HC-08 Bluetooth UART Kev Sib Txuas Lus V2.4 Tus Neeg Siv Qhia: 9 Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29

Khoom Taw Qhia

Bluetooth Modem - Yam Tsawg Dhau -dhau Module HC08 yog lub cim tshiab cim cov ntaub ntawv xa tawm raws li Bluetooth Specification V4.0 BLE raws tu qauv. Nws cov wireless ua haujlwm ntau zaus yog 2.4GHz ISM nrog GFSK txoj kev hloov kho. Lub zog xa tawm siab tshaj yog 4d Bm. Nws tau txais qhov rhiab heev yog -93d Bm. Hauv qhov qhib dav ib puag ncig, nws tuaj yeem ncav cuag 80m super ntev-kev sib txuas lus nrog iphone4s. Nws muaj kev sib xyaw ua ke pob pob qhov thiab pins vuam qhov. Koj tuaj yeem ua ob lub pob thiab txuas cov pins. Nws yog qhov yooj yim heev uas yuav tsum tau kos rau hauv daim ntawv thov. Nrog built-in qhov taw qhia LED, koj tuaj yeem pom qhov pom kev sib txuas ntawm Bluetooth. Cov qauv no txais yuav cov tub ntxhais CC2540F256 teeb tsa 256K me ntsis. Nws txhawb AT cov lus txib. Cov neeg siv tuaj yeem hloov lub luag haujlwm (tus tswv/hom qhev) nrog rau qhov tsis xws li Baud tus nqi thiab lub npe ntaus ntawv raws li lawv tus kheej xav tau. Nws yog yoog raws siv.

Kauj Ruam 1: Khoom Loj

Tus pin txhais

HC-08 tus qauv muaj 30 tus pin ntawm lub nkoj. Cov ntsiab lus tshwj xeeb ntawm cov pins tau teev tseg hauv cov lus hauv qab no:

Kauj ruam 2: Pin

Tus Pin	Txhais	Kuv/O	Piav qhia
1	TXD	tso tawm	UART cov zis, 3.3V TTL qib
2	RXD	tswv yim, tsis muaj zog rub tawm	UART cov tswv yim, 3.3V TTL qib
3	NC
4	NC
5	NC
6	DC	tswv yim	Debug moos
7	DD	Tswv yim/tso tawm	Debug cov ntaub ntawv
8	PIB 20	tswv yim, tsis muaj zog rub tawm	NC
9	PIB 17	tswv yim, tsis muaj zog rub cia	NC
10	PIB 16	Tawm tswv yim, tsis muaj zog rub cia	NC
11	RST	tswv yim, rub tawm	Module pib dua tus pin, qib qis tsis pub tsawg dua 10ms rov pib dua
12	VCC	tswv yim	Tus pin fais fab, qhov xav tau ntawm 3.3V DC fais fab mov,
cov khoom siv tam sim no tsis tsawg dua 100mA
13	GND	Hauv av
14	LEDCON	tswv yim	LED tswj tus pin (Note3)
15	PIB 14	tswv yim, tsis muaj zog rub cia	NC
16	PIB 13	tso tawm	LED tso zis (Ceeb toom 1)
17	PIB 11	tswv yim, tsis muaj zog rub cia	NC
18	PIB 12	tswv yim, tsis muaj zog rub cia	Tus tswv lub tswv yim nco nco (Note2)
19	PIB 10	tswv yim, tsis muaj zog rub cia	NC
20	PIB 07	tswv yim, tsis muaj zog rub tawm	NC
21	USB_D-	NC
22	USB_D+	NC
23	PIB 06	tswv yim, tsis muaj zog rub tawm	NC
24	PIB 01	tswv yim, tsis muaj zog rub tawm	NC
25	PIB 15	tswv yim, tsis muaj zog rub cia	NC
26	PIB 00	tswv yim, tsis muaj zog rub tawm
27	VCC	tswv yim	Tus pin fais fab, qhov xav tau ntawm 3.3V DC fais fab mov,
cov khoom siv tam sim no tsis tsawg dua 100mA
28	GND	Hauv av
29	RXD	tswv yim, tsis muaj zog rub tawm	UART cov tswv yim, 3.3V TTL qib
30	TXD	tso tawm	UART cov zis, 3.3V TTL qib

Kauj Ruam 3: Nco Ntsoov 1:

PIO13 qhia LED tus pin tso tawm, qib siab tso tawm. Thov txuas LED nrog kev ua haujlwm tsis sib thooj.

