botland BASE V1 Device Prototype Development Board
Zoo siab txais tos
Micromesh Base V1 developer board yog ib lub cuab tam niaj hnub rau engineers thiab programmers los tsim cov khoom siv hluav taws xob siab heev. Lub ntsiab feature ntawm lub rooj tsavxwm yog siv ESP32 nti, uas yog ib qho ntawm cov chips nrov tshaj plaws rau kev tsim tej yaam num siv wireless tes hauj lwm (Wi-Fi thiab Bluetooth).
Qhov no ua rau lub rooj tsavxwm zoo tagnrho rau kev tsim Internet ntawm Yam (loT) cov khoom siv thiab lwm yam kev siv uas xav tau kev sib txuas wireless. Siv Micromis yog yooj yim los ntawm ib tug built-in USB-UART converter, uas tso cai rau cov cuab yeej rau programmed siv ib tug USB-C cable. Lub qhov (socket) USB ua rau hauv lub cuab yeej kuj tso cai rau lub zog ntawm cov khoom siv thiab cov khoom txuas ntxiv txuas nrog lub platform.
Lub platform tau nruab nrog Quectel M65 modem, uas ua rau muaj kev sib txuas rau cov xov tooj ntawm tes thiab cov ntaub ntawv xa mus dhau GSM tes hauj lwm.
Lub modem muaj cov kav hlau txais xov sib txuas, yog li nws tuaj yeem txuas tau yooj yim rau lub kav hlau txais xov sab nraud kom zoo dua kev sib txuas.
Cov cuab yeej tseem muaj qhov chaw nyob LED. uas tuaj yeem tswj tau software thiab siv los ua kom pom cov khoom siv raws li txoj cai lossis tsim teeb pom kev zoo. Tsis tas li ntawd, nws tau nruab nrog MPU6050 nti, uas tuaj yeem ntsuas kev nrawm thiab kev sib hloov hauv peb axes. tso cai rau cov creation ntawm motion sensing designs.
Lub rooj tsavxwm kuj tau nruab nrog lub ntsuas kub LM75, uas tso cai rau kev ntsuas qhov ntsuas kub ntawm qhov ntsuas kub nrog qhov tseeb ntawm 0 degrees Celsius. Qhov no muaj txiaj ntsig zoo rau cov ntawv thov uas xav tau kev ntsuas kub, xws li cov tshuab cua txias thiab ntsuas cov cuab yeej.
Micromis Base V1 tseem muaj cov poj niam kub tus pin coj, uas tso cai rau kev sib txuas ntawm cov khoom siv sab nraud thiab Micromis overlays los nthuav cov peev txheej ntawm lub rooj tsavxwm nws tus kheej.
Lub platform kuj tau nruab nrog ntau qhov kev tiv thaiv, suav nrog overvoltage, luv-circuit, dhau-kub thiab dhau-tam sim no tiv thaiv los ntawm USB chaw nres nkoj, ua rau nws yog ib qho cuab yeej tsim nyog rau cov pib siv hluav taws xob.
Txaus siab rau thaum siv MICRDMIS BASE V1!
MICROMIS BASE V1: QUICK ST ART
Siv Micromis Base V1 platform yog qhov yooj yim heev! Txhawm rau pib nrog koj lub rooj tsavxwm, koj yuav tsum ua raws li ob peb kauj ruam hauv qab no:
- Unpack koj Micromis Base V1 board los ntawm lub ntim
- Ntxig ib qho active nano SIM daim npav rau hauv SIM daim npav qhov
- Txuas GSM kav hlau txais xov rau U.FL connector
- Txuas ib sab ntawm USB hom C cable rau Micromis Base V1 board thiab lwm qhov rau lub computer
- Nruab ib puag ncig ntawm koj lub computer uas koj program lub rooj tsavxwm
- Nruab cov tsav tsheb rau CP2102 nti los ntawm www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers
- Nruab cov ntaub ntawv pob rau ESP32 chips.
- Xaiv lub "ESP32 Dev Module" pawg thawj coj saib
- Upload koj thawj qhov kev pab cuam rau Micromis Base V1 board
Yog tias koj tau siv cov laug cam yav dhau los nrog ESP32 nti hauv koj qhov kev loj hlob ib puag ncig, tej zaum koj yuav tsis tas yuav ua ib qho kev teeb tsa ntxiv, thiab Micromis Base V1 board yuav ua haujlwm sai li sai tau thaum koj txuas rau koj lub computer.
