EnocderDriver
NikodemBartnik·Small-Projects·Encoded Motor Driver/EnocderDriver/EnocderDriver.kicad_pcb
About the EnocderDriver PCB
EnocderDriver is an open source AVR/Arduino PCB design by NikodemBartnik, published on GitHub. It is a 2-layer board measuring 84.3 × 58.4 mm, with 35 components from 26 distinct parts.
Its main chip is the ATMEGA8-16AU, from the AVR/Arduino family. Other key parts include the LM1117-5.0, LM1117-3.3 and L293D. By type, the board carries 12 capacitors, 11 connectors, 4 ICs, 3 resistors, 2 diodes and 1 crystal.
From the project
All of smaller projects (Arduino, PCBs, electronics, code)
Simple project of Arduino based encoder driver that communicates over I2C to make it easy to use motors with encoders in any Arduino based project. You can find here a source code and design files for the PCB, for more info check out my YouTube video: [](http://www.youtube.com/watch?v=zZ40o9QnoUY "")

Main components on the EnocderDriver
EnocderDriver bill of materials (BOM)
35 components, 26 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM1117-5.0 | SOT-223-3_TabPin2 | U1 |
| 1 | LM1117-3.3 | SOT-223-3_TabPin2 | U2 |
| 1 | ATMEGA8-16AU | TQFP-32_7x7mm_Pitch0.8mm | U3 |
| 1 | L293D | DIP-16_W7.62mm | U4 |
| 1 | Crystal | Crystal_SMD_5032-2pin_5.0x3.2mm_HandSoldering | Y1 |
| 1 | POWER | TerminalBlock_bornier-2_P5.08mm | J1 |
| 1 | PINS | Pin_Header_Straight_1x04_Pitch2.54mm | J2 |
| 1 | 3.3V | Pin_Header_Straight_1x03_Pitch2.54mm | J3 |
| 1 | 5V | Pin_Header_Straight_1x03_Pitch2.54mm | J4 |
| 1 | GND | Pin_Header_Straight_1x05_Pitch2.54mm | J5 |
| 1 | MOTOR1 | TerminalBlock_bornier-2_P5.08mm | J6 |
| 1 | MOTOR2 | TerminalBlock_bornier-2_P5.08mm | J7 |
| 1 | ENCODER | TerminalBlock_bornier-4_P5.08mm | J8 |
| 1 | SPI | Pin_Header_Straight_2x03_Pitch2.54mm | J9 |
| 1 | Serial | Socket_Strip_Straight_1x04_Pitch2.54mm | J10 |
| 1 | I2C | Socket_Strip_Straight_1x03_Pitch2.54mm | J11 |
| 1 | Buzzer | Buzzer_12x9.5RM7.6 | BZ1 |
| 1 | SW_Push | SW_PUSH_6mm | SW1 |
| 2 | LED | LED_1206_HandSoldering | D1, D2 |
| 4 | 10U | C_Disc_D5.0mm_W2.5mm_P2.50mm | C1, C2, C10, C11 |
Show 6 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | C | C_1206_HandSoldering | C3, C4 |
| 1 | 10u | CP_Radial_D8.0mm_P2.50mm | C5 |
| 1 | 22u | CP_Radial_D8.0mm_P2.50mm | C6 |
| 2 | 100n | C_1206_HandSoldering | C7, C8 |
| 2 | C | C_Disc_D5.0mm_W2.5mm_P2.50mm | C9, C12 |
| 3 | R | R_1206_HandSoldering | R1, R2, R3 |
EnocderDriver design files
The KiCad project lives in the NikodemBartnik/Small-Projects repository on GitHub; these links point at the commit this page was built from.
EnocderDriver: common questions
What microcontroller does the EnocderDriver use?
The EnocderDriver is built around the ATMEGA8-16AU, from the AVR/Arduino family.
How big is the EnocderDriver PCB?
The EnocderDriver measures 84.3 × 58.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the EnocderDriver?
35 components, from 26 distinct parts. The full bill of materials is listed on this page.
Where can I download the EnocderDriver design files?
From the NikodemBartnik/Small-Projects repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the EnocderDriver design in my own project?
The repository has no license, so all rights stay with NikodemBartnik. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the EnocderDriver without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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