Ua ntej Kev Sib Txuas:

Thaum tus tswv qauv tsis sau qhov chaw nyob ntawm tus qhev module, nws yuav ci rau 100ms ib pliag;

Thaum tus tswv qauv sau qhov chaw nyob ntawm tus qhev module, nws yuav ci rau 900ms ib pliag;

Hauv tus qauv qhev, LED ci rau 1 thib ob nruab nrab ntawm txhua 2 vib nas this.

Tom qab txuas: LED teeb ib txwm pom kev.

Nco tseg 2:

Tus lej nkag, sab hauv rub tawm. Tus pin no txuas nrog qib hluav taws xob siab. Tus qauv tswv yog siv los tshem tawm qhov chaw nyob kaw ntawm tus qhev module.

Nco tseg 3:

Tus pin nkag, siv los tswj cov LED. Yog tias tus pin no tau tsaws, LED tawm. Yog tias tus pin no tseem tshuav dai, LED rau.

Kauj Ruam 4: Cov Cim Hluav Taws Xob:

Parameter	Kuaj Mob	Tus Neeg Sawv Cev Tus Nqi
Ua hauj lwm Voltage	-	DC2.0V ~ 3.6V
Tswv	tsis txuas / txuas	21mA/9mA
Ua Haujlwm Tam Sim No	MODE0, tsis txuas nrog / txuas	8.5mA/9mA
	MODE1, tsis txuas nrog / txuas	340μA/1.6mA
Tsis yog LED			Qhev
	MODE2, tsis txuas nrog / txuas	0.4μA/1.6mA
MODE3, tsis txuas nrog / txuas	1.2μA-160μA/1.6mA

Kauj ruam 5: Phau ntawv AT Command

AT cov lus txib yog siv los teeb tsa tus qauv ntsuas. Ua ntej kev sib txuas, module tuaj yeem ua haujlwm raws li AT hais kom ua. Tom qab kev sib txuas, nws nkag mus rau hauv qhov chaw nres nkoj serial pob tshab kis tau tus mob hom.

Lub sijhawm pib ntawm cov qauv no yog li 150ms. Yog li nws zoo dua los ua haujlwm AT cov lus txib tom qab tau siv rau 200ms. Tshwj tsis yog lwm qhov qhia, qhov ntsuas qhov ntsuas ntawm AT hais kom ua tau zoo tam sim ntawd. Nyob rau tib lub sijhawm, kev hloov pauv ntawm cov kev ntsuas thiab kev ua haujlwm yuav tsis ploj ib zaug thaum fais fab tuag.

Tom qab ua tiav kev hloov kho ntawm AT cov lus txib, nws zoo ib yam rov qab rau OK (Tsuas yog cov ntaub ntawv tshawb xyuas cov lus txib xws li "AT+RX, AT+VERSION"). Tsis muaj kev vam meej ua tiav, nws yuav tsis rov qab rau cov ntaub ntawv.

⑴ AT Command List

AT hais kom ua	Muaj nuj nqi	Default	Lub luag hauj lwm
（"X"- qhov ntsuas）
1	AT	Kuaj cov lus txib	-	M/S
2	AT+RX	Txheeb xyuas qhov tsis yooj yim	-	M/S
3	AT+DEFAULT	Rov qab teeb tsa lub Hoobkas	-	M/S
4	AT+RESET	Pib dua lub module	-	M/S
5	AT+VERSION	Txheeb xyuas version thiab hnub tim	-	M/S
6	AT+ROLE = x	Hloov tus tswv/qhev lub luag haujlwm	S	M/S
7	AT+NAME = xxxxxxxxxxxxx	Hloov lub npe	HC-08	M/S
8	AT+ADDR = xxxxxxxxxxxxx	Kho qhov chaw nyob	Kho vajtse	M/S
			chaw nyob
9	AT+RFPM = x	Tshawb xyuas lub zog RF	0 (4dBm) Cov	M/S
10	AT+BAUD = x, y	Txheeb xyuas UART baud	9600, ib	M/S
11	AT+CONT = x	Teeb kev sib txuas	0 (Ua tau	M/S
			txuas nrog)
12	AT+MODE = x	Teeb hom ua haujlwm	0	S
13	AT+AVDA = xxxxxxxxxxxxx	Hloov cov ntaub ntawv tshaj tawm	-	S
14	AT+TIME = x	Hom 3 lub voj voog tshaj tawm	5 (tus)	S
Tus tswv module kom pom tseeb
15	AT+CLEAR	qhev module chaw nyob	-	M
tau kaw tseg.