Yog tias koj tseem tsis tau muaj qhov programming ib puag ncig uas koj yuav program Micromis Base V1 pawg thawj coj saib, lossis koj tsis paub yuav ua li cas rau nruab cov ntaub ntawv pob rau cov laug cam nrog ESP32 chips, tom qab ntawd nyob rau nplooj ntawv nram qab no peb yuav tham txog ob qhov nrov tshaj plaws. ib puag ncig thiab yuav ua li cas kom tau txais Micromis Base V1 board ua haujlwm nrog lawv.
MICROMIS BASE V1: Siv nrog ARDUINO IDE
Arduino IDE yog qhov chaw nrov tshaj plaws siv los ua haujlwm nyiam. Vim muaj peev xwm import cov laug cam ntxiv thiab cov zej zog loj heev ntawm cov neeg siv ntawm no IDE, ntau tus tswv ntawm cov laug cam nrog ESP32 nti tau txiav txim siab siv qhov chaw no.
Yog tias koj tsis muaj Arduino IDE ib puag ncig teeb tsa, koj yuav tsum rub tawm nws los ntawm qhov txuas hauv qab no thiab nruab rau hauv koj lub computer, nyiam dua rub tawm version 2.0 lossis tom qab ntawd.
https://www.arduino.cc/en/software
Tom qab txhim kho Arduino IDE ib puag ncig, koj yuav tsum nyem:
File -> Nyiam thiab nyob rau hauv "Additional boards manager URLs" teb nkag mus rau qhov txuas hauv qab no, qhov no yog qhov txuas mus rau cov pob khoom los ntawm cov chaw tsim khoom ntawm ESP32 nti: https://raw.githubusercontent.com/espressif/arduino-esp32/ghpages/package_esp32_index.json
Tom qab pasting lub board manager txuas, koj yuav tsum tau nyem rau ntawm lub "OK11 khawm kom tawm ntawm ib puag ncig nyiam. Tam sim no koj yuav tsum nyem rau hauv lem:
Cov cuab yeej -> Board -> Boards Manager thiab nyob rau hauv lub board manager ntaus "esp3211 mus rau hauv lub search engine, tom qab ib pliag koj yuav tsum pom lub pob "esp32 los ntawm Espressif Systems11 , nyob rau hauv qab ntawm lub thawv koj yuav tsum nias 11lnstall 11 , qhov tseeb version ntawm ESP32 nti-nruab board tej pob khoom yuav cia li nruab. Yog tias koj tsis pom cov pobzeb pobzeb tom qab ntxiv cov pob txuas mus rau 11Additional boards manager URLs11 teb thiab ntaus cov kab lus "esp3211 nyob rau hauv lub pobzeb tus thawj tswj xyuas lub cav, nws yog ib lub tswv yim zoo kom rov pib dua tag nrho ib puag ncig.
MICROMIS BASE V1: Siv Nrog VISUAL STUDIO CODE
Qhov thib ob nrov tshaj plaws ib puag ncig rau programming boards nruab nrog ESP32 chips yog Visual Studio Code nrog lub Platform IO IDE txuas ntxiv. Lub Platform IQ txuas ntxiv tso cai rau peb ua haujlwm tau yooj yim nrog ntau tus thawj tswj hwm kev loj hlob thiab cov chips standalone, uas peb tuaj yeem ua haujlwm hauv ntau lub moj khaum. Txhawm rau siv lub peev xwm ntawm qhov chaw no, koj yuav tsum xub rub tawm thiab nruab Visual Studio Code los ntawm qhov txuas: https://code.visualstudio.com/
Tsis tas li ntawd, koj yuav tsum rub tawm thiab nruab Python 3.8.5 lossis tom qab los ntawm qhov txuas: https://www.python.org/downloads/
Thaum koj tau teeb tsa Visual Studio Code ib puag ncig thiab Python, nyem rau ntawm View-> Extension hauv Visual Studio Code, qhov txuas ntxiv browser qhov rai yuav tsum qhib rau sab laug. Hauv qhov browser txuas ntxiv koj yuav tsum ntaus 11PlatformlO IDE11, thaum koj nyem rau ntawm cov khoom nrog lub npe "Platform IO IDE" lub qhov rai yuav qhib nrog cov ntsiab lus ntawm qhov txuas ntxiv, tam sim no koj tsuas yog yuav tsum nyem 11 lnstall11 thiab qhov txuas ntxiv yuav tshwm sim rub tawm thiab nruab nws tus kheej.
