diff --git a/Supported-sensors.md b/Supported-sensors.md
index e3bd68ae..42e3c386 100644
--- a/Supported-sensors.md
+++ b/Supported-sensors.md
@@ -3,6 +3,7 @@
## Adding sensors
*(written for D1 mini but majority of information applies to other devices)*
+- [A4988 Stepper Motor Controller](A4988-Stepper-Motor-Controller)
- ADS1x15 A/D Converter (I2C)
- [**AM312**](Wemos-D1-Mini-and-AM312-PIR-Motion-Sensor) PIR Motion Sensor
- [**Broadcom Avago APDS-9960**](APDS-9960) Ambient Light, RGB Color and Proximity Sensor with Gesture Detection