Walfront ESP32 WiFi le Bluetooth Internet of Things Module
Tlhahisoleseding ya Sehlahiswa
- Mojule: ESP32
- Likaroloana: WiFi-BT-BLE MCU module
Pin Litlhaloso
Tlhaloso ea Pin
| Lebitso | Che. | Mofuta | Mosebetsi |
|---|
Lithapa tsa likhoele
| Pin | Ea kamehla | Mosebetsi |
|---|
Tlhaloso ea Ts'ebetso
- CPU le Memori ea ka hare
Mojule oa ESP32 o na le processor ea li-dual-core le memori ea kahare bakeng sa ts'ebetso ea sistimi. - Flash ea kantle le SRAM
ESP32 e ts'ehetsa Flash ea kantle ea QSPI le SRAM, e fana ka bokhoni bo eketsehileng ba ho boloka le ho notlela. - Li-oscillator tsa Crystal
Mojule o sebelisa oscillator ea kristale ea 40-MHz bakeng sa nako le ho hokahanya. - RTC le Tsamaiso ea Matla a Tlase
Litheknoloji tse tsoetseng pele tsa taolo ea matla li thusa ESP32 ho ntlafatsa tšebeliso ea matla ho latela ts'ebeliso.
LBH
- P: Lithapa tsa kamehla tsa ESP32 ke life?
A: Lithapa tsa kamehla tsa ESP32 ke MTDI, GPIO0, GPIO2, MTDO, le GPIO5. - P: Phallo ea matla ke engtagSetšoantšo sa ESP32?
A: Phepelo ea motlakase voltage fapaneng bakeng sa ESP32 ke 3.0V ho 3.6V.
Mabapi le Tokomane Ena
Tokomane ena e fana ka lintlha tsa mojule oa ESP32.
Fetileview
ESP32 ke mojule oa WiFi-BT-BLE MCU o matla, o tloaelehileng o lebileng mefuta e mengata e fapaneng ea lits'ebetso, ho tloha ho marang-rang a sensor ea matla a tlase ho isa mesebetsing e boima haholo, joalo ka khouto ea lentsoe, ho phallela 'mino le ho hlophisa MP3.
Pin Litlhaloso
Sebopeho sa Pin
Tlhaloso ea Pin
ESP32 e na le lintlha tse 38. Sheba litlhaloso tsa phini ho Lethathamo la 1.
Lethathamo la 1: Pin Litlhaloso
| Lebitso | Che. | Mofuta | Mosebetsi |
| GND | 1 | P | Fatše |
| 3V3 | 2 | P | Phepelo ea motlakase |
| EN | 3 | I | Lets'oao le lumellang mojule. Phahameng e sebetsang. |
| SENSOR_VP | 4 | I | GPIO36, ADC1_CH0, RTC_GPIO0 |
| SENSOR_VN | 5 | I | GPIO39, ADC1_CH3, RTC_GPIO3 |
| IO34 | 6 | I | GPIO34, ADC1_CH6, RTC_GPIO4 |
| IO35 | 7 | I | GPIO35, ADC1_CH7, RTC_GPIO5 |
| IO32 | 8 | I/O | GPIO32, XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4,
TOUCH9, RTC_GPIO9 |
| IO33 | 9 | I/O | GPIO33, XTAL_32K_N (32.768 kHz tlhahiso ea kristale ea oscillator),
ADC1_CH5, TOUCH8, RTC_GPIO8 |
| IO25 | 10 | I/O | GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0 |
| IO26 | 11 | I/O | GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1 |
| IO27 | 12 | I/O | GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV |
| IO14 | 13 | I/O | GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MMS, HSPICLK,
HS2_CLK, SD_CLK, EMAC_TXD2 |
| IO12 | 14 | I/O | GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ,