Nco tseg:

1. AT cov lus txib tom qab tsis muaj kab ntawv tshiab; yog tias tsis muaj cov lus qhia tshwj xeeb, tag nrho AT cov lus txib tsis raug xa mus siv kab tshiab.

2. Qhov kawg 4 cov lus txib laus, yuav tsum siv ua ke, tuaj yeem ua nws lub luag haujlwm BLE Bluetooth lub zog qis. Siv Bluetooth tsis muaj zog, yuav muaj cov lus qhia tshwj xeeb thiab cov phiaj xwm tau qhia hauv ntu hauv qab no.

Kauj Ruam 6: Hais Kom Piav

1. Qhov kev hais kom ua

Hais kom ua: AT

Rov qab los: OK.

Txheeb xyuas qhov tsis yooj yim

Saib qhov tsis yooj yim xws li Bluetooth lub npe, tus tswv/qhev lub luag haujlwm, UART baud tus nqi, chaw nyob thiab tus lej zais.

Hais kom ua: AT+RX

Rov qab los:

Lub Npe: HC-08 ------ >>> bluetooth npe

Txoj Haujlwm: Qhev ------ >>> tus tswv/qhev lub luag haujlwm

Baud: 9600, TSIS MUAJ ------ >>> UART baud tus nqi

Addr: xx, xx, xx, xx, xx, xx ------ >>> bluetooth chaw nyob

PIN: 000000 ------ >>> bluetooth lo lus zais

Nco tseg: Ib ntus tsis txhawb hloov tus password!

1. Pib dua rau lub neej ntawd

   Hais kom ua: AT+DEFAULT

   Rov qab los: OK

   Tus qauv yuav rov pib dua, thov ua haujlwm tshiab ntawm kev rov pib dua 200ms!

2. Pib dua lub module

   Hais kom ua: AT+ RESET

   Rov qab los: OK

   Tus qauv yuav rov pib dua, thov ua haujlwm tshiab ntawm kev rov pib dua 200ms!

   5. Che xyuas version thiab hnub tim

   Hais kom ua: AT+ VERSION

   Rov qab los: HC-08V2.0, 2014-08-22

   6. Hloov tus tswv/qhev lub luag haujlwm teeb tsa

   hais kom ua: AT+ROLE = x Lus nug

   hais kom ua: AT+ROLE =? X: lub luag haujlwm (M lossis S), M: tus tswv; S: qhev. Kev teeb tsa tsis raug yog S (qhev).

   Xa: AT+ROLE = M.

   Rov qab los: OK

   Teeb tus tswv lub luag haujlwm, tus qauv yuav rov pib dua！

   Xa: AT+ROLE =?

   Rov qab los: Tswv

   Koj tuaj yeem pom lub luag haujlwm yog tus qauv tswv.

3. Hloov lub npe

   Teeb hais kom ua: AT+ NAME = xxxxxxxxxxxx

   Cov lus nug nug: AT+ NAME =?

   Lub npe tsis raug yog HC-08, koj tuaj yeem teev lwm lub npe (Siv tau hauv 12 tus cim, txhawb kev pom ASCII tus lej thiab ib feem ntawm tus yam ntxwv khiav tawm. Tus qauv txhawb nqa Suav, tab sis cov cuab yeej hauv xov tooj yuav tsum hloov mus rau "UTF8 code" txhawm rau Ntau tshaj 12 tus cim, tom qab ntawd nws yuav nyeem thawj 12 tus cim nkaus xwb.) Kev teeb tsa tiav, siv tau tom qab kev hloov kho tau pib dua!

   Piv txwv:

   Xa: AT+NAME = HCKJ

   Rov qab los: OKsetNAME

   Xa: AT+NAME =?

