Product Quantity Subtotal ISD1820 Recording Module Voice Board With On Board Mic and Loud Speaker $1.82 ISD1820 Recording Module Voice Board With On Board Mic and Loud Speaker quantity × $1.82 ISD1820 Recording Module Voice Board With On Board Mic and Loud Speaker quantity $1.82 HC-SR04-Ultrasonic Range Finder $0.46 HC-SR04-Ultrasonic Range Finder quantity × $0.46 HC-SR04-Ultrasonic Range Finder quantity $0.46 PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor $5.76 PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor quantity × $5.76 PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor quantity $5.76 GY-31 TCS3200 Color Sensor Module $5.20 GY-31 TCS3200 Color Sensor Module quantity × $5.20 GY-31 TCS3200 Color Sensor Module quantity $5.20 TTL FTDI Transmitter USB For 3.3V/5V Dual power FT232RL MWC Programmer $1.08 TTL FTDI Transmitter USB For 3.3V/5V Dual power FT232RL MWC Programmer quantity × $1.08 TTL FTDI Transmitter USB For 3.3V/5V Dual power FT232RL MWC Programmer quantity $1.08 Coupon: Apply coupon Update cart Cart totals Subtotal $14.32 Total $14.32 — OR — Proceed to checkout