ESP32 + x2 PCA9685 + Integrated PWM

X40 Haptic Vest

X40 Haptic Vest with 3V/5V vibro motors, optionally powered by LiPo battery

Warning
Disclaimer: This design is a functional prototype, not a complete product. There is absolutely no warranty, and you will make this design at your OWN risk. I will not be responsible for any damages associated with this design.

Compatible Devices

• TactSuit X40, Tactot

Guides:

• Build Guide by ProBendingVR

Bill of materials

Component	Quantity	Price	Link
ESP32-DevKitC	x1	~US $1.3	n/a
PCA9685 PWM Driver	x2	~US $3.0	n/a
ULN2803A	x5	~US $0.3	n/a
3V/5V Vibro Motors	x40	~US $1.1	n/a
TP4056 (Optional)	x1	~US $0.3	n/a
MT3608 (Optional)	x1	~US $0.4	n/a
LiPo Battery (Optional)	x1	~US $7.0	n/a
MAX17043 or MAX17048 Fuel Gauge (Optional)	x1	~US $5	n/a

Schematic

Required Pins

• SDA: 21
• SCL: 22
• PWA pins: 32, 33, 25, 26, 27, 14, 13

Wiring Diagram