HS2_DATA2, SD_DATA2, EMAC_TXD3 |
| GND | 15 | P | Fatše |
| IO13 | 16 | I/O | GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID,
HS2_DATA3, SD_DATA3, EMAC_RX_ER |
| NC | 17 | – | – |
| NC | 18 | – | – |
| NC | 19 | – | – |
| NC | 20 | – | – |
| NC | 21 | – | – |
| NC | 22 | – | – |
| IO15 | 23 | I/O | GPIO15, ADC2_CH3, TOUCH3, MTDO, HSPICS0, RTC_GPIO13,
HS2_CMD, SD_CMD, EMAC_RXD3 |
| IO2 | 24 | I/O | GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0,
SD_DATA0 |
| IO0 | 25 | I/O | GPIO0, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1,
EMAC_TX_CLK |
| IO4 | 26 | I/O | GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1,
SD_DATA1, EMAC_TX_ER |
| NC1 | 27 | – | – |
| NC2 | 28 | – | – |
| IO5 | 29 | I/O | GPIO5, VSPICS0, HS1_DATA6, EMAC_RX_CLK |
| IO18 | 30 | I/O | GPIO18, VSPICLK, HS1_DATA7 |
| IO19 | 31 | I/O | GPIO19, VSPIQ, U0CTS, EMAC_TXD0 |
| NC | 32 | – | – |
| IO21 | 33 | I/O | GPIO21, VSPIHD, EMAC_TX_EN |
| EA-RXD0 | 34 | I/O | GPIO3, U0RXD, CLK_OUT2 |
| EA-0 | 35 | I/O | GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2 |
| IO22 | 36 | I/O | GPIO22, VSPIWP, U0RTS, EMAC_TXD1 |
| IO23 | 37 | I/O | GPIO23, VSPID, HS1_STROBE |
| GND | 38 | P | Fatše |
Tlhokomeliso:
GPIO6 ho GPIO11 li hokahane le khanya ea SPI e kenyellelitsoeng mojuleng 'me ha e kopane.
Lithapa tsa likhoele
ESP32 e na le likhoele tse hlano tsa likhoele:
- MTDI
- GPIO0
- GPIO2
- MTDO
- GPIO5
Software e ka bala boleng ba likotoana tsena tse hlano ho tsoa ho "GPIO_STRAPPING". Nakong ea tokollo ea ho seta botjha ha chip (matla a ho seta botjha, ho seta botjha ba RTC le ho seta botjha ha brownout), likhoele tsa likhoele s.ample voltage boemong bo kang ba "0" kapa "1", 'me u tšoare likotoana tsena ho fihlela chip e theohile kapa e koetsoe. Li-strapping bits li lokisa mokhoa oa ho qalisa sesebelisoa, matla a ho sebetsatage ea VDD_SDIO le litlhophiso tse ling tsa pele tsa sistimi. Pini e 'ngoe le e' ngoe ea likhoele e hokahane le ho hula-holimo / ho hula ka hare nakong ea ho seta chip. Ka lebaka leo, haeba thapo e tlamang e sa hokahanngoa kapa potoloho ea kantle e hokahaneng e na le tšitiso e phahameng, ho hula / ho hulela tlase ho fokolang ho tla etsa qeto ea boemo ba kamehla ba likhoele. Ho fetola boleng ba marang-rang, basebelisi ba ka sebelisa khanyetso ea kantle ea ho hula / ho hula, kapa ba sebelisa li-GPIO tsa MCU tse amohelang ho laola molumo.tagboemo ba lithapo tsena ha u sebelisa ESP32. Kamora ho lokolloa bocha, likhoele tsa likhoele li sebetsa joalo ka lithakhisa tse tloaelehileng. Sheba Lethathamo la 2 bakeng sa tlhophiso e qaqileng ea mokhoa oa boot ka ho tlama likhoele.
