2 layers33.7 × 57.8 mm
2 layers37.5 × 52.7 mm
SerialServo
DavidMFlynn/SerialServo3Packet serial to R/C servo w/ absolute encoder
- Size
- 37.5 × 52.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 56
- Nets
- 37
- Pads
- 160
- Tracks, vias
- 120, 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20200104)
- Created
- 26 Apr 2018
- Updated
- 18 Jan 2022
Overview
SerialServo is an open-source printed circuit board by DavidMFlynn, from the DavidMFlynn/SerialServo repository on GitHub. It is a 2-layer board of 37.5 × 52.7 mm with 56 parts on 37 nets, routed with 120 tracks and 2 vias.
It is built around the LM358AP and LD1085V. Its parts include 21 resistors, 13 capacitors, 8 connectors, 6 diodes and 3 switches. It belongs with the PIC boards of this library.
Main components
2
LM358AP
DIP-8-16V~-1.5V、1.5V~16V 0℃~+70℃ 2 20mA 20nA 300V/ms 3V~32V 3mV 40nV/√Hz@1kHz 50nA 700kHz 700uA 7uV/℃ 80dB DIP-8 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
LD1085V
TO-220-40℃~+125℃@(Tj) 0.003%Vout 1 1.25V~28.5V 1.5V@(3A) 30V 3A 5mA 72dB@(120Hz) Adjustable Over Temperature Protection Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdSerialServo
Packet serial to R/C servo w/ absolute encoder This is for one of my robot projects. Features: TTL Serial interface, PWM output w/ 1/2 microsecond resolution, Current sensing, Absolute encoder SPI interface. Features will be added as needed. The Rev B PCB is being printed 6/19/2018
ToDo:
Add params:
Mode 4, Gripper control, closed value, open value Move toward close until reached or max current Open to open value OpenValue = FastRevVal, CloseValue = FastRevVal Speed is used for close only Open may be greater than or less than close, RevDirFlag?
Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C1, C3, C4, C6, C7, C8, C11, C12, C14 |
| 9 | 1K0 | Resistor_SMD:R_0805_2012Metric | R2, R3, R7, R12, R14, R16, R18, R19, R20 |
| 4 | 47K | Resistor_SMD:R_0805_2012Metric | R10, R13, R15, R17 |
| 4 | Conn_01x03 | Connector_Molex:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | J4, J5, J6, J7 |
| 4 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1, D2, D3, D4 |
| 3 | SW_Push | Button_Switch_SMD:SW_SPST_FSMSM | SW1, SW2, SW3 |
| 2 | 100K | Resistor_SMD:R_0805_2012Metric | R4, R9 |
| 2 | 10K | Resistor_SMD:R_0805_2012Metric | R5, R11 |
| 2 | SMA Diode | Diode_SMD:D_SMA | D5, D6 |
| 1 | 0R200 1W | Resistor_SMD:R_2512_6332Metric_Pad1.52x3.35mm_HandSolder | R6 |
| 1 | 120R | Resistor_SMD:R_0805_2012Metric | R21 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric | C10 |
| 1 | 2.2uF | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C2 |
| 1 | 220R | Resistor_SMD:R_0805_2012Metric | R1 |
| 1 | 220uF | Capacitor_THT:CP_Radial_D8.0mm_P5.00mm | C9 |
| 1 | 4.7uF | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C5 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | Conn_01x04 | Connector_Molex:Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | J1 |
| 1 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J3 |
| 1 | Conn_01x06 | Connector_Molex:Molex_KK-254_AE-6410-06A_1x06_P2.54mm_Vertical | J2 |
| 1 | L78L05_TO92 | Package_TO_SOT_THT:TO-92L_Wide | VR1 |
| 1 | LD1085 | Package_TO_SOT_SMD:TO-263-3_TabPin2 | VR3 |
| 1 | LM358A | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | LM7805_TO220 | Package_TO_SOT_SMD:TO-263-3_TabPin2 | VR2 |
| 1 | PIC16F1847-ISO | Package_SO:SOIC-18W_7.5x11.6mm_P1.27mm | U1 |
| 1 | RRR | Resistor_SMD:R_0805_2012Metric | R8 |
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Questions
How big is the SerialServo PCB?
It measures 37.5 × 52.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SerialServo use?
56 parts, built around the LM358AP and LD1085V. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the SerialServo KiCad files?
From the DavidMFlynn/SerialServo repository on GitHub, at the commit this page was made from: the board is SerialServoPCB Rev D/SerialServo.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the SerialServo design in my own project?
Its repository states no licence, so its author keeps all rights: ask DavidMFlynn before reusing the design.