   Rov qab los: HCKJ

   8. Rov xyuas qhov chaw nyob

   Teeb hais kom ua: AT+ADDR = xxxxxxxxxxxx

   Cov lus nug nug: AT+ADDR =?

   Qhov chaw nyob yuav tsum yog 12 ntsis "0 ~ F" cov ntawv loj, uas yog cov cim hexadecimal.

   Piv txwv:

   Xa: AT+ADDR = 1234567890AB

   Rov qab los: OKsetADDR

   Kev teeb tsa tiav, siv tau tom qab kev hloov kho tau pib dua!

   Xa: AT+ADDR =?

   Rov qab: 1234567890 AB

   Xa: AT+ADDR = 000000000000

   Rov qab los: OKsetADDR

   Xa "000000000", tus qauv los kho qhov chaw nyob kho vajtse qub. Module factory default yog hardware address.

   9. Rov xyuas RF lub zog

   Teeb hais kom ua: AT+RFPM = x

   Cov lus nug nug: AT+RFPM =?

   X: RF zog, raws li qhia hauv cov lus hauv qab no:

   Parameter	RF zog
   ?	Saib lub zog RF tam sim no
   0	4dBm (default)
   1	0dBm ib
   2	-6dBm
   3	-23dBm

   Piv txwv:

   Xa: AT+RFPM = 2

   Rov qab los: OK

   RF fais fab hloov -6dBm.

   Xa: AT+RFPM =?

   Rov qab: -6dBm

   RF zog yog -6dBm.

   Thaum lub ncov tam sim no ntau dua 30mA (thaum RF lub zog yog 4dBm) thiab tam sim no ntawm cov roj teeb khawm me me (qis dua 20mA), yog tias peb xav kom them nrog lub roj teeb khawm, peb yuav zoo dua teeb tsa RF zog ua -6dBm lossis -23dBm.

   10. Revise UART baud tus nqi

   Teeb hais kom ua:

   AT+BAUD = x （Tsuas yog hloov kho UART baud tus nqi）

   AT+BAUD = x, y （Hloov kho UART baud tus nqi thiab sib luag me ntsis）

   Cov lus nug nug: AT+BAUD =?

   x: UART baud tus nqi, y: parity ntsis, Raws li qhia hauv cov lus hauv qab no:

   Parameter	UART baud: x	Parameter	sib pt: y
   ?	Saib tus nqi baud tam sim no
   1200	1200 Ib	N	Tsis muaj kev ncaj ncees
   2400	2400 Ib	E	Txawm sib npaug
   4800	4800 Ib	O	Qhov txawv parity
   9600	9600bps (default)
   19200	19200 Ib
   38400	38400 Ib
   57600	57600 Ib
   115200	115200bps

   Piv txwv:

   Xa: AT+BAUD = 19200

   Rov qab los: OK19200

   UART baud tus nqi hloov pauv rau 19200bps.

   Xa: AT+BAUD = 4800, E.

   Rov qab los: OK4800, XWB

   UART baud tus nqi hloov pauv rau 4800bps, thiab txawm tias sib npaug.

   Xa: AT+BAUD =?

   Rov qab los: 4800, YOG

   Saib UART baud tus nqi thiab sib luag me ntsis.

   Thaum tus tswv thiab qhev tus qauv hloov pauv, txhua pob ntawv hauv qab 9600bps baud tus nqi yuav tsum tsis pub ntau tshaj 500 bytes. Raws li rau txhua pob ntawv nrog baud tus nqi siab dua 19200bps, thov xa mus rau cov lus hauv qab no. Nruab nrab ntawm cov ntaub ntawv ntim, nws yuav tsum muaj qee lub sijhawm luv. Cov lus hauv qab no yog ntau yam kev sib txuas lus baud tus nqi, tus nqi siv rau lub sijhawm luv:

   baud tus nqi (bps)	1200	2400	4800	9600	19200	38400	57600	115200
   500 bytes sij hawm luv (ms)	6800	3600	2000	1000
   300 bytes sij hawm luv (ms)	4200	2400	1200	600	400
   100 bytes sij hawm luv (ms)	1500	800	400	160	100	120
   80 bytes sij hawm luv (ms)	1000	650	320	120	80	60	100
   60 bytes sij hawm luv (ms)	800	500	250	100	60	60	60	100
   20 bytes sij hawm luv (ms)	200	100	50	20	20	20	20	20

   1. Qhov saum toj no yog ntsuas cov ntaub ntawv. Theoretical ceev tshaj tag nrho transceiver ceev: 2500 bytes/sec, nrog rau kev tswj ceev hauv 2000 bytes/sec.