Lethathamo la 2: Lithakhisa tsa ho Beha
| MoqtagE of Internal LDO (VDD_SDIO) | |||
| Pin | Ea kamehla | 3.3 V | 1.8 V |
| MTDI | E hulela fatshe | 0 | 1 |
| Mokhoa oa ho qala | |||||
| Pin | Ea kamehla | SPI Boot | Khoasolla Boot | ||
| GPIO0 | Ho hula-holimo | 1 | 0 | ||
| GPIO2 | E hulela fatshe | Seke oa tsotella | 0 | ||
| Ho nolofaletsa / Ho tima Log ea ho Lokisetsa Hatisa ka U0TXD Nakong ea Booting | |||||
| Pin | Ea kamehla | U0TXD E sebetsa | U0TXD Khutsitseng | ||
| MTDO | Ho hula-holimo | 1 | 0 | ||
| Nako ea Lekhoba la SDIO | |||||
|
Pin |
Ea kamehla |
Motheong oa ho qetela Sampling
Sehlahisoa se oelang |
Motheong oa ho qetela Sampling
Sehlahisoa se holimo-limo |
Ea holimo-limo Sampling
Sehlahisoa se oelang |
Ea holimo-limo Sampling
Sehlahisoa se holimo-limo |
| MTDO | Ho hula-holimo | 0 | 0 | 1 | 1 |
| GPIO5 | Ho hula-holimo | 0 | 1 | 0 | 1 |
Hlokomela:
- Firmware e ka hlophisa li-bits tsa ngoliso ho fetola litlhophiso tsa "Voltage ea Internal LDO (VDD_SDIO)" le "Timing of SDIO Slave" ka mor'a ho qala.
- The internal pull-up resistor (R9) bakeng sa MTDI ha e na batho ka har'a module, kaha flash le SRAM ho ESP32 li tšehetsa feela matla a matla.tage ea 3.3 V (e hlahisoang ke VDD_SDIO)
Tlhaloso ea Ts'ebetso
Khaolo ena e hlalosa li-module le mesebetsi e kopantsoeng ho ESP32.
CPU le Memori ea ka hare
ESP32 e na le li-microprocessor tse peli tsa Xtensa® 32-bit LX6 tse matla a tlase. Memori ea ka hare e kenyelletsa:
- 448 KB ea ROM bakeng sa ho qala le mesebetsi ea mantlha.
- 520 KB ea on-chip SRAM bakeng sa data le litaelo.
- 8 KB ea SRAM ho RTC, e bitsoang RTC FAST Memory mme e ka sebelisoa bakeng sa polokelo ea data; e fihlella ke CPU e kholo nakong ea RTC Boot ho tloha ka mokhoa o tebileng oa boroko.
- 8 KB ea SRAM ho RTC, e bitsoang RTC SLOW Memory mme e ka fihlelleha ke co-processor nakong ea Mokhoa oa Boroko bo tebileng.
- 1 Kbit ea eFuse: Li-bits tse 256 li sebelisoa bakeng sa sistimi (aterese ea MAC le tlhophiso ea chip) 'me li-bits tse setseng tse 768 li boloketsoe lits'ebetso tsa bareki, ho kenyelletsa le flash-encryption le chip-ID.
Flash ea kantle le SRAM
ESP32 e ts'ehetsa likhahla tse ngata tsa kantle tsa QSPI le li-chips tsa SRAM. ESP32 e boetse e ts'ehetsa encryption/decryption ea hardware e thehiloeng ho AES ho sireletsa mananeo le datha tsa bahlahisi ho Flash.
ESP32 e ka fihlella khanya ea QSPI ea kantle le SRAM ka li-cache tse lebelo le holimo.
- Flash ea kantle e ka etsoa 'mapa sebakeng sa memori ea litaelo tsa CPU le sebaka sa memori sa ho bala feela ka nako e le ngoe.
- Ha khanya ea kantle e entsoe 'mapa sebakeng sa memori ea taeo ea CPU, ho fihla ho 11 MB + 248 KB e ka etsoa 'mapa ka nako. Hlokomela hore haeba tse fetang 3 MB + 248 KB li entsoe ka 'mapa, ts'ebetso ea cache e tla fokotseha ka lebaka la lipalo tse inahaneloang ke CPU.
