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ESP32OlcbIO Servo Extension Board

atanisoft·Esp32OlcbIO·pcb-servo/pcb-servo.kicad_pcb

ESP32OlcbIO Servo Extension Board layout, top view — open source board by atanisoft
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About the ESP32OlcbIO Servo Extension Board

ESP32OlcbIO Servo Extension Board is an open source PCB design by atanisoft, published on GitHub. It is a 2-layer board measuring 61 × 62 mm, with 33 components from 12 distinct parts.

Other key parts include the PCA9685PW and PCA9306. By type, the board carries 18 connectors, 8 resistors, 5 capacitors and 2 ICs.

It belongs with the robotics & motion designs in this gallery.

From the project

ESP32 OpenLCB IO Board

The ESP32 OpenLCB IO Board is a basic OpenLCB (LCC) node offering 14 input/output capable pins, and two that are input only. Additionally all IO pins are exposed through two 13 pin headers which allows for extending the functionality of the base board using a daughter board approach.

The ESP32 OpenLCB IO Board can be powered from an external power supply (12V) on J5 connector, or using the OpenLCB (LCC) Bus power on RJ45. To enable powering from the external supply, bridge pins 1 and 2 on JP1. To power from the OpenLCB (LCC) Bus, bridge pins 2 and 3. Note that when using the USB connector on…

ESP32OlcbIO Servo Extension Board, from the project README
From the project README

Main components on the ESP32OlcbIO Servo Extension Board

PCA9685PWPCA9306

ESP32OlcbIO Servo Extension Board bill of materials (BOM)

33 components, 12 distinct parts.

QtyPartRefs
1
PCA9685PW
U1
1
PCA9306
U2
16
PWM
J1, J2, J3, J4, J5, J6, J7, J8 +8
1
LEFT-EXT
J17
1
RIGHT-EXT
J18
1
10uF
C1
4
DNP
C2, C3, C4, C5
1
10K
R1
2
2K4
R2, R3
1
200K
R4
2
4k7
R5, R6
2
220R
RN1, RN2

ESP32OlcbIO Servo Extension Board design files

The KiCad project lives in the atanisoft/Esp32OlcbIO repository on GitHub; these links point at the commit this page was built from.

ESP32OlcbIO Servo Extension Board: common questions

How big is the ESP32OlcbIO Servo Extension Board?

The ESP32OlcbIO Servo Extension Board measures 61 × 62 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ESP32OlcbIO Servo Extension Board?

33 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the ESP32OlcbIO Servo Extension Board design files?

From the atanisoft/Esp32OlcbIO repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the ESP32OlcbIO Servo Extension Board design in my own project?

The repository has no license, so all rights stay with atanisoft. Use it as a reference, and ask the author before reusing the design.

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