   2. Bytes ntawm txhua pob ntawv yuav tsum yog tus lej sib npaug ntawm 20.

   3. Module xa cov ntaub ntawv cog lus sib cog lus tsis siv neeg yog cov lej sib npaug ntawm 20 bytes. Nws tau siv los xa pob 100 bytes, thiab nws yuav tau txais ntau pob ntawv ntawm lwm qhov kawg. Txhua pob ntawv cov ntaub ntawv yog cov lej sib npaug ntawm 20 bytes. Tag nrho cov naj npawb ntawm bytes yog 100.

   11. Set txuas tau

   Teeb cov lus txib: AT+CONT = x

   Cov lus nug nug: AT+CONT =?

   X parameter ua haujlwm yog raws li hauv qab no:

   Parameter	Tus Xib Hwb	Qhev Role
   Nruab Nrab	Ib puag ncig
   0	Yuav txuas tau, kev txuas	Yuav txuas tau, kev txuas
   （Default）	tom qab nkag mus rau pob tshab zoo tib yam	tom qab nkag mus zoo ib yam pob tshab
   hom kev sib kis	hom kev sib kis
   Tus Saib Xyuas	Tshaj tawm
   Lub module tsis tuaj yeem txuas nrog	Tsis txuas nrog tus tswv lub luag haujlwm,
   1	rau lwm yam khoom siv, tab sis yuav pib-	tab sis tuaj yeem ua ke nrog lub zog qis
   	ua lej luam theej duab HC-08 los ntawm	hom 3, kev paub txog kev tshaj tawm
   tshaj tawm hauv xov datamachine pob,	pob ntawv xa.
   tsau 2sec sijhawm kho tshiab.

   Piv txwv:

   Xa: AT+CONT = 1

   Rov qab los: OK

   Kev teeb tsa tiav, siv tau tom qab kev hloov kho tau pib dua!

   Xa: AT+CONT =?

   Rov qab los: Tsis txuas tau

   Cov lus txib thov nrog "AT+MODE", "AT+AVDA" thiab "AT+TIME" hais kom ua nrog kev siv.

   Nco tseg:

   1. Tus tswv/qhev tus qauv "CONT = 1" feem ntau yog siv rau xa cov ntaub ntawv tshaj tawm. Xa cov ntaub ntawv tshaj tawm los ntawm tus qhev tus qauv, tus qauv tswv yuav tau txais cov ntaub ntawv sib xws los ntawm cov ntawv tso tawm.

   2. Cov qauv no yog rau cov neeg siv kom rub cov pob ntawv tshaj tawm no los ntawm nws tus kheej nkaus xwb. Cov txheej txheem kev sib txuas lus tshwj xeeb tsis tau piav qhia ntawm no. Yog tias koj xav paub, thov mus ntsib lub vev xaib raug cai hauv qab no rau kev sab laj:

   www.hc01.com/

Kauj Ruam 7: 12. Set Hom Ua Haujlwm (Tsuas Qhua Module)

Teeb hais kom ua: AT+MODE = x

Cov lus nug nug: AT+MODE =?

Hais kom ua	Parameter	Rov qab los	Muaj nuj nqi
=?	0/1/2/3	Tau txais hom tam sim no.
=0	Tag nrho lub zog hom (lub neej ntawd), LED qhib.
Qib 1 lub zog txuag hom, LED kaw.
=1	Tsis muaj kev sib txuas tam sim no yog 340μA, kev sib txuas
ceev zoo li hom0.
Qib 2 lub zog txuag hom, LED kaw.
=2	Tsis muaj kev sib txuas tam sim no yog 0.4μA.
	UA+	Nrhiav tsis tau, tsis txuas nrog kom sawv
QAUV	OK	ua ntej, tom qab tsaug zog tuaj yeem txuas nrog.
Qib 3 lub zog txuag hom, LED kaw.
Tsis muaj kev sib txuas tam sim no yog 1.2μA ~ 160μA （txog
32μ Ib qho default
=3	Ua ke nrog "AT+TIME" los teeb tsa kev tshaj tawm
sijhawm, yog li txhawm rau txo hwj chim.
Kev siv cov txheej txheem tshwj xeeb thov saib mus rau
"AT+TIME" hais kom ua.

