Reserve from the case
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Reserve from the case
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
if a detected object is 20 pixels right of center
Compact Design - Enclosed switching power supply for safe
High Sensitivity to Alcohol Vapors: The MQ-3 uses a tin dioxide (SnO2) sensing element that exhibits a significant change in conductivity when exposed to alcohol
UART support
WiFi Serial Transceiver Module - ESP8266 ESP-12E 3V CR2032 Lithium Coin Battery if a detected object isWiFi Serial Transceiver Module ESP8266 ESP 12E
US$ 134.10
US$ 90.00
US$ 43.95
Pay in 4 interest-free payments of $39.88 Learn more