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Product description: Chain ToF - VL53L0 - laser distance sensor - 3 - 200 cm - M5Stack U209
Chain ToF is a measurement module designed for the M5Stack Chain system, enabling fast and precise distance measurement without contact with the object. At the heart of the device is the VL53L0C laser sensor, which provides measurements in the range of 3 cm to 200 cm . Under typical conditions, the maximum effective range is approximately 120 cm , while reaching the full 200 cm is possible by enabling Long Range mode and operating in a dark environment without infrared interference. The module is operated by an STM32G031G8U6 microcontroller, and communication takes place via a UART interface with a daisy-chain serial protocol. Two HY2.0-4P connectors enable easy connection of additional Chain series modules, enabling the construction of complex control and interaction systems. Additionally, the sensor is equipped with a programmable WS2812C RGB LED, which can be used to indicate operating status.

Thanks to two Grove interfaces, the sensor can be expanded with additional modules from the Chain series.
Main features of the ToF sensor
- VL53L0C laser sensor : precise non-contact distance measurement using Time of Flight technology
- Measuring range from 3 cm to 200 cm : can work both for detecting close and more distant objects
- Measurement accuracy ±3% : suitable for many applications in automation, robotics and interactive systems
- STM32G031G8U6 microcontroller : responsible for handling measurements and communication with other modules
- UART communication : daisy-chain serial connection support
- Two HY2.0-4P connectors : easy system expansion with additional M5Stack Chain series modules
- Programmable WS2812C RGB diode : enables visual indication of device operation
- Compact design : the module works well in small electronic projects
Chain ToF Technical Specifications
- Microcontroller: STM32G031G8U6
- Distance sensor: VL53L0C
- Measurement technology: Time of Flight (ToF)
- Measuring range: from 3 cm to 200 cm
- Typical maximum range: approximately 120 cm
- Measurement accuracy: ±3%
- Supply voltage: DC 5 V
- Communication interface: UART
- Connector type: 2 x HY2.0-4P
- RGB LED: 1 x WS2812C
- Current consumption - Stop mode with white RGB diode: DC 5 V @ 21.27 mA
- Current consumption - single measurement: DC 5 V @ 20.26 mA
- Current consumption - continuous measurement: DC 5 V @ 24.75 mA
- Operating temperature: 0°C to 40°C
- Product dimensions: 23.9 x 23.9 x 16.0 mm
- Product weight: 8.8 g
Contents of the set
- 1x Chain ToF (VL53L0)
- 1x Chain Bridge
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