
Universal sensor adapter V2.0 allows easy connection of switches or modules needing pull-up/down resistors to microcontrollers, featuring improved design with onboard resistors.
terminal input/output point for the external switch or sensor; tied to B through onboard 10 kΩ resistor
middle terminal / signal reference point for the external switch or sensor; 10 kΩ pull network connects B to A and B to C
terminal input/output point for the external switch or sensor; tied to B through onboard 10 kΩ resistor
Gravity 3-pin signal connection to the microcontroller sensor expansion board for digital or analogue input modules
Gravity connector power pin; product specification lists +5 V operating voltage
Gravity connector ground
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| A | terminal-1 | digital io | terminal input/output point for the external switch or sensor; tied to B through onboard 10 kΩ resistor | |
| B | terminal-2 | digital io | middle terminal / signal reference point for the external switch or sensor; 10 kΩ pull network connects B to A and B to C | |
| C | terminal-3 | digital io | terminal input/output point for the external switch or sensor; tied to B through onboard 10 kΩ resistor | |
| Gravity signal | gravity-signal | digital io | Gravity 3-pin signal connection to the microcontroller sensor expansion board for digital or analogue input modules |
+5 V · 0 V
Verify supply voltage and logic levels before powering up.
Module pins: VCC, GND. Schematik maps them to your board in the app.
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewChoose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 29 parts
Gravity: DHT11 Temperature & Humidity Sensor For Arduino visual preview
MIKROE DHT22 2 Click visual preview
MIKROE DHT22 Click visual preview
DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor visual previewDHT11, DHT22/AM2302, and DHT20/AHT20 sensors solve the same broad job, but only some are acceptable substitutes in the same circuit.
Sensors · Environment sensors · 19 parts
Gravity: DHT11 Temperature & Humidity Sensor For Arduino visual preview
Fermion: ENS160+BME280 Environmental Sensor - TVOC, eCO2, Temp & Humidity (Breakout) visual preview
MIKROE DHT22 2 Click visual preview
MIKROE DHT22 Click visual previewChoose between temperature-only, temperature/humidity, pressure and indoor air-quality modules without treating every environmental sensor as a drop-in substitute.
Sensors · Environment sensors · 8 parts
Photo cell (CdS photoresistor) visual preview
TCS3200 Color Sensor visual preview
Adafruit APDS9999 Proximity, Lux Light & Color Sensor visual preview
Adafruit AS7341 10-Channel Light / Color Sensor Breakout visual previewPhotoresistors and color sensors both respond to light, but they expose very different signals and are not sensible drop-in substitutes.
Sensors · Light & color sensors · 6 parts
| VCC | gravity-vcc | power | Gravity connector power pin; product specification lists +5 V operating voltage | +5 V |
| GND | gravity-gnd | ground | Gravity connector ground | 0 V |