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美國原廠 Weatherproof TTL Serial JPEG Camera 防水紅外 JPEG攝像頭，帶NTSC（ada0613）
Weatherproof TTL Serial JPEG Camera with NTSC Video and IR LEDs
防風雨TTL串行JPEG攝像機，帶NTSC視頻和紅外LED
【Revision History／修訂記錄】：
As of December 6th, 2023 - The metal shell housing of this camera is slightly bigger than the old edition. The old shell was 52mm diameter and 56mm long, the new shell size is 53mm diameter and 61mm long.
2023 年 12 月 6 日 - 這款相機的金屬外殼比舊版略大。
舊殼體直徑為52mm，長56mm，
新殼體直徑為53mm，長61mm。
【Specifications／規格】：
- Metal Housing size: 2" x 2" x 2.5"
- Weight: 150 grams
- Image sensor: CMOS 1/4 inch
- CMOS Pixels: 30M
- Pixel size: 5.6um*5.6um
- Output format: Standard JPEG/M-JPEG
- White balance: Automatic
- Exposure: Automatic
- Gain: Automatic
- Shutter: Electronic rolling shutter
- SNR: 45DB
- Dynamic Range: 60DB
- Max analog gain: 16DB
- Frame speed: 640*480 30fps
- Scan mode: Progressive scan
- Viewing angle: 60 degrees
- Monitoring distance: 10 meters, maximum 15meters (adjustable)／監控距離：10米，最大15米（可調）
- Image size: VGA（640*480), QVGA（320*240), QQVGA（160*120）
- Baud rate: Default 38400, Maximum 115200
- Current draw: 75mA without IR LEDs on. 250mA extra for IR LEDs
- Operating voltage: DC +5V
- Communication: 3.3V TTL （Three wire TX, RX, GND）
Description
This weatherproof camera module is a classy upgrade to the basic camera module we already stock in the shop. The main differences is that this one comes in a nice metal case with a mounting hinge, a 1 meter long cable with the TTL & NTSC signals brought out, and it has an automatic IR LED system for night time photos. When the onboard photo-cell detects that it is too dark for the camera to take a photo, it turns on a ring of 12 IR LEDs that illuminate the nearby area for night-vision shots.／主要區別在於，這款產品採用漂亮的金屬外殼，帶有安裝鉸鏈，一根 1 米長的電纜，帶有 TTL 和 NTSC 信號，並且具有用於夜間照片的自動紅外 LED 系統。當板載光電管檢測到天太暗而無法拍照時，它會打開一圈 12 個紅外 LED，照亮附近區域以進行夜視拍攝。
This camera was designed to be used in security systems and does two main things - it outputs NTSC video and can take snapshots of that video and transmit them over the TTL serial link. You can snap pictures at 640x480, 320x240 or 160x120 and they're pre-compressed JPEG images which makes them nice and small and easy to store on an SD card. Perfect for a data-logging, security, or photography project.／該攝像機設計用於安全系統，主要做兩件事 - 它輸出NTSC視頻，並可以拍攝該視頻的快照並通過TTL串行鏈路傳輸。您可以拍攝 640x480、320x240 或 160x120 的照片，它們是預壓縮的 JPEG 圖像，這使得它們既美觀又小巧，易於存儲在 SD 卡上。非常適合數據記錄、安全或攝影專案。
One nice thing about this particular camera is all the 'extras' that come with it. For example it has manually adjustable focus, auto-white-balance, auto-brightness and auto-contrast taken care of for you as well as motion detection built in! That means you can have it alert your project when something moved in the frame.／這款特殊相機的一個好處是它附帶的所有“附加功能”。例如，它具有手動可調焦距、自動白平衡、自動亮度和自動對比度，以及內置的運動檢測功能！這意味著當幀中有東西移動時，您可以讓它提醒您的專案。
Using the module is pretty easy and only requires two digital pins (or a TTL serial port) - by default it transmits at 38400 baud. Of course we wouldn't just leave you with a datasheet and a 'good luck', we even spent a lot of time researching the module and DSP to make really nice libraries for both Arduino & CircuitPython, with example code that shows how to change the image size and compression quality, detect motion, control the video output stream, etc. That and more is available in our very detailed tutorial that will help get the most use out of your camera.
