Recyclobot main
jeff4444·kicad-projects·recyclobot/motherboard/recyclobot_main.kicad_pcb
About the Recyclobot main PCB
Recyclobot main is an open source PCB design by jeff4444, published on GitHub. It is a 2-layer board measuring 56 × 47 mm, with 10 components from 8 distinct parts.
Other key parts include the HT12D, L293D and LM78L05_TO92. By type, the board carries 4 connectors, 3 ICs, 2 resistors and 1 diode.
It belongs with the robotics & motion designs in this gallery.
From the project
The main motor driver PCB for the Recyclobot, featuring the L293D quadruple half-H motor driver IC.
The main motor driver PCB for the Recyclobot, featuring the L293D quadruple half-H motor driver IC.
This board is the central control unit for the Recyclobot project. It receives wireless commands from the remote controller and drives DC motors to move the robot. The L293D provides bidirectional control for two DC motors with built-in protection diodes.
- L293D Quadruple Half-H Motor Driver IC - Dual full-bridge configuration for 2 motors - Bidirectional motor control (forward/reverse) - Built-in flyback diodes - Separate logic and motor supply voltages

Main components on the Recyclobot main
Recyclobot main bill of materials (BOM)
10 components, 8 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | HT12D | SOP-20_7.5x12.8mm_P1.27mm | U1 |
| 1 | L293D | DIP-16_W7.62mm | U2 |
| 1 | LM78L05_TO92 | TO-92_Inline | U3 |
| 3 | Conn_01x02_Socket | PinSocket_1x02_P2.54mm_Vertical | J1, J2, J3 |
| 1 | Conn_01x04_Socket | PinSocket_1x04_P2.54mm_Vertical | J4 |
| 1 | LED | LED_D5.0mm | D1 |
| 1 | 33K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
Recyclobot main design files
The KiCad project lives in the jeff4444/kicad-projects repository on GitHub; these links point at the commit this page was built from.
Recyclobot main: common questions
How big is the Recyclobot main PCB?
The Recyclobot main measures 56 × 47 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Recyclobot main?
10 components, from 8 distinct parts. The full bill of materials is listed on this page.
Where can I download the Recyclobot main design files?
From the jeff4444/kicad-projects repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Recyclobot main design in my own project?
The repository has no license, so all rights stay with jeff4444. Use it as a reference, and ask the author before reusing the design.
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