- Ha flash ea kantle e entsoe 'mapa sebakeng sa memori ea data e baloang feela, ho ka etsoa 'mapa oa ho fihla ho 4 MB ka nako. Ho baloa ha 8-bit, 16-bit le 32-bit hoa tšehetsoa.
- SRAM ea kantle e ka etsoa 'mapa sebakeng sa memori ea data ea CPU. Ho fihla ho 4 MB ho ka etsoa 'mapa ka nako. 8-bit, 16-bit le 32-bit bala le ho ngola lia tšehetsoa.
ESP32 e kopanya 8 MB SPI flash le 8 MB PSRAM bakeng sa sebaka se eketsehileng sa memori.
Li-oscillator tsa Crystal
Mojule o sebelisa oscillator ea kristale ea 40-MHz.
RTC le Tsamaiso ea Matla a Tlase
Ka tšebeliso ea mahlale a tsoetseng pele a taolo ea matla, ESP32 e ka fetoha lipakeng tsa mefuta e fapaneng ea matla.
Litšobotsi tsa Motlakase
Feletseng Maximum Ratings
Khatello ea maikutlo e fetang tekanyo e felletseng e thathamisitsoeng tafoleng e ka tlase e ka baka tšenyo e sa feleng sesebelisoa. Tsena ke litekanyetso tsa khatello ea kelello feela 'me ha li bue ka ts'ebetso ea ts'ebetso ea sesebelisoa se lokelang ho latela maemo a khothalletsoang a ts'ebetso.
Lethathamo la 3: Litekanyetso tse Felletseng ka ho Fetisisa
- Mojule o ile oa sebetsa hantle ka mor'a tlhahlobo ea lihora tse 24 mochesong oa mocheso oa 25 ° C, le IOs libakeng tse tharo (VDD3P3_RTC, VDD3P3_CPU, VDD_SDIO) e hlahisa boemo bo phahameng ba logic ho ea fatše. Ka kopo hlokomela hore lithakhisa tse nang le flash le/kapa PSRAM sebakeng sa motlakase sa VDD_SDIO ha lia kenyelletsoa tekong.
Maemo a Tšebetso a khothalelitsoeng
Tafole ea 4: Maemo a Khothaletso a Ts'ebetso
| Letšoao | Paramethara | Min | E tloaelehileng | Max | Yuniti |
| EA-33-VDD | Phepelo ea motlakase voltage | 3.0 | 3.3 | 3.6 | V |
| I V DD | Hajoale e fanoa ke phepelo ea motlakase e kantle | 0.5 | – | – | A |
| T | Mocheso oa ho sebetsa | –40 | – | 65 | °C |
Litšobotsi tsa DC (3.3 V, 25 °C)
Lethathamo la 5: Litšobotsi tsa DC (3.3 V, 25 °C)
| Letšoao | Paramethara | Min | Tlanya | Max | Yuniti | |
| C
IN |
Bokhoni ba phini | – | 2 | – | pF | |
| V
IH |
Phaello ea boemo bo holimotage | 0.75×VDD1 | – | VDD1 + 0.3 | V | |
| V
IL |
Phaello ea boemo bo tlasetage | –0.3 | – | 0.25×VDD1 | V | |
| I
IH |
Boemo bo phahameng ba hona joale | – | – | 50 | nA | |
| I
IL |
Kenyelletso ea boemo bo tlase | – | – | 50 | nA | |
| V
OH |
Boemo bo phahameng ba tlhahiso ea molumotage | 0.8×VDD1 | – | – | V | |
| V
OL |
Phaello ea boemo bo tlase bo phahamengtage | – | – | 0.1×VDD1 | V | |
|
I OH |
Mohloli oa boemo bo holimo hona joale (VDD1 = 3.3 V, VOH >= 2.64 V,
tlhahiso matla a khanna beha ho boholo) |
Sebaka sa matla sa VDD3P3_CPU 1; 2 | – | 40 | – | mA |
| Sebaka sa matla sa VDD3P3_RTC 1; 2 | – | 40 | – | mA | ||
| VDD_SDIO domain name 1; 3 |
– |
20 |
– |
mA |
||
| I
OL |
Sekhahla se tlase sa sink
(VDD1 = 3.3 V, VOL = 0.495 V, matla a drive a behiloe ho fihla holimo) |
– |
28 |
– |
mA |
| R
PU |
Ho hanana le mohanyetsi o ka hare oa ho hula | – | 45 | – | kΩ |
| R
PD |
Ho hanana le mohanyetsi o ka hare oa ho hula | – | 45 | – | kΩ |
| V
IL_nRST |
Phaello ea boemo bo tlasetage ea CHIP_PU ho tima chip | – | – | 0.6 | V |
Lintlha:
- VDD ke karolo ea I/Otage bakeng sa sebaka se itseng sa matla sa li-pin.
