TatamiRacer is tiny autonomous driving car.
It is based on "TAMIYA MINI 4WD" kit.
You can drive on one Tatami mat space(Approximately 1.8m x 0.9m).
"DonkeyCar" software is available for deep-learning and self-driving control.

YouTube

TatamiRacer

TatamiRacer at Maker Faire Tokyo 2022

Bills of materials(BOM)

Parts Name	Remarks	Minimum Configuration	Recommend Configuration	Amazon-JP	Amazon-US
Raspberry Pi 3 Model B+		+		Link	Link
Raspberry Pi 4	Select 2,4 or 8GB RAM		+	Link	Link
Raspberry Pi Camera Module V1	OV5647(Omnivision)	+		Link	Link
Raspberry Pi Camera Module V2	IMX219PQ(SONY)		+	Link	Link
Micro SD Card	16GB or more	+	+	Link	Link
Mobile Battery	Size:6.2x9.15x1.15cm Voltage:5V Current:Up to 2A	+	+	Link	Link
Motor Driver Module	For DC Motor/H-Bridge	+	+	Link	Link
Pin Headder	Male 90deg / For Motor Dirver	+	+	Link	Link
130 DC Motor	Low Speed (<8000 RPM) and Low Current(<500m A)	+	+	TAMIYA,uxcell	Link
Micro Servo	TowerPro SG90	+	+	Link	Link
TAMIYA Mini 4WD Kit	VZ Chassis and Your Favorite Body. Select Gear Rate 3.5:1 or 5:1 (Recommend 5:1 Gear )	+	+	TOYOTA Yaris, Honda e, Dual Ridge Jr, Elephant, Penguin	Neo-VQS
TAMIYA Gear Set	If you need 5:1			Link	Link
TAMIYA Mini 4WD Roller parts	Need Spacer and M2x10 screws	+	+	15381, 95391,15435
M2x15 or M2x16 mm bolt	For front wheel shaft	+	+	15508, 15233	Link
TAMIYA MINI4WD 72mm Shaft	For Extended Rear Shaft	+	+	Link	Link
Jumper Cable	Female connector to Female connector 10cm	+	+	Link	Link
USB Cable	Short cable about 15cm / RasPi3:Micro USB, Rasp4:Type-C	+	+	Micro USB Type-C	Micro USB Type-C
Micro USB to Type-C Adaptor	For Micro USB cable with RasPi4		+	Link	Link
Gamepad	USB or Bluetooth		+	F710, PS4 Gamepad	F710, PS4 Gamepad

Approximate cost (without Raspberry Pi and micro SD card)		6,000 yen	13,000 yen