ET-S68
LPS22HB Barometer
260–1260 hPa pressure sensor with interrupt, Qwiic
AED 39.00
Out of stockOverview
260–1260 hPa pressure sensor with interrupt, Qwiic
The ET-S68 is built around the ST LPS22HB — 260–1260hPa, 0.1hPa abs, 1µA low-power, FIFO. It talks over I2C 0x5D / 0x5C and runs from VIN 3.3–5.5V, LDO.
Two Qwiic / STEMMA QT connectors let you chain it with other boards without soldering, and the 2.54 mm header fits a breadboard.
Designed in Dubai by ElectroTrical — the full schematic, BOM and design notes are published below.
Good for
- High-altitude balloons
- Weather logging
- Low-power barometric altimeters
Key features
What makes it different
Sensor
ST LPS22HB: 260–1260hPa, 0.1hPa abs, 1µA low-power, FIFO
Interface
I2C 0x5D / 0x5C
Supply
VIN 3.3–5.5V, LDO
Libraries
Adafruit_LPS2X, STM32duino LPS22HB
Qwiic / STEMMA QT
Two JST-SH connectors plus a 2.54 mm header — 3.3 V and 5 V hosts.
Open documentation
Schematic, BOM and layout notes published for every board.
Specifications
Technical specifications
| Sensor | ST LPS22HB: 260–1260hPa, 0.1hPa abs, 1µA low-power, FIFO |
|---|---|
| Interface | I2C 0x5D / 0x5C |
| Supply | VIN 3.3–5.5V, LDO |
| Size | 25.4 × 17.8 mm |
|---|---|
| Mounting | 4 × M2.5 holes, 2.54 mm from each corner |
| Connectors | 2 × Qwiic / STEMMA QT (JST SH 4-pin) · 6-pin 2.54 mm header |
| Main IC | LPS22HBTR (LCSC C94049) |
| Revision | Rev A |
| Libraries | Adafruit_LPS2X, STM32duino LPS22HB |
|---|
| JP1 (default Closed) | Cut to turn off the LED |
|---|---|
| JP2 (default Closed) | Cut to remove the host-side I2C pull-ups |
| JP3 (default Open) | Bridge → 0x5C |
Performance
Range
Pinout
Pin map and connections
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VIN | Power | 3.3–5.5V |
| 2 | 3V3 | Power | LDO output |
| 3 | GND | Ground | Ground |
| 4 | SCL | I²C | I²C clock |
| 5 | SDA | I²C | I²C data |
| 6 | INT | Output | DRDY / threshold interrupt |
Qwiic / STEMMA QT pins: GND, VIN, SDA, SCL (same on both connectors). I²C pull-ups (10 kΩ) are on the board; cut JP2 to remove them.
Mechanical
Dimensions and what's in the box
In the box
- 1 × ET-S68 LPS22HB Barometer (assembled)
- 1 × 6-pin 2.54 mm male header, unsoldered
Getting started
- Plug in a Qwiic / STEMMA QT cable, or solder the header and wire VIN, GND, SDA and SCL
- Libraries: Adafruit_LPS2X, STM32duino LPS22HB
- Run an I²C scanner to confirm the address: 0x5D, 0x5C
Compare
Which barometer?
| LPS22HB Barometer (this board)This board | ET-S62 BMP280 Barometer | ET-S15 BMP390 Precision Barometer | |
|---|---|---|---|
| What it does | 260–1260 hPa pressure sensor with interrupt, Qwiic | Pressure and temperature, ±1 hPa, Qwiic | High-precision pressure and altitude, ±0.03 hPa |
| Interface | I²C 0x5D / 0x5C | I²C 0x77 / 0x76 (JP3) | I²C 0x77 / 0x76 (JP3), INT |
| Best for | High-altitude balloons | Weather stations | Drone and rocket altimeters |
| Price | 39 AED | 29 AED | 39 AED |
Downloads
Documents and design files
Need a custom version of this board?
Different connector, size or sensor? We design and build custom variants.