Tom qab txhim kho qhov txuas ntxiv. peb yuav tsum tau nyem rau ntawm lub platform IO icon nyob rau ntawm lub cuab yeej bar ntawm sab laug, thiab ces nias rau ntawm lub tsev icon nyob rau hauv qab bar. uas yuav coj mus rau lub extension lub home page. Thaum koj nyob hauv nplooj ntawv txuas ntxiv, koj yuav tsum nyem rau ntawm "Boards" thiab ntaus 11ESP32 Dev Module" hauv lub thawv tshawb nrhiav pobzeb. Lub rooj tsavxwm uas koj xav tau yuav tshwm sim hauv qab lub thawv tshawb nrhiav. Thaum koj tsim ib qhov project. Txhua yam koj yuav tsum tau ua yog luam daim ID ntawm lub rooj tsavxwm tshwj xeeb thiab muab tso rau hauv qhov project, lossis thaum tsim qhov project, xaiv lub rooj tsavxwm koj yuav program li "ESP32 Dev Module".
MICROMIS BASE V1: PIN FUNCTION
ADC
Cov tswv yim rau ADC, ADC muaj 12-blt daws teeb meem. Nrog Nws. peb tuaj yeem nyeem cov nqi analog ntawm 0 txog 4095 Hauv voltage yog li ntawm 0V txog 3,3V. qhov twg o yog 0V thiab 4095 yog 3.3V. Nco ntsoov tsis txhob txuas voltage siab dua 33V rau cov pins analog
12 XNUMXc
ESP32 muaj ob 12C channels thiab txhua tus pin tuaj yeem teeb tsa ua SDA lossis SCL kom yooj yim siv. cov khoom ntawm lub rooj tsavxwm thiab cov coj ntawm cov pins kub tau raug xa mus rau pins 21 (SDA) thiab 22 (SCLJ.
MAIN UART
Lub rooj tsavxwm tus pins sau npe MAIN UART tso cai rau kev sib txuas lus ntawm UAAT raws tu qauv, txuas nrog ESP32 lub ntsiab UART raws tu qauv. thiab tuaj yeem siv los tsim cov nti hla dhau CP2102 nti ua rau hauv lub rooj tsavxwm. Peb tsis pom zoo kom siv cov connectors no rau lub hom phiaj uas tsis yog UART kev sib txuas lus.
GND
Board pins rau hauv av muaj peev xwm tso zis.
RTC WAKEUP
Lub ESP32 nti txhawb kev sawv ntawm qhov tsis txaus sab nraud los ntawm kev txuag hluav taws xob RTC nti siv tus pins !labeled ATC WAKEUP.
SPI
Txhawm rau sib txuas lus nrog cov khoom nyob mus ib txhis peb tuaj yeem siv SPI raws tu qauv tsim rau hauv ESP32, ntawm lub rooj tsavxwm pins 23 (MOSI) 19 (MISOI 18 (CLK) S (CS)) tau raug xa mus rau SPI Interface.
3v 3
3.3V fais fab tso zis, uas tuaj yeem siv rau lub zog embalm Cheebtsam. tab sis tam sim no muaj peev xwm ntawm no connector rau 350mA. Yog tias koj xav tau lub zog rau qhov xav tau ntau dua, siv lub zog hluav taws xob sab nraud.
BOOT
Lub BOOT tus pin yog lub luag haujlwm rau kev tswj hwm kev ua haujlwm ntawm ESP32, ua tsaug rau Nws lub nti tuaj yeem nkag mus rau hom programming. Tus pin ls txuas nrog BOOT khawm ntawm lub rooj tsavxwm.
KUB
Lub ESP32 muaj built-in 10 sab hauv capacitive touch sensors. Lawv tso cai rau kev hnov qhov hloov pauv ntawm qhov chaw uas muaj hluav taws xob. Nrog qhov no. peb tuaj yeem tsim cov ntawv kov yooj yim uas tuaj yeem siv los tsim cov nti.
INPU nkaus xwb
Cov pins ntawm lub rooj tsavxwm cim INPUT nkaus xwb tsis tso cai rau peb tswj cov khoom siv sab nraud, peb tuaj yeem siv lawv los nyeem cov cim analog lossis digital.
