare semafori rau auto e per pedoni con pulsante di prenotazione.Tutto questo sarà valido sia se utilizziamo l'Arduino

Vertical Plotter Nrog Drivemall: 6 Kauj Ruam

Vertical Plotter Nrog Drivemall: 6 Kauj Ruam

Vertical Plotter With Drivemall: Nrog rau qhov kev qhia no peb xav piav qhia yuav ua li cas txhawm rau txhim kho cov phiaj xwm ntsug koj pom ntawm no siv Drivemall programmable baord.Yog tias peb tsis muaj tus tsav tsheb peb tuaj yeem siv arduino, tab sis hauv qab qhov txuas rau kev txhim kho ntawm Drivemall .Cov lus qhia