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DIY Camera - G1M WiFi Edition (Camera Mainboard + IMX283 Camera Module + Wifi Board)
1. Product Overview
The DIY Camera G1M WiFi Edition is equipped with an iCatch V39M camera mainboard, an IMX283 camera module and Wifi Board, interconnected via a board-to-board connector.
This DIY camera system is built around the iCatch V39M chip, supporting H.264 video encoding at up to 4K@60FPS (interpolated), 4K@30FPS, 2.7K@60FPS, and 1080P@120FPS. The camera module utilizes a Sony IMX283 1-inch CMOS sensor with an effective 20-megapixel resolution, paired with a high-quality 7G2P lens offering a 102° field of view. Equipped with the AW CM256SM single-stream dual-band Wi-Fi module, it supports wireless connectivity operating on either the 2.4GHz or 5GHz band.
The board integrates a Type-C interface, HDMI port, TF card slot (supporting up to 512GB), battery interface, two control buttons, a digital silicon microphone, a buzzer, a Wi-Fi antenna, display/touch screen connector, CVBS (reserved interface), UART3 serial port, PWM, 5-way ADC button, and DC power input. The PCB measures 38x38mm, with the complete camera module standing 52mm in height and weighing 57g.
The DIY Camera G1M WiFi Edition (camera mainboard + IMX283 camera module + wifi board) , suitable for industrial wireless camera, WiFi camera, drone camera, industrial cameras, and machine vision cameras.

2. Specifications
| project | Parameter Description | project | Parameter Description |
| DSP chip | iCatch V39M | Lens model | HX1117C Lens |
| Image Sensor | SONY IMX283(20M) | Sensor Type | CMOS |
| Sensor interface | MIPI | Battery voltage | 7.4V~7.7V |
| Effective pixels | 2000Ten thousand | Sensor size | 1' (one inch) |
| Storage Type | External TF Card, Support 8G~512G class 10 and The above cards are recommended U3 | Type-Cinterface | Type-C USB 5V;USB Drive Mode; PCCAM Mode |
| Pixel size | 2.4*2.4um | Image stabilization | Not supported, customizable |
| Operating temperature | -10-+60°C | Storage temperature | -20-+80°C |
humidityHumidity | 20%-80% | PCB size | 38*38mm |
| WifiModules | AW CM256SM | RF Specification | 2.4G OR 5G |
WLAN Standard | IEEE 802.11b/g/n/ac, WiFi compliant | 2.4G Frequency Range | 2.400 GHz ~ 2.497 GHz (2.4 GHz ISM Band) |
5G Frequency Range | 4.900 GHz ~ 5.845 GHz (5.0 GHz ISM Band) | 2.4G Number of Channels | 2.4GHz:Ch1 ~ Ch14 |
| 2.4G Transmission Rate | 2-3M Byte | 5G Transmission Rate | 6-8M Byte |
| 2.4G Transmission Distance | 50 meters (720P & 1M, in open interference-free conditions) | 5G Transmission Distance | 30 meters (720P & 1M, in open interference-free conditions) |
| CVBS (Reserved Interface) | 720*576 | PWM | 3Pin PWM,1PIN APWMP |
| Video resolution | 4K@48/50/60fps(Interpolation) 4K@24/25/30fps 2.7K@24/25/30/48/50/60fps 1080P@24/25/30/48/50/60/120fps 720P@24/25/30/48/50/60/120/240fps | ||
| Photo resolution | 20M(5200x3900) 13M(4160x3120) 12M(4000x3000) 10M(3648x2736) 8M(3264x2448) 5M(2592x1944) 3M(2048x1536) 2M(1920x1080) | ||
| Focal-Length | 6.6mm | Total Length | 30.22mm |
F/NO. | 2.8 | Lens structure | 7G2P |
| FOV(D) | 102° | FOV(H) | 91.8° |
| FOV(V) | 68° | Relative Illumination | 32.8% |
3. Interface Description

IMX283 L1117C Camera Module:
IMX283 L1117C Camera Module supports capturing 20-megapixel high-resolution photos and recording 4K video at 30FPS.
USB Type-C Interface:
This interface supports 5V power input per the USB standard, providing power to the camera module and enabling battery charging. When connected to a computer via USB, it allows direct access to files on the TF card (functioning as a mass storage device) and can also operate as a PC camera (USB webcam). Additionally, it reserves one camera control UART3 and one camera debug UART1 serial port (serial port functions require the dedicated G1-USB serial adapter board).
Micro HDMI Interface:
The Micro HDMI interface supports video signal output at up to 4K@30FPS.

Battery Interface:
Supports operation via a battery with a voltage range of 6.8V to 8.4V. A high-voltage, high-density lithium battery within 7.4V to 7.7V is recommended for optimal performance.
Dual Control Buttons:
Comprises a Power Button (Button A) and a Confirm Button (Button B). The Power Button controls power on/off and mode switching, while the Confirm Button is used for photo capture and video recording.

PWM Interface:
This interface provides PWM functionality, allowing control over camera mode switching, photo capture, and video recording.
ADC 5-Way Button:
Supports one ADC 5-way button interface for up, down, left, right, and confirm operations. It enables external button control for powering the camera on and off.
Control Serial Port:
Features RX3 and TX3 lines, enabling camera configuration and control via this UART interface. A CVBS (TV-OUT) analog video output is reserved and available as a customizable option.
DC Power Interface:
Supports 9–24V DC input for automatic camera startup. Allows simultaneous triple power supply from Wi-Fi board DC input, mainboard battery, and Type-C USB, or can operate on any single power source.
Link: https://www.wasintek.com/en/h-pd-159.html