Nco tseg:

• Hom 3 feem ntau yog siv rau:

  A. Siv los txo hwj chim.

  B. Tus qhev module xa cov ntaub ntawv tshaj tawm mus rau tus tswv tswv, tuaj yeem ua tiav kev sib txuas lus ib txoj hauv kev ntawm ib rau ntau tus (raws li nws tuaj yeem yog los ntawm tus qhev module mus rau qhov tsis paub tus tswv).

  C. Raws li kev tiv thaiv poob ceeb toom, daim npav tuaj koom, ntsuas lub plawv ntsuas lossis lwm yam khoom siv wireless.

  2. Hom 1/2/3 muaj los ntawm UART chaw nres nkoj kom xa 1 byte cov ntaub ntawv kom sawv, tab sis pem hauv ntej ob peb bytes ntawm cov ntaub ntawv tuaj yeem ua rau tsis zoo tom qab sawv. Yog li ntawd peb pom zoo kom xa 10 bytes hexadecimal code ntawm "0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF" kom ua kom pom qhov hloov pauv, zam rau pem hauv ntej ob peb cov ntaub ntawv byte tej zaum yuav tsis meej pem. Txij thaum ntawd los, cov qauv ua haujlwm ntawm hom nrawm, UART chaw nres nkoj tuaj yeem ua tau ib txwm xa thiab tau txais cov ntaub ntawv.

  Nyob rau hauv qhov xwm txheej tsis txuas nrog, tom qab tau tsim los rau hauv hom nrawm, uas tswj tau li 5 feeb, thiab tom qab ntawd rov qab mus rau hom qub. Ntev li 5 feeb hauv UART tau txais cov ntaub ntawv, tom qab ntawd rov ua dua.

  Yog hais tias tus qauv nyob hauv lub xeev txuas nrog, tom qab ua kom tsaug zog, nws yuav nyob twj ywm hauv hom nrawm. Ua ntej kev sib txuas, tus qauv yuav rov ua lub zog qub qub.

  3. Ntxiv rau hom0, lwm hom yog kaw LED. Tab sis tom qab txuas, LED yuav pom kev.

  Piv txwv: Xa: AT+MODE =?

  Rov qab: 0

  Saib hom tam sim no.

  Xa: AT+MODE = 2

  Rov qab los: OK

  Teeb hom 2, siv tau tam sim ntawd.

• Hloov cov ntaub ntawv tshaj tawm （Tsuas yog tus qauv qhev）

  Hais kom ua: AT+AVDA = xxxxxxxxxxxx

  Parameter "xxxxxxxxxxxx" tuaj yeem yog 1 ~ 12 bytes cov neeg siv cov ntaub ntawv. Yog tias nyob ntawm qhov no

  tus tswv xeev lub xeev ntawm AT+CONT = 1, tom qab ntawd tus tswv module UART chaw nres nkoj yuav tso tawm cov ntaub ntawv "xxxxxxxxxxxx". Cov ntaub ntawv tshaj tawm yuav tsis raug khaws cia tas mus li. Nws yuav raug tshem tawm tom qab rov pib dua.

  Piv txwv:

  Qhib lub luag haujlwm xa: AT+AVDA = 1234567890AB

  Rov qab los: OK

  Yog tias ntawm qhov no tus tswv xeev lub xeev ntawm AT+CONT = 1, UART chaw nres nkoj yuav tso tawm: 12345 67890AB.

  14. Muaj 3 lub voj voog tshaj tawm (Tsuas yog qhev)

  Teeb cov lus txib: AT+TIME = x

  Cov lus nug nug: AT+TIME =?