5v
5V fais fab txuas, uas tuaj yeem siv rau lub zog sab nraud. tab sis tam sim no muaj peev xwm ntawm no connector yog 2S0mA. Yog tias koj xav tau lub zog rau qhov xav tau ntau dua, siv lub zog hluav taws xob sab nraud. Lub connector tseem tuaj yeem siv los ua lub zog rau lub rooj tsavxwm yog tias lub cuab yeej tsis siv los ntawm USB chaw nres nkoj.
EN
Tus EN tus pin yog lub luag haujlwm rau rov pib dua ESP32 nti. Tus pin txuas nrog EN khawm ntawm lub rooj tsavxwm.
MICROMIS BASE V1: Ntshuam NTAU COV KHOOM NTAWV RAU BOARD
- ESP32-WROO~M-32D microcontroller
- Quintal M65 GSM modem
- Nano Sim daim npav qhov
- USB Hom-C connector
- MPU6050 accelerometer thiab gyroscope
- LM75 kub sensor
- WS2812C chaw nyob LED
- CP2102 programming nti
- Integrated GSM kav hlau txais xov array
MICROMIS BASE V1: BLOCK DIAGRAM ntawm cov ntsiab lus tseem ceeb
MICAOMIS BASE V1: Siv T-hauv cov khoom sib xyaw - GSM MODEM
Lub Micromis Base V1 txoj kev loj hlob board muaj ib tug built-in Quintal M65 modem rau GSM network kev sib txuas lus, uas tso cai rau lub cuab yeej txuas rau Is Taws Nem tsis muaj WiFi thiab xa SMS.
Rau kev ua haujlwm zoo ntawm m1odem peb xav tau ib daim npav nano SIM loj thiab lub kav hlau txais xov nrog U.FL. connector haum rau kev khiav hauj lwm nyob rau hauv lub zaus band ntawm 800MHz: rau 1900 MHz. Nyob ntawm peb cov kev xav tau, peb tuaj yeem siv SIM daim npav uas tsuas yog tso cai rau kev sib pauv cov ntaub ntawv xov tooj ntawm tes, tsis tas yuav muaj SIM daim npav nrog SMS a1nd xov tooj txhawb nqa.
UART raws tu qauv uas lub modem sib txuas lus nrog ESP32 txuas mus tas li rau pins 16 (RX2 ESP32) thiab 17 (TX2 ESP32), uas yog qhov chaw nres nkoj lub neej ntawd rau UAl ~ T2 raws tu qauv ntawm ESP32 nti.
Rau kev tswj tau yooj yim ntawm ~ modem txoj haujlwm. peb tuaj yeem tswj PWR_KEY thiab MAIN_DTR tus pins. Lub modem's PWR_KEY tus pin tso cai rau lub modem qhib thiab tawm, thaum lub xeev siab tau thov rau ESP32 tus pin 27 rau ib thib ob lub modem yuav hloov nws lub xeev los ntawm kev tawm mus rau lossis tawm mus rau. Thaum lub xeev siab tau muab rau 20 ms ntawm tus pin 26 ntawm ESP32, peb qhib lub MAIN_DTR tus pin, vvhich tso cai rau lub modem sawv thaum lub zog txuag tau qhib.
Lub rooj tsavxwm built-in NETLIGHT LED qhia txog kev ua haujlwm ntawm modem, yog tias nws ntsais nws txhais tau tias modem tsis yog huab tais, yog tias tsis yog nws txhais tau tias nws tawm.
MICAOMIS BASE V1: Siv T-hauv cov khoom sib xyaw - NIPU6O5O IMU
Ntawm Micromis Base V1 pawg thawj coj saib xyuas kev txhim kho yog MPU6050 nti, uas tuaj yeem nyeem nrawm thiab spatial orientation - ua ke ntawm gyroscope thiab accelerometer.
MPU6050 sib txuas lus nrog ESP32 siv I2C raws tu qauv, uas kuj tau coj tawm ntawm Micromis ntaus pins - pins 22 (SCL) thiab 21 (SDA). Txhawm rau sib txuas lus nrog IMU, peb yuav xav tau nws qhov chaw nyob - nyob rau hauv rooj plaub ntawm cov nti embedded hauv Micromis Base V1 board. qhov chaw nyob nti tsis tuaj yeem hloov pauv - nws tau kho ntawm 0x68.
