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DIY Camera - G1A Wifi Edition (Camera Mainboard + IMX377 Camera Module+Wifi Board)
1. Product Overview
The DIY Camera G1A WiFi Edition is equipped with an iCatch V39M camera mainboard, an IMX377 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 high-quality SONY IMX377 CMOS sensor with an effective 12-megapixel resolution, paired with a 100-degree distortion-free wide-angle lens, and features multi-axis EIS (Electronic Image Stabilization) for enhanced image stability. 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 40mm in height and weighing 30g.
The DIY Camera G1A WiFi Edition (camera mainboard + IMX377 camera module + wifi board) , suitable for 4k action camera, wifi camera, drone camera, industrial cameras, and robot vision cameras.

2. Specifications
| project | Parameter Description | project | Parameter Description |
| DSP chip | iCatch V39M | Lens model | HX1812C6 100° lens |
| Image Sensor | SONY IMX377(12M) | Sensor Type | CMOS |
| Sensor interface | MIPI | Battery voltage | 7.4V~7.7V |
| Effective pixels | 1200Ten thousand | Sensor size | 1/2.3(7.81mm) |
| 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 | 1.55um | Image stabilization | Supports EIS (Electronic Image Stabilization) |
| Operating temperature | -10-+60°C | Storage temperature | -20-+80°C |
humidityHumidity | 20%-80% | PCBsize | 38*38MM |
| Wifi Modules | 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@24/25/30/fps 2.7K@24/25/30/48/50/60fps 1440P@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)(Interpolation) 13M(4160x3120)(Interpolation) 12M(4000x3000) 10M(3648x2736) 8M(3264x2448) 5M(2592x1944) 3M(2048x1536) 2M(1920x1080) | ||
| Focal-Length | 3.24mm | Total Length | 22.5mm |
F/NO. | 2.7 | Lens structure | 4Glasses+2Plastic+1 IR |
FOV(D) | 100° | FOV(H) | 87° |
FOV(V) | 71° | ChiefRay Angle | <14.9°<> |
TV Distortion | <0.5%<> | Relative Illumination | >65% |
3. Interface Description

IMX377 L1812C6 Camera Module:
IMX377 L1812C6 Camera Module supports capturing 12-megapixel high-resolution photos and recording 4K video at 30FPS. Utilizing an ICM-40607 gyroscope, it enables advanced multi-axis EIS (Electronic Image Stabilization) for enhanced image stability.
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.
Fill Light Interface:
Two fill light interfaces are provided for connecting expansion light panels (supporting both white light and IR infrared), enabling auxiliary lighting for the device.
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-142.html