Raspberry Pi Dual-Band 5GHz/2.4GHZ USB WiFi Adapter with Antenna - PiShop.us
ProLights EclPanel TWCXL RGB LED Light Panel PIECLPANELTWCXL B&H
HDMI 4 Pi: 7 Display & Audio 1280x800 IPS - HDMI/VGA/NTSC/PAL : ID 1726 : $124.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Traffic Light Controller SMD Quite 37+ Modes Sequencer Board 3 Channel AC Voltage 100-240VAC 50HZ 60HZ RED Green Yellow RYG AC Light Control NO Coding Required : Industrial & Scientific