Lub nti tso cai rau kev ua haujlwm hauv kev ntsuas sib txawv:
- accelerometer - ± 2g, ± 4g. ± 8g. ± 16g
- gyroscope - ± 250 ° / s, ± 500 ° / s, ± 1000 ° / s, ± 2000 ° / s
MICAOMIS BASE V1: SIV BUIL T-IN COMPONENTS - LIM75 TEMP SENSOR
Ntxiv rau MPU6050 nti, LM75 qhov ntsuas kub ntsuas tau teeb tsa rau ntawm Microtips Base V1 pawg thawj coj loj hlob, uas tso cai rau kev nyeem qhov ntsuas kub ntawm -Sis ° C txog + 125 ° C.
Lub LM75 sensor sib txuas lus nrog ESP32 siv I2C raws tu qauv, uas kuj tau coj tawm ntawm tus pins ntawm Micromis ntaus ntawv - pins 22 (SCL) thiab 21 (SDA). Yuav kom sib txuas lus nrog LM75, peb yuav xav tau nws qhov chaw nyob - nyob rau hauv cov ntaub ntawv ntawm cov nti embedded nyob rau hauv lub Micromis Base V1 board, qhov chaw nyob ntawm lub nti yuav tsis tau: hloov - nws yog tsau thiab yog 0x48.
Lub LM75 kub sensor tso cai rau peb tswj nws lub xeev kom lub sensor tuaj yeem muab tua txhua lub sijhawm. Ib qho tseem ceeb heev advantage yog nws tus qauv qis tam sim no noj thaum lub sijhawm ua haujlwm (2S0μA) thiab thaum nws raug kaw (4μA).
MICAOMIS BASE V1: SIV BUIL T-IN COMPONENTS · WS2812C LED
Lub Micromis Base V1 txoj kev loj hlob pawg thawj coj kuj tau nruab nrog qhov chaw nyob RGB LED kom tawm lub teeb pom kev. Lub mounted diode suav nrog WS2812C nti, uas tswj cov diode thiab tso cai rau tus neeg siv xaiv cov xim thiab xim saturation rau lub diode lub teeb. Vim yog siv RGB thev naus laus zis, muaj ntau dua 16 lab kev sib txuas ntawm cov neeg siv khoom pov tseg kom ua tiav cov teeb pom kev zoo txaus siab.
LED chaw nyob tau txuas mus tas li mus rau 32 tus pin ntawm ESP32 nti thiab tuaj yeem tswj tau siv cov tsev qiv ntawv feem ntau lub luag haujlwm los tswj cov chaw nyob LEDs.
MICROMIS BASE V1: BOARD DIMENSIONS
Micromis Base V1 platform, vim nws qhov loj me. tuaj yeem siv rau hauv ntau yam kev cai ua haujlwm uas yuav tsum tau muaj lub platform tswj kom me me thaum tswj kev siv hluav taws xob tsawg, kev ua haujlwm siab thiab kev sib txuas lus sib txuas ntawm WiFi. Bluetooth los yog GSM.
MICROMIS BASE V1: SAMPLE PROGRAMS · MODEM NTAWM TIDN
Siv Micromis Base V1 board yog ib qho yooj yim heev vim tias lub rooj tsavxwm yog ib feem sib xws nrog lwm cov kev daws teeb meem hauv khw, yog li peb tuaj yeem ntseeg siab siv cov kev pab cuam rau ESP32 nws tus kheej, Quintal M65 modem, addressable diodes, IMU MPU6050, thiab LM75 kub. sensor. Txawm li cas los xij, pab pawg Ntaus Prototype tau tsim cov software tshwj xeeb rau txhua qhov txuas ntxiv, yog li koj tuaj yeem yooj yim tshawb xyuas seb cov khoom ntawm koj lub PCB ua haujlwm li cas siv Arduino IDE ib puag ncig.
