# YDLIDAR GS2 Solid-State Line Lidar

> YDLIDAR GS2: solid-state linear-array triangulation lidar for robot edge, cliff and obstacle sensing — 25–300 mm at 80 % reflectivity, 100° FoV, 0.6° angular resolution, 7.5–28 Hz, ≤ 3 mm error to 100 mm, 25 klux sunlight, 3.3 V (100 mA), UART 921600 bps on a ZH1.5-4P, 808 / 850 nm Class 1, 25.6 × 23.6 × 10.8 mm, 4.2 g.

- Manufacturer: YDLIDAR (EAI)
- Part number: GS2
- Category: Lidar & ToF range sensors
- Canonical page: https://www.xirkit.io/products/ydlidar-gs2-solid-state-line-lidar-1631
- Pinout: https://www.xirkit.io/products/ydlidar-gs2-solid-state-line-lidar-1631/pinout
- Structured JSON: https://www.xirkit.io/products/ydlidar-gs2-solid-state-line-lidar-1631/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Lidar type | multi-zone |
| Ranging method | triangulation |
| Min range | 0.025 m |
| Max range | 0.3 m |
| Max range rated at reflectivity | 80 % |
| Accuracy (±) | 3 mm |
| Accuracy detail | ≤ 3 mm (≤ 100 mm), ≤ 3 % (100–200 mm), ≤ 8 % (200–300 mm) |
| Scan frequency | 28 Hz |
| Angular resolution | 0.6 ° |
| Horizontal field of view | 100 ° |
| Wavelength | 850 nm |
| Laser safety class | Class 1 (IEC 60825-1) |
| Interface | UART |
| ROS 2 driver | No |
| Ambient light rating | 25 klux |
| Weight | 4.2 g |
| Supply voltage | 3.2–3.4 V |
| Dimensions | 25.6 × 23.6 × 10.8 mm |
| Operating temperature | -10 to 40 °C |

## Pinout (4 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| VCC | ZH1.5-4P | power in | — | power_in | — | — | — | — | — | — | — |
| Tx | ZH1.5-4P | uart tx | — | tx | — | — | — | — | — | — | — |
| Rx | ZH1.5-4P | uart rx | — | rx | — | — | — | — | — | — | — |
| GND | ZH1.5-4P | ground | — | ground | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.dfrobot.com | 38 USD | in_stock | 2026-10-17 | https://www.dfrobot.com/product-2645.html |

## FAQ

**What voltage powers the YDLIDAR GS2 Solid-State Line Lidar?**

Supply range 3.2–3.4 V.

**How much does the YDLIDAR GS2 Solid-State Line Lidar cost?**

From $38 at www.dfrobot.com. Prices are observed unit prices before tax and shipping.

**What are the YDLIDAR GS2 Solid-State Line Lidar dimensions?**

25.6 × 23.6 × 10.8 mm. A STEP model is available for enclosure fit checks.

**Where does this YDLIDAR GS2 Solid-State Line Lidar data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [YDLIDAR GS2 Solid-State Line Lidar datasheet](https://github.com/May-DFRobot/DFRobot/raw/master/DFR1030%20Data%20Sheet.pdf)
- [www.dfrobot.com listing](https://www.dfrobot.com/product-2645.html)

## Part graph

### Alternatives (by use case)

- [Benewake TF-NOVA 14 m Line-Laser Lidar](https://www.xirkit.io/products/benewake-tf-nova-14-m-line-laser-lidar-c85a) — Both serve distance, altitude and proximity sensing — check the trade-offs; $34.9 vs $38
- [Benewake TF-Luna Single-Point ToF Lidar](https://www.xirkit.io/products/benewake-tf-luna-single-point-tof-lidar-3fe9) — Both serve distance, altitude and proximity sensing — check the trade-offs; $38 vs $30.99
- [Benewake TFmini Plus IP65 ToF Lidar](https://www.xirkit.io/products/benewake-tfmini-plus-ip65-tof-lidar-55a8) — Both serve distance, altitude and proximity sensing — check the trade-offs; $38 vs $49.9
- [Pololu VL53L1X 4 m ToF Sensor Carrier](https://www.xirkit.io/products/pololu-vl53l1x-4-m-tof-sensor-carrier-6d45) — Both serve distance, altitude and proximity sensing — check the trade-offs; $38 vs $22.95
- [Pololu VL53L0X 2 m ToF Sensor Carrier](https://www.xirkit.io/products/pololu-vl53l0x-2-m-tof-sensor-carrier-6fa8) — Both serve distance, altitude and proximity sensing — check the trade-offs; $38 vs $19.95
- [Pololu VL53L5CX 8×8-Zone ToF Carrier](https://www.xirkit.io/products/pololu-vl53l5cx-8-8-zone-tof-carrier-821b) — Both serve distance, altitude and proximity sensing — check the trade-offs; $38 vs $19.95
- [Garmin LIDAR-Lite v4 LED Rangefinder](https://www.xirkit.io/products/garmin-lidar-lite-v4-led-rangefinder-947b) — Both serve distance, altitude and proximity sensing — check the trade-offs; $38 vs $69.99
- [Benewake TFmini-S 12 m ToF Lidar](https://www.xirkit.io/products/benewake-tfmini-s-12-m-tof-lidar-9c47) — Both serve distance, altitude and proximity sensing — check the trade-offs; $38 vs $39.9
- [Benewake TFS20-L Mini Lidar](https://www.xirkit.io/products/benewake-tfs20-l-mini-lidar-79ba) — Both serve distance, altitude and proximity sensing — check the trade-offs; $60 vs $38

### Variants

- [YDLIDAR GS5 Solid-State Line Lidar](https://www.xirkit.io/products/ydlidar-gs5-solid-state-line-lidar-dfbd) — Same YDLIDAR GS-series solid-state linear-array triangulation module (3.3 V UART on ZH1.5-4P, 7.5–28 Hz); GS2 is the 25–300 mm / 100° edge sensor, GS5 the 70–1000 mm / ≥80° obstacle sensor