- Bakeng sa sebaka sa matla sa VDD3P3_CPU le VDD3P3_RTC, per-pin ea hona joale e fumanoang sebakeng se le seng e fokotsehile butle-butle ho tloha ho pota 40 mA ho ea ho 29 mA, VOH> = 2.64 V, ha palo ea lisebelisoa tsa morao-rao e ntse e eketseha.
- Lithakhisa tse kentsoeng ke flash le/kapa PSRAM sebakeng sa matla sa VDD_SDIO ha lia kenyelletsoa tekong.
Radio ea Wi-Fi
Lethathamo la 6: Litšobotsi tsa seea-le-moea sa Wi-Fi
| Paramethara | Boemo | Min | E tloaelehileng | Max | Yuniti |
| Boemo ba maqhubu a ho sebetsa Hlokomela1 | – | 2412 | – | 2462 | MHz |
|
TX matla Hlokomela2 |
802.11b:26.62dBm;802.11g:25.91dBm 802.11n20:25.89dBm;802.11n40:26.51dBm |
dBm |
|||
| Kutloelo-bohloko | 11b, 1 Mbps | – | –98 | – | dBm |
| 11b, 11 Mbps | – | –89 | – | dBm | |
| 11g, 6 Mbps | – | –92 | – | dBm | |
| 11g, 54 Mbps | – | –74 | – | dBm | |
| 11n, HT20, MCS0 | – | –91 | – | dBm | |
| 11n, HT20, MCS7 | – | –71 | – | dBm | |
| 11n, HT40, MCS0 | – | –89 | – | dBm | |
| 11n, HT40, MCS7 | – | –69 | – | dBm | |
| Ho hana seteishene se haufi | 11g, 6 Mbps | – | 31 | – | dB |
| 11g, 54 Mbps | – | 14 | – | dB | |
| 11n, HT20, MCS0 | – | 31 | – | dB | |
| 11n, HT20, MCS7 | – | 13 | – | dB | |
- Sesebelisoa se lokela ho sebetsa ka lebelo la maqhubu a fanoeng ke balaoli ba taolo ea libaka. Sebaka sa marang-rang sa ts'ebetso se ka hlophisoa ka software.
- Bakeng sa li-module tse sebelisang li-antenna tsa IPEX, impedance ea tlhahiso ke 50 Ω. Bakeng sa li-module tse ling tse se nang li-antenna tsa IPEX, basebelisi ha ba hloke ho ameha ka ho senyeha ha tlhahiso.
- Matla a Target TX a ka lokisoa ho ipapisitsoe le lisebelisoa kapa litlhoko tsa setifikeiti.
