3. Masawo Yamazaki (tomorrow56)
- Hardware engineer (Electronic circuit design)
- PC monitor and TV design in Japan
- Currently: Evaluation at semiconductor manufacturers
4. ↑
I am designing a development board with this name
↑
Uno shaped ESP32 breakout board
https://www.switch-
science.com/catalog/3456/
↑
IR & Servo shield for Arduino Pro Mini USB Host Shield for Arduino Pro Mini
Web: https://thousandiy.wordpress.com/
Facebook: https://www.facebook.com/thousandiy/
8. Design target
• Use common devices in Arduino
• Making as cheap as possible
• Can stack with 3 types of my Shield
• USB Host Shield (SPI)
• Motor Driver Shield (6pin digital)
• Servo Shield (I2C)
12. 2ch Motor Driver Shield for M5Stack
•H-Bridge Driver: L293D (TI compatible)
Motor Power Select
Internal or External
LiPo Battery
Connector
Battery SW
External Battery
connector
Motor connector
13. 2ch Motor Driver Shield for M5Stack
Use Strapping pin
for Enable
14. Demo: Spider Robot with BLE Control
https://twitter.com/i/status/1023463396920840192
15. 10ch Servo Shield for M5Stack
•PWM Driver: PCA9685 (NXP compatible)
Motor Power Select
Internal or External
LiPo Battery
Connector
Battery SW
External Battery
connector
10 Servo connectors
18. Additional Information
I will sell the USB Host Shield at Switch Science market place
from the end of August and support site is open.
https://thousandiy.wordpress.com/2018/06/16/usb-host-for-m5stack/
19. USH Host Shield for M5Stack
•USB Host Chip: MAX3421E (MAXIM Integrated)
LiPo Battery Connector
Battery SW
USB STD-A connector
The revised board was finished and it was
confirmed that one operation was completed.