Delta 5 Lap Timer/Race Timer (D5RT) - case for V2 PCB

thingiverse

Case for the Delta 5 lap timer case V2 PCB & Raspberry Pi 3: A Compact and Accessible Solution. The case is remarkably small, measuring just 110x110x48mm. It seamlessly integrates the official V2 PCB for up to four nodes, a powerful 40x40x10 cooling fan from Banggood, and a Raspberry Pi 3B. No extra hardware or screws are required; the bottom and top pieces snap together perfectly, as do the PCB and Raspberry Pi. Conveniently, the Arduino USB Port, Raspberry Pi Ethernet, and two USB Ports are easily accessible from outside the case. For extended functionality, two cases can be stacked together to create an 8-node system using a bracket and some necessary Arduino connection cables. When four nodes are detected, channels R1, R3, R5, and R7 are assigned, while on an 8-node setup, Raceband 1-8 (configurable in the server.py script) takes over. LiveTime retrieves the Arduino frequency from the arduino code. The top piece's fan holder is designed for a press-fit installation; if your fan has grooves on its sides, like mine do, it will fit perfectly. Alternatively, you can use the top plate without the mount and screw the fan in place. Power consumption for this setup is approximately 1.1A when running on a 3s lipo with two fully equipped V2 PCBs, a Raspberry Pi 3B+, two 12V 40mm fans, a Low Voltage Buzzer, a Voltage Display, and three step-down regulators (one each for the Raspberry, Arduino, and RX5808). For a full day of use, you'll need around 30000mAh on a 3s battery pack, 32000mAh on a 4s pack, or 25000mAh on a 6s pack.