Bluetooth/BLE
Radio 4.5.1 Moamoheli
Lethathamo la 7: Litšobotsi tsa Moamoheli - Bluetooth/BLE
| Paramethara | Maemo | Min | Tlanya | Max | Yuniti |
| Sensitivity @30.8% PER | – | – | –97 | – | dBm |
| Letšoao le phahameng ka ho fetesisa @30.8% PER | – | 0 | – | – | dBm |
| Co-channel C/I | – | – | +10 | – | dB |
|
Khetho ea mocha o haufi C/I |
F = F0 + 1 MHz | – | –5 | – | dB |
| F = F0 - 1 MHz | – | –5 | – | dB | |
| F = F0 + 2 MHz | – | –25 | – | dB | |
| F = F0 - 2 MHz | – | –35 | – | dB | |
| F = F0 + 3 MHz | – | –25 | – | dB | |
| F = F0 - 3 MHz | – | –45 | – | dB | |
|
Ts'ebetso ea ho thibela ka ntle ho sehlopha |
30 MHz ~ 2000 MHz | –10 | – | – | dBm |
| 2000 MHz ~ 2400 MHz | –27 | – | – | dBm | |
| 2500 MHz ~ 3000 MHz | –27 | – | – | dBm | |
| 3000 MHz ~ 12.5 GHz | –10 | – | – | dBm | |
| Ho se lekane | – | –36 | – | – | dBm |
Phetiso
Lethathamo la 8: Litšobotsi tsa Transmitter - Bluetooth/BLE
| Paramethara | Maemo | Min | Tlanya | Max | Yuniti |
| RF maqhubu | – | 2402 | – | 2480 | dBm |
| Fumana mohato oa taolo | – | – | – | – | dBm |
| Matla a RF | BLE:6.80dBm;BT:8.51dBm | dBm | |||
|
Channel e haufi e fetisa matla |
F = F0 ± 2 MHz | – | –52 | – | dBm |
| F = F0 ± 3 MHz | – | –58 | – | dBm | |
| F = F0 ± > 3 MHz | – | –60 | – | dBm | |
| ∆ f1 kavg | – | – | – | 265 | kHz |
| ∆ f2
max |
– | 247 | – | – | kHz |
| ∆ f2avg/∆ f1 kavg | – | – | –0.92 | – | – |
| ICFT | – | – | –10 | – | kHz |
| Sekhahla sa Drift | – | – | 0.7 | – | kHz/50 s |
| Ho hoholeha | – | – | 2 | – | kHz |
Reflow Profile
- RampSebaka sa holimo - Mocheso.: <150°C Nako: 60 ~ 90s Ramp- sekhahla sa ho nyoloha: 1 ~ 3°C/s
- Sebaka sa ho futhumatsa pele - Mocheso. 150 ~ 200°C Nako: 60 ~ 120s Ramp- sekhahla sa ho nyoloha: 0.3 ~ 0.8°C/s
- Sebaka sa phalliso - Mocheso.: >217°C 7LPH60 ~ 90s; Peak Temp.: 235 ~ 250°C (<245°C kgothaletswa) Nako: 30 ~ 70s
- Cooling zone - Peak Temp. ~ 180 ° CRamp-sekhahla se tlase: -1 ~ -5°C/s
- Solder - Sn&Ag&Cu Solder e sa hlokeng pele (SAC305)
Tataiso ea OEM
- Melao e sebetsang ea FCC
Mojule ona o fanoa ke Single Modular Approval. E lumellana le litlhoko tsa FCC karolo ea 15C, melao ea karolo ea 15.247. - Litaelo tse khethehileng tsa tšebeliso
Mojule ona o ka sebelisoa lisebelisoa tsa IoT. Kenyelletso voltage ho mojulung ka mabitso 3.3V-3.6 V DC. Thempereichara ea tikoloho ea tšebetso ea mojule ke -40 °C ~ 65 °C. Ke lenakana la PCB feela le lumelletsoeng. Antenna efe kapa efe e 'ngoe ea kantle e thibetsoe. - Mekhoa e fokolang ea module
N/A - Moralo oa morao-rao oa antenna
N/A - Mehato ea ho pepeseha ha RF
