2 layers
Schematics
achkoe/pt1000thermometer
An electronic temperature measurement using a PT1000 resistor.
22 parts
2 layers100 × 50 mm
PTDriver
wallaceowen/PTDriver1Signal conditioning PT100 sensors for use with standard thermistor inputs on 3D printer control boards
- Size
- 100 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 67
- Nets
- 64
- Pads
- 234
- Tracks, vias
- 539, 99
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 20 Sep 2021
- Updated
- 24 Sep 2021
Overview
PTDriver is an open-source printed circuit board by wallaceowen, from the wallaceowen/PTDriver repository on GitHub, published under the MIT licence. It is a 2-layer board of 100 × 50 mm with 67 parts on 64 nets, routed with 539 tracks and 99 vias.
It is built around the ATMEGA328-PU, MAX31865AAP+ and MCP602-I/P. Its parts include 23 resistors, 19 capacitors, 10 connectors, 8 ICs and 1 switch. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATMEGA328-PU
PDIP-28-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH PDIP-28 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
MAX31865AAP+
SSOP-20-40℃~+125℃ 1 1.5mA 15 1LSB 3V~3.6V Digital filtering SPI Sensor Conditioner Sigma-Delta SSOP-20 ADCs/DACs - Special Purpose ROHSMaxim Integrated (Analog Devices)Temperature Sensors
MCP602-I/P
PDIP-8-40℃~+85℃ 1pA 1pA 2 2.3V/us 2.5uV/℃ 2.7V~6V 2.8MHz 22mA 230uA 29nV/√Hz@1kHz 700uV 90dB Built-in compensation、ESD protection Rail-to-rail output PDIP-8 Operational Amplifier ROHSMicrochip TechnologyOperational Amplifier
README
README.mdPTDriver
Signal conditioning PT100 sensors for use with standard thermistor inputs on 3D printer control boards
The schematic
The board (KiCAD rendering)
Parts
67| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C1, C6, C7, C8, C9, C10, C14, C16, C17, C18, C19 |
| 8 | 10K | Resistor_SMD:R_0603_1608Metric | R1, R5, R6, R7, R8, R9, R10, R18 |
| 4 | 10k | Resistor_SMD:R_0603_1608Metric | R11, R12, R20, R21 |
| 3 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C11, C12, C13 |
| 2 | 100 | Resistor_SMD:R_0603_1608Metric | R14, R22 |
| 2 | 100k | Resistor_SMD:R_0603_1608Metric | R15, R16 |
| 2 | 10uF 12V | Capacitor_SMD:C_2220_5650Metric | C2, C3 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric | C4, C5 |
| 2 | 3-wire PT100 probe | TerminalBlock_4Ucon:TerminalBlock_4Ucon_1x03_P3.50mm_Vertical | J4, J8 |
| 2 | 3.9K | Resistor_SMD:R_0603_1608Metric | R2, R3 |
| 2 | 402K 0.1% | Resistor_SMD:R_0805_2012Metric | R4, R19 |
| 2 | 5k | Resistor_SMD:R_0603_1608Metric | R13, R23 |
| 2 | MAX31865 | weo_footprints:SOP20_max | U4, U6 |
| 2 | MCP4725 | Package_TO_SOT_SMD:SOT-23-6_Handsoldering | U3, U7 |
| 2 | MCP602 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U5, U8 |
| 2 | MountingHole_3.2mm_M3_DIN965_Pad | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | M3, M3 |
| 2 | Vout | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2, J9 |
| 1 | 330nF | Capacitor_SMD:C_0805_2012Metric | C15 |
| 1 | 50k | Resistor_SMD:R_0603_1608Metric | R17 |
| 1 | 8MHz | Crystal:Crystal_HC18-U_Vertical | Y1 |
| 1 | AP1117-33 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | ATmega328P | Package_QFP:TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | Conn_02x03_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J6 |
| 1 | Heaters | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J10 |
| 1 | LOGO | weo_footprints:mit_logo | G*** |
| 1 | Power | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Rotary_Encoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC12E-Switch_Vertical_H20mm_CircularMountingHoles | SW1 |
| 1 | display | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J7 |
| 1 | serial port | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J3 |
The 65 most common of 67 parts.
Questions
How big is the PTDriver PCB?
It measures 100 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PTDriver use?
67 parts, built around the ATMEGA328-PU, MAX31865AAP+ and MCP602-I/P. 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 PTDriver KiCad files?
From the wallaceowen/PTDriver repository on GitHub, at the commit this page was made from: the board is ptdriver.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the PTDriver design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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