TTGO T-Watch Robot
![TTGO T-Watch Robot trial run](/proxy/?url=https://content.instructables.com/F3F/0UKR/K10ZI4QP/F3F0UKRK10ZI4QP.jpg&filename=TTGO T-Watch Robot trial run)
This instructables shows how to turn a TTGO T-Watch to a tiny robot.
Preparation
![IMG_8769.jpg](/proxy/?url=https://content.instructables.com/FI7/P9VV/K1UYF415/FI7P9VVK1UYF415.jpg&filename=IMG_8769.jpg)
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TTGO T-Watch
http://www.lilygo.cn/prod_view.aspx?TypeId=50036&I...
2 Tiny Motors
e.g.: https://www.aliexpress.com/item/32953011103.html?a...
Motor Drive Board
e.g.: https://www.aliexpress.com/item/32831348515.html?a...
8 mm Nylon or Steel Ball
e.g.: https://www.aliexpress.com/item/32844271636.html?a...
7 mm Rubber Ring
e.g.: https://www.aliexpress.com/item/32970595236.html?a...
4 x 14 mm M2 Screws
3D Printing
![IMG_9017.jpg](/proxy/?url=https://content.instructables.com/F0Z/Z582/JYSZEIXB/F0ZZ582JYSZEIXB.jpg&filename=IMG_9017.jpg)
![IMG_9023.jpg](/proxy/?url=https://content.instructables.com/F3P/75S2/JYSZEIXE/F3P75S2JYSZEIXE.jpg&filename=IMG_9023.jpg)
Download and print the chassis at thingiverse:
Install Rubber Rings
![IMG_9035.jpg](/proxy/?url=https://content.instructables.com/FID/ZYWN/JYSZEJ0Q/FIDZYWNJYSZEJ0Q.jpg&filename=IMG_9035.jpg)
Install 7 mm rubber ring on the 3D printed wheels.
Install Wheels
![IMG_8947.jpg](/proxy/?url=https://content.instructables.com/FL2/4ED6/JYSZEIX8/FL24ED6JYSZEIX8.jpg&filename=IMG_8947.jpg)
Install wheels to the tiny motors.
Install Chassis
![IMG_8956.jpg](/proxy/?url=https://content.instructables.com/FY9/Y8JE/JYSZEIX9/FY9Y8JEJYSZEIX9.jpg&filename=IMG_8956.jpg)
![IMG_9028.jpg](/proxy/?url=https://content.instructables.com/FNZ/64BG/JYSZEIZF/FNZ64BGJYSZEIZF.jpg&filename=IMG_9028.jpg)
Install nylon balls and motors to the 3D printed chassis.
Soldering Work
![IMG_9065.jpg](/proxy/?url=https://content.instructables.com/F5N/60D9/JYSZEJ19/F5N60D9JYSZEJ19.jpg&filename=IMG_9065.jpg)
![IMG_9064.jpg](/proxy/?url=https://content.instructables.com/F7L/WMZ8/JYSZEJ18/F7LWMZ8JYSZEJ18.jpg&filename=IMG_9064.jpg)
Here are the connection summary:
Motor Drive Board IN1 -> Motor 1 pin A IN2 -> Motor 1 pin B Vcc -> T-Watch VDD3V3 GND -> T-Watch GND IN3 -> Motor 2 pin A IN4 -> Motor 2 pin B EEP -> Vcc OUT1 -> T-Watch pin 13 OUT2 -> T-Watch pin 14 OUT3 -> T-Watch pin 25 OUT4 -> T-Watch pin 26
Note: T-Watch pin 13 and 14 require soldering on FPC socket.
Assembly
![IMG_9039.jpg](/proxy/?url=https://content.instructables.com/FGH/EZXS/JYSZEJ0X/FGHEZXSJYSZEJ0X.jpg&filename=IMG_9039.jpg)
![IMG_9041.jpg](/proxy/?url=https://content.instructables.com/F9L/ZD8W/JYSZEJ10/F9LZD8WJYSZEJ10.jpg&filename=IMG_9041.jpg)
![IMG_9042.jpg](/proxy/?url=https://content.instructables.com/FWQ/Y6MC/JYSZEJ11/FWQY6MCJYSZEJ11.jpg&filename=IMG_9042.jpg)
![IMG_9043.jpg](/proxy/?url=https://content.instructables.com/FHB/YHZK/JYSZEJ14/FHBYHZKJYSZEJ14.jpg&filename=IMG_9043.jpg)
Put the T-Watch on the chassis and screw up 14 mm M2 screws.
Adjustment
![IMG_9052.jpg](/proxy/?url=https://content.instructables.com/F8A/G97T/JYSZEJ16/F8AG97TJYSZEJ16.jpg&filename=IMG_9052.jpg)
![IMG_9053.jpg](/proxy/?url=https://content.instructables.com/FCQ/LYYW/JYSZEJ17/FCQLYYWJYSZEJ17.jpg&filename=IMG_9053.jpg)
The 8 mm nylon ball may not align with the wheel at the same level. Enlarge the chassis upper hole can adjust the level.
Program
Download and program the sample code at GitHub:
https://github.com/moononournation/TTGO-T-Watch/tr...
Ref.:
Enjoy!
It's time to add your custom code to your tiny robot!
What's Next?
![IMG_9222.jpg](/proxy/?url=https://content.instructables.com/FFV/HMS2/JZ0N21EX/FFVHMS2JZ0N21EX.jpg&filename=IMG_9222.jpg)
Soldering the pins on FPC socket is not easy. TTGO is designing a motor board for building robot, hope this can release soon.