  Parameter x teeb tsa ntau yog raws li hauv qab no:

  x kev	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
  sij hawm/	1	2	3	4	5	6	7	8	9	10	20	30	40	50	60
  sec					(lub neej ntawd)
  x kev	F	G	H	Kuv	J	K
  sij hawm/	1	2	5	10	30	60
  min

  Piv txwv:

  Xa: AT+TIME = F

  Rov qab los: OK

  Teeb hom 3 ntawm kev tshaj tawm xov xwm rau 60 vib nas this. Txhua 60 vib nas this, xa cov ntaub ntawv tshaj tawm.

  Xa: AT+SIJHAWM =?

  Rov qab: 60s

  Kev daws teeb meem tsawg zog (qhev module):

  1. Qhov xav tau kom sawv ntawm wireless:

  Nkag mus rau "AT+MODE = 1" lossis "AT+MODE = 3", tus qauv yuav nkag mus rau lub zog qis kom txog thaum tus tswv module thov txuas. Tom qab kev sib txuas, tam sim no yog 1.6mA. Cov ntaub ntawv sib pauv hloov pauv yuav nkag mus rau hom nrawm ua ntej txuas nrog, thaum tom qab txuas nrog, nws yuav rov qab mus rau hom qis zog.

  2. Muaj peev xwm txuas qhov xwm txheej:

  Sau "AT+MODE = 2", nws yuav nkag mus rau lub zog siv hom tsawg2. Tus qauv nkag mus rau lub xeev pw tsaug zog. Nws tsis tuaj yeem pom los ntawm tus tswv tswv. Thaum koj txuas, koj tuaj yeem xa cov ntaub ntawv xav tau los tsim cov qauv, thiab tom qab ntawd nws tuaj yeem xa thiab tau txais cov ntaub ntawv ib zaug txuas nrog.

  Kev daws teeb meem qis tshaj tawm hauv xov tooj cua hom:

  Thawj teeb tsa lub luag haujlwm tseem ceeb: AT+CONT = 1 -> AT+ROLE = M.

  Thiab tom qab ntawd teeb tsa lub luag haujlwm qhev: AT+CONT = 1 -> AT+AVDA = 1234 ≦ ≦ 12Bytes cov ntaub ntawv）

  Cov neeg siv 'MCU xa 10 bytes hexadecimal code ntawm "0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF" mus rau qhov qauv ntawm UART chaw nres nkoj txhawm rau txhawm rau hloov lub module mus rau hauv lub zog puv hom. Txij ntawm no, cov neeg siv tuaj yeem tsim nyog tsim nyog raws li lawv xav tau. Qhov saum toj no "AT+CONT = 1, AT+AVDA = xxxx, AT+MODE = 3, AT+TIME = 5" tau teeb tsa rau: "tshaj tawm thiab txuas tsis tau". Cov ntaub ntawv tshaj tawm yog XXXX, hom 3 (lub sijhawm 5 vib nas this). Raws li cov lus saum toj no, qhov nruab nrab tam sim no tsawg dua 4 μA, SIJHAWM yuav ntau dua 1 feeb. Ntev dua lub sijhawm no, qis zog siv nws yuav muaj.

  Tus neeg siv xav xa cov ntaub ntawv nquag, thov kom nkag mus rau hom 2 nyob rau lub sijhawm tsis ua haujlwm, xav tau xa cov ntaub ntawv hloov mus rau hom sib xws.

  15. Tus tswv qauv los tshem tawm tus qhev qhov chaw nyob tau sau tseg (Tsuas yog tus tswv)

  Teeb hais kom ua: AT+CLEAR

  Cov lus nug nug: OK

  Tus tswv tswv, ib zaug txuas nrog tus qauv qhev, yuav nco txog MAC chaw nyob ntawm tus qhev module hauv lub sijhawm kawg. Yog tias koj xav txuas nws mus rau lwm tus qauv qhev, koj yuav tsum tshem tawm lub cim xeeb tam sim no. Thawj txoj hauv kev yog tso tus qauv 18 tus pin rau qib hluav taws xob siab ntawm 200ms, lwm txoj hauv kev yog siv "AT+CLEAR" hais kom ua.

Kauj Ruam 8: Siv Schematic

Kauj ruam 9: Qhov chaw

Kab lus no yog los ntawm:

Yog tias koj muaj lus nug, koj tuaj yeem tiv toj ： [email protected].