Thawj qhov kev pab cuam yog "Modem kev nthuav qhia," uas yog ib qho yooj yim kev pab cuam uas tso cai rau koj mus ntsuam xyuas lub lag luam ntawm lub built-in rr1odem. Tom qab uploading qhov kev pab cuam rau lub cuab yeej thiab khiav Serial Monitor, peb tuaj yeem ntaus cov lus txib uas yuav tswj hwm lub modem thiab tso cai, rau example, xa SMS, tshawb xyuas tag nrho cov network muaj, teeb tsa lub modem lossis con zes rau lub network. Nco ntsoov ua kom tiav cov kev hloov pauv thaum pib ntawm qhov kev pab cuam ua ntej upload nws, tsis muaj lawv koj yuav tsis tuaj yeem txuas mus rau • lub network thiab xa SMS lus kom raug.
Ib qho tseem ceeb heev ntawm qhov kev pab cuam no yog lub peev xwm xa AT commands mus rau modem.
Yog tias koj xa qee cov lus txib uas tsis suav nrog hauv cov npe ntawm cov lus txhawb nqa ces qhov kev pab cuam yuav cia li xa mus rau modem, qhov no tuaj yeem pab txhawb kev ua haujlwm ntawm cov neeg siv siab dua me ntsis uas yuav xav tsim cov phiaj xwm xa cov lus txib kom ntxiv. tom qab ntawd rau lawv tus kheej cov kev pab cuam. Cov npe ntawm AT cov lus txib nrog lawv cov lus piav qhia yog suav nrog hauv pawg thawj coj saib cov peev txheej thiab tau muab tso ua ke los ntawm cov chaw tsim khoom modem thiab muab faib ua cov ntaub ntawv rau txhua ntu ntawm modem txoj haujlwm.
MICROMIS BASE V1: SAMPLE PROGRAMS · LEEI PRESENT A TIDN
Qhov thib ob qhov kev pab cuam yog "LED kev nthuav qhia", nws yog ib tug luv luv tsab ntawv uas tso cai rau koj mus xyuas lub lag luam ntawm lub LED ua rau hauv lub Micromesh Base V1 board. Tom qab uploading qhov kev pab cuam thiab khiav Serial Monitor, peb muaj kev xaiv xa ob peb commands mus rau lub LED, cov lus txib muaj peev xwm tua tau tag nrho cov LED, teem tej xim los ntawm lub RGB palette los yog teem ib lub predetermined xim xws li liab, ntsuab. xiav. liab, daj los yog liab doog.
Raws li cov lus txib hauv qhov program code. novice cov neeg siv tau yooj yim tsim lawv tus kheej cov ntawv los txhawb kev siv cov chaw nyob LED.
MICROMIS BASE V1: SAMPLE PROGRAMS – IMUI PRESENTATION
Qhov thib peb qhov kev pab cuam yog "IMU Kev nthuav qhia", nws yog ib qho yooj yim heev thiab luv luv tsab ntawv uas tso cai rau peb los xyuas seb IMU sensor embedded nyob rau hauv Microtips Base v1 board nyeem cov ntaub ntawv. Tom qab uploading qhov kev pab cuam thiab khiav Serial Plotter. peb muaj peev xwm view cov ntaub ntawv nyeem los ntawm IMU sensor hauv lub sijhawm.
Thaum koj khiav Serial Plotter koj tuaj yeem yooj yim view cov ntaub ntawv uas lub rooj tsavxwm xa, txhua qhov poke lossis txav ntawm lub looard yuav raug kaw thiab qhia hauv cov duab. Nyob ntawm koj lub siab xav tshawb xyuas cov kev txwv tshwj xeeb, koj tuaj yeem tshem tawm cov kev ntsuas tus kheej kom tau txais cov ntaub ntawv hais txog ib qho kev qhia tshwj xeeb.
MICRDMIS BASE V1: Npaj TD SIV PROJECTS
Txhawm rau pab txhawb kev siv cov vuas Micromis Base V1, peb tau tsim lub hauv paus kev paub uas yuav tso cai rau koj nkag mus rau cov haujlwm txhawb nqa. Peb niaj hnub ua haujlwm ntawm cov ntsiab lus muaj nyob rau ntawm lub website kom koj tuaj yeem tshawb xyuas sample kev siv ntawm peb cov khoom.
Tsis txhob tos thiab xyuas nws tam sim no: https://deviceprototype.com/hobby/knowledge-center/
Cov ntaub ntawv / Cov ntaub ntawv
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botland BASE V1 Device Prototype Development Board [ua pdf] Cov neeg siv phau ntawv qhia BASE V1 Device Prototype Development Board, BASE V1, Device Prototype Development Board, Prototype Development Board, Development Board, Board |
