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T Rex Raspberry Pi RC Car



T Rex Car Right

T Rex Car Left

Raspberry Pi 3

PAM8403 Audio Amp and Shock Spring Preloader

0.96 inch OLED screen

RGB WS2812 LED Eyes

Jaw Left showing Servo Spline

Jaw Right showing Hinge Pin

20kg MG995 Servos for Pan / Tilt Movement. 9g SG90 for jaw.

Logitech C920 Webcam Mount

Pan / Tilt Back Supports

Motor Control, Power Distribution, Servo Connections

Adafruit Motor Control and Power Close Up

2x LM2596 Switching Power Supplies and LM317 Linear Regulator

10A Brushed ESC

Fritzing Wiring Diagram

The electronics primarily consist of i2c devices

Download Frizting File

Parts List

Base Car

Lutema Hyp-R Baja RC Car (Sometimes on sale for $65) $80 Amazon.com B00LMMPF3M
Floureon 2S 7.4V 5200mAh 30C LiPo RC Battery $27 Amazon.com B06ZZ8TCNV


Raspberry Pi 3 B+ $40 Amazon.com B07BDR5PDW
Logitech C920 Webcam $60 Amazon.com B078VTYQMT
Adafruit Motor/Stepper/Servo Shield for Arduino v2.3 $20 Amazon.com B00PUTH3B0
2x Pcs RC ESC 10A Brushed Motor Speed Controller $16 Amazon.com B074VY2SFS
Sparkfun Arduino Pro Micro Atmega32U4 5V 16MHz (generics available cheaper but you should support SparkFun!) $20 Amazon.com B01B26MAR6
ADS1115 16-bit i2c 4 channel ADC (generics available cheaper but you should support Adafruit!) $16 Amazon.com B00SOY52CU
100x Pcs RGB LED WS2812B chips With White PCB $15 Amazon.com B01DC0J0WS
2x Pcs PAM8403 3W+3W DC 5V Mini Stereo Audio Amplifier $7 Amazon.com B078VTYQMT
0.96" Inch I2c IIC Serial 128x64 Oled $9 Amazon.com B00O2KDQBE
6x Pcs LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to 1.5-35V Buck Converter $10 Amazon.com B076H3XHXP


10x Pcs SG90 Micro Servo Motor Mini SG90 9g $17 Amazon.com B06WRS7PG8
4x Pcs MG995 Metal Gear High Speed Torque 12kg Servo $26 Amazon.com B00M8TXSBO

Connectors and Hardware

Adafruit Pi Model B+ Case Base - Orange ADA2250 $9 Amazon.com B00XW2ODZG
Hammond 1591STCL Translucent Polycarbonate Project Box (4.3" x 1.6" x 3.3") / (110mm x 40mm x 85mm) $12 Amazon.com B00D5T2O34
20 Gauge Silicone JST Connector, SIM&NAT 5.9 inch $8 Amazon.com B071XN7C43
Generic 4.0mm 4mm RC Model Battery Male Banana Gold Plated Bullet Connector Plug For RC Lipo Battery $8 Amazon.com B01CJMVY74
100Packs 3.9mm Brass Bullet Male & Female Wire Terminals Connector $9 Amazon.com B075T13MTM
#2-56 UNC Stainless Steel Phillips Pan Head Machine Screws Nuts Assortment Kit (#2-56UNC) $13 Amazon.com B07BWBPV5G

Misc Parts

3 watt Speaker pulled from an old pair of computer speakers

Wires, Cable Shink Tube, Headers, Resistors, Bare PCBs

470 ohm resistor for the rgb leds

3.3k ohm resistor, 10k trimpot, .1 uf capatitor, & 1uf capacitor for the lm317 circuit

There is a LM317 linear regulator with a 10k pot dialed to 4v output for the ADC

Page Revision History

2018-08-30 Published