ARDUINO AJ-SR04M Distance Measuring Transducer Sensor User Manual
Kev ua haujlwm hom:
Tom qab txuas lub ultrasonic ranging module nrog 3-5.5V fais fab mov, lub module muaj tsib hom kev ua haujlwm:
Hom 1: Common Pulse Width Square Wave (tsawg kawg siv zog 2.5mA)
Hom 2: Tsawg Fais Fab Pulse Width Square Wave (tsawg zog siv 40uA)
Hom 3: Tsis Siv Neeg Serial Chaw nres nkoj (tsawg kawg siv hluav taws xob 2.5mA)
Hom 4: Serial Port Trigger (tsawg zog siv 20uA)
Hom 5: ASCII Code tso zis (tsawg zog siv 20uA)
Module Output Format Description:
* Txoj kev hloov hom. Nyob rau hauv cov ntaub ntawv ntawm lub hwj chim tsis ua hauj lwm, hom yuav hloov tau los ntawm kev hloov tus nqi kuj ntawm R19 saum lub module.
* Txoj Kev Xaiv Cov Qauv:
- Tau tshaj kev lag luam HR-04 txhais hom
- Tsawg zog hom
- Automatic Serial Chaw nres nkoj hom
- Tsawg Fais Fab Serial Chaw nres nkoj hom
- Computer Printing Hom
| Qauv | Hom sib raug | Sawv ntawm Tam Sim No | Tsawg zog tam sim no | Qhov muag tsis pom kev | Nyob deb tshaj plaws |
| Tau tshaj kev lag luam HR-04trigger hom | Qhib Circuit Court | <2mA | 20 cm | 8m | |
| Tsawg zog hom | 3001c 0 | <2mA | <40 pA | 20 cm | 8m |
| Automatic Serial Chaw nres nkoj hom | 120k 12 | <2mA | 20 cm | 8m | |
| Tsawg Fais Fab Serial Chaw nres nkoj hom | 47k 12 | <2mA | <20 pA | 20 cm | 8m |
| Computer Printing Hom | oK | <2mA | <20 pA | 20 cm | 8m |
Module Startup Flow Chart:
Hom 1: Standby tam sim no <2.0mA, ua haujlwm tam sim no 30mA
Hom 2: Tsawg zog siv <40uA, ua haujlwm tam sim no 30mA
Hom 3: Serial chaw nres nkoj tsis siv neeg hom, nruab nrab tam sim no 5mA
Hom 4: Serial qis zog hom, qis zog <20uA, standby 2mA
Hom 5: Serial low power mode, standby <20uA, ua haujlwm 30mA
Daim ntawv loj:
Qhov Loj ntawm Kab Kab
Ultrasound Transducer
Ultrasound Transducer
Sawb tswj
motherboard loj
motherboard loj
Cov ntaub ntawv / Cov ntaub ntawv
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ARDUINO AJ-SR04M Distance Measuring Transducer Sensor [ua pdf] Tus neeg siv phau ntawv AJ-SR04M Distance Measuring Transducer Sensor, AJ-SR04M, Distance Measuring Transducer Sensor, Ntsuas Transducer Sensor, Transducer Sensor, Sensor |