Thepa e lumellana le meeli ea ho pepeseha ha mahlaseli a FCC e behiloeng bakeng sa tikoloho e sa laoleheng. Thepa ena e lokela ho kenngoa le ho sebetsoa ka sebaka sa bonyane 20cm pakeng tsa radiator le 'mele oa hau. Haeba sesebelisoa se hahiloe ho moamoheli joalo ka ts'ebeliso e nkehang, tlhahlobo e eketsehileng ea ho pepeseha ha RF e ka hlokoa joalo ka ha ho boletsoe ke 2.1093. - Antenna
- Mofuta oa Antenna: PCB antenna Phaello e phahameng: 3.40dBi
- Omni antenna e nang le sehokelo sa IPEX Peak gain2.33dBi
- Leibole le lintlha tsa ho latela melao
Leibole ea kantle ea sehlahisoa sa OEM e ka sebelisa mantsoe a kang a latelang: "E na le Transmitter Module FCC ID: 2BFGS-ESP32WROVERE" kapa "E na le ID ea FCC: 2BFGS-ESP32WROVERE." - Lintlha tse mabapi le mekhoa ea tlhahlobo le litlhoko tse ling tsa tlhahlobo
- Modular transmitter e lekiloe ka botlalo ke mofani oa mojule ka palo e hlokahalang ea liteishene, mefuta ea modulation, le mekhoa, ha ea lokela ho hlokahala hore sets'oants'o sa moamoheli se leke hape mekhoa kapa litlhophiso tsohle tse teng tsa transmitter. Ho kgothaletswa hore moetsi wa sehlahiswa se amohelang, a kenye modular transmitter, a etse ditekanyo tse itseng tsa dipatlisiso ho netefatsa hore tsamaiso e kopantsweng ha e fete meedi ya mashano a mesi kapa meedi ya dihlopha (mohlala, moo lenakana le fapaneng le ka bakang mesi e eketsehileng).
- Teko e lokela ho lekola mesi e ka hlahang ka lebaka la ho kopanngoa ha mesi le li-transmitters tse ling, li-circuitry tsa dijithale, kapa ka lebaka la sebopeho sa sehlahisoa se amohelang moamoheli (kamora). Patlisiso ena e bohlokoa haholo ha e kopanya li-transmitter tse ngata tsa modular moo setifikeiti se ipapisitseng le teko e 'ngoe le e' ngoe ea tsona ka mokhoa o ikemetseng. Ho bohlokoa ho hlokomela hore baetsi ba lihlahisoa tse amohelang batho ha baa lokela ho nahana hore hobane modular transmitter e netefalitsoe ha ba na boikarabello ba ho latela melao ea sehlahisoa ea ho qetela.
- Haeba lipatlisiso li bontša hore ho na le bothata ba ho latela melao eo moetsi oa lihlahisoa o tlamehile ho fokotsa bothata. Lihlahisoa tse amohelang batho ba sebelisang transmitter ea modular li tlas'a melao eohle e sebetsang ea tekheniki hammoho le maemo a akaretsang a ts'ebetso ho Karolo ea 15.5, 15.15, le 15.29 hore e se ke ea baka tšitiso. Opareitara ya sehlahiswa sa moamohedi o tla tlameha ho emisa ho sebedisa sesebediswa ho fihlela tšitiso e lokisitswe.
- Teko ea tlatsetso, Karolo ea 15 Motsoako oa Karolo ea B Motsoako oa ho qetela oa moamoheli/mojule o hloka ho hlahlobjoa ho ipapisitsoe le litekanyetso tsa FCC tsa Karolo ea 15B ea hore li-radiator li sa rera li lumelloe ka nepo ho sebetsa joalo ka sesebelisoa sa dijithale sa Karolo ea 15.
