amc:ss2023:group-e:start
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| amc:ss2023:group-e:start [2023/07/25 12:37] – wai001 | amc:ss2023:group-e:start [2023/07/26 07:45] (current) – wai001 | ||
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| ====Bird House: Surveillance system==== | ====Bird House: Surveillance system==== | ||
| HSRW AMC Project\\ | HSRW AMC Project\\ | ||
| - | Yongyi Wang(27634), | + | Yongyi Wang(27634), |
| **1. Introduction** \\ | **1. Introduction** \\ | ||
| EU The Birds Directive (Directive 79/ | EU The Birds Directive (Directive 79/ | ||
| Line 112: | Line 112: | ||
| \\ | \\ | ||
| **Camera module and PIR sensor connection**\\ | **Camera module and PIR sensor connection**\\ | ||
| - | | + | |
| \\ | \\ | ||
| When motion is detected by the PIR sensor, GPIO13 goes high, the board will then wake up, | When motion is detected by the PIR sensor, GPIO13 goes high, the board will then wake up, | ||
| Line 119: | Line 119: | ||
| be published to Flespi via MQTT as a message and also saved on the SD card. | be published to Flespi via MQTT as a message and also saved on the SD card. | ||
| - | ====Sleeping Modes of ESP32==== | + | **Sleeping Modes of ESP3** |
| The ESP32 microcontroller utilized in the project supports a range of general sleeping modes | The ESP32 microcontroller utilized in the project supports a range of general sleeping modes | ||
| depending on which can reduce the RAM and CPU power and the working Wifi capabilities. | depending on which can reduce the RAM and CPU power and the working Wifi capabilities. | ||
| - | Table 1.2 depicts a range of sleeping modes and their features with power supply. | + | Table 1.2 depicts a range of sleeping modes and their features with power supply. |
| + | \\ | ||
| Table 1.2: The sleeping modes supported by ESP32 (source: | Table 1.2: The sleeping modes supported by ESP32 (source: | ||
| + | ^ Power Mode ^ Description | ||
| + | | Active (RF working) | ||
| + | | Modem-sleep | ||
| + | | Modem-sleep | ||
| + | | Modem-sleep | ||
| + | | Modem-sleep | ||
| + | | Modem-sleep | ||
| + | | Light-sleep | ||
| + | | Deep-sleep | The ULP co-processor is powered on.|The ULP co-processor is powered on. | 150 µA 100 µA @1% duty 10 µA | | ||
| + | | Deep-sleep | ULP sensor-monitored pattern |ULP sensor-monitored pattern| 150 µA 100 µA @1% duty 10 µA | | ||
| + | | Deep-sleep | RTC timer + RTC memory |RTC timer + RTC memory | 150 µA 100 µA @1% duty 10 µA | | ||
| + | | Hibernation | RTC timer only |RTC timer only | 5µA | | ||
| + | | Power off | CHIP_PU is set to low level, the chip is powered off. |CHIP_PU is set to low level, the chip is powered off. | 1µA | | ||
| Line 137: | Line 151: | ||
| sensor, the waking up of the system takes place. \\ | sensor, the waking up of the system takes place. \\ | ||
| | | ||
| - | \\ | + | \\ |
| - | ***MQTT Protocol*** \\ | + | \\ |
| + | **MQTT Protocol** \\ | ||
| MQTT (message queuing telemetry transport) is a messaging protocol that was designed to | MQTT (message queuing telemetry transport) is a messaging protocol that was designed to | ||
| create a reliable standard for machine-to-machine (m2m) communication. It is a publish-and- | create a reliable standard for machine-to-machine (m2m) communication. It is a publish-and- | ||
| Line 272: | Line 287: | ||
| - | ***4. Discussion*** \\ | + | **4. Discussion** \\ |
| **4.1 Limitations**\\ | **4.1 Limitations**\\ | ||
| The flashlight on ESP 32 cam is an indicator for successful photo taking, however, it is too | The flashlight on ESP 32 cam is an indicator for successful photo taking, however, it is too | ||
amc/ss2023/group-e/start.1690281455.txt.gz · Last modified: 2023/07/25 12:37 by wai001