Mohokahanyi oa moamoheli ea kenyang mojule ona sehlahisoa sa bona o tlameha ho etsa bonnete ba hore sehlahisoa sa ho qetela se kopaneng se lumellana le litlhoko tsa FCC ka tlhahlobo ea tekheniki kapa tlhahlobo ea melao ea FCC, ho kenyeletsoa le ts'ebetso ea transmitter mme e lokela ho bua ka tataiso ho KDB 996369. li-transmitters tse netefalitsoeng tsa modular, palo ea khafetsa ea lipatlisiso tsa sistimi e kopaneng e hlalositsoe ke molao ho Karolo ea 15.33(a) (1) ho ea ho (a) (3), kapa mofuta o sebetsang sesebelisoa sa dijithale, joalo ka ha ho bonts'itsoe Karolong ea 15.33(b) )(1), ho sa tsotellehe hore na ke mefuta efe e phahameng ea lipatlisiso Ha ho lekoa sehlahisoa se amohelang, li-transmitters kaofela li tlameha ho sebetsa. Li-transmitters li ka sebelisoa ka ho sebelisa li-driver tse fumanehang phatlalatsa 'me li buletsoe, kahoo li-transmitters lia sebetsa. Maemong a mang, ho ka 'na ha e-ba ho loketseng ho sebelisa lebokose le khethehileng la theknoloji (sete ea liteko) moo lisebelisoa tsa 50 kapa li-driver li leng sieo. Ha ho etsoa tlhahlobo ea likhase tse tsoang ho radiator e sa reroang, transmitter e tla beoa ka mokhoa oa ho amohela kapa ka mokhoa o sa sebetseng, haeba ho khonahala. Haeba mokhoa oa ho amohela feela o sa khonehe, seea-le-moea e tla be e se na letho (e khethiloeng) le/kapa skena e sebetsang. Maemong ana, sena se tla hloka ho nolofalletsa ts'ebetso ho BUS ea puisano (ke hore, PCIe, SDIO, USB) ho netefatsa hore potoloho e sa reroang ea radiator e ea sebetsa. Lilaboratori tse etsang liteko li ka 'na tsa hloka ho kenya li-attenuation kapa li-filters ho latela matla a lets'oao la li-beacon tse sebetsang (haeba ho hlokahala) ho tsoa ho(li-radio). Sheba ANSI C63.4, ANSI C63.10 le ANSI C63.26 bakeng sa lintlha tse ling tse akaretsang tsa tlhahlobo.
Sehlahisoa se tlas'a teko se behiloe ho ba sehokelo/motsoalle le sesebelisoa se sebelisanang, ho latela mokhoa o tloaelehileng oa tšebeliso ea sehlahisoa. Ho nolofatsa tlhahlobo, sehlahisoa se tlas'a teko se lokela ho fetisoa ka potoloho ea mosebetsi o phahameng, joalo ka ho romella file kapa ho hasa litaba tse ling tsa media.
Tlhokomeliso ea FCC:
Liphetoho life kapa life tse sa amoheloeng ka kotloloho ke mokha o ikarabellang bakeng sa tumellano li ka hlakola matla a mosebelisi a ho sebelisa sesebelisoa. Sesebelisoa sena se lumellana le karolo ea 15 ea Melao ea FCC. Ts'ebetso e ipapisitse le maemo a mabeli a latelang: (1) Sesebelisoa sena se kanna sa se ke sa baka tšitiso e kotsi, 'me (2) Sesebelisoa sena se tlameha ho amohela tšitiso efe kapa efe e amohetsoeng, ho kenyelletsa le tšitiso e ka bakang ts'ebetso e sa batleheng.
Litokomane / Lisebelisoa
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Walfront ESP32 WiFi le Bluetooth Internet of Things Module [pdf] Bukana ea Mosebelisi ESP32, ESP32 WiFi le Bluetooth Internet of Things Mojule, WiFi le Bluetooth Internet of Things Module, Bluetooth Internet of Things Module, Internet of Things Module, Things Module, Mojule. |