2 layers25.4 × 31.2 mm
Ctrl2.6Tester
OpenROV/openrov-electronics
Electronics for OpenROV. Include schematics and other diagrams
17 parts161
2 layers82.8 × 25.4 mm
IRSensorArray
Arrakark/IRSensorArray2An IR Sensor Array for ENPH 253 Robot
- Size
- 82.8 × 25.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 48
- Nets
- 25
- Pads
- 118
- Tracks, vias
- 170, 7
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 14 Jun 2018
- Updated
- 20 Aug 2018
Overview
IRSensorArray is an open-source printed circuit board by Arrakark, from the Arrakark/IRSensorArray repository on GitHub, published under the MIT licence. It is a 2-layer board of 82.8 × 25.4 mm with 48 parts on 25 nets, routed with 170 tracks and 7 vias.
It is built around the ADS7828E, HSDL-4420 and QSD124. Its parts include 18 resistors, 9 diodes, 8 transistors, 3 capacitors and 3 connectors. It belongs with the sensors and measurement boards of this library.
Main components
3
ADS7828E
TSSOP1612-Bit, 8-Channel Sampling Analog-To-Digital Converter with I2C™ InterfaceTexas InstrumentsUncategorisedHSDL-4420
插件-40℃~+85℃ 1.5V 875nm 9mW/sr@IF=50mA 插件 Infrared LED Emitters ROHSLite-OnInfrared LED Emitters
QSD124
插件-40℃~+100℃ 0.4V@0.5mA 100mW 100nA 12° 30V 880nm NPN 插件 Phototransistors ROHSonsemiPhototransistors
README
README.mdIR Sensor Array
An infra-red sensor array for detecting lines and small objects up to 15cm away.
PCB Description
Specs
- 3.3V - 6V input voltage
- Can be used with I2C fast mode using ~2k pullups (try 10k first)
- Can detect lines with high precision and speed
- Can detect objects and surfaces up to 15cm away
- Uses 4-pin JST-XH headers for power and data
- Power and data be daisychained
This project was created using KiCad 5 RC2. Use it to open and edit this design.
BOM
| "Id" | "Designator" | "Package" | "Quantity" | "Designation" | "Supplier and ref" | ||
| 1 | "MH2,MH1" | "MountingHole_3.2mm_M3" | 2 | "MountingHole_3.2mm_M3" | |||
| 2 | "C1" | "C_Disc_D5.1mm_W3.2mm_P5.00mm" | 1 | "0.1uF" | |||
| 3 | "C2" | "CP_Radial_D5.0mm_P2.00mm" | 1 | "10uF" | |||
| 4 | "C4" | "C_Disc_D5.1mm_W3.2mm_P5.00mm" | 1 | "100nF" | |||
| 5 | "D1,D2,D3,D4,D5,D6,D7,D8" | "LED_D5.0mm" | 8 | "EMITTER" | |||
| 6 | "J1" | "Measurement_Point_Round-TH_Small" | 1 | "EXT_REF" | |||
| 7 | "Q1,Q2,Q3,Q5,Q6,Q7,Q8,Q4" | "LED_D5.0mm" | 8 | "QSD124" | |||
| 8 | "R1,R2,R4,R6,R8,R10,R12,R14,R16,R18" | "R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" | 10 | "10k0" | |||
| 9 | "R3,R5,R7,R9,R11,R13,R15,R17" | "R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" | 8 | "330R" | |||
| 10 | "U1" | "TSSOP-16_4.4x5mm_Pitch0.65mm" | 1 | "ADS7828" | |||
| 11 | "J2" | "JST_XH_B04B-XH-A_04x2.50mm_Straight" | 1 | "INPUT" | |||
| 12 | "J3" | "JST_XH_B04B-XH-A_04x2.50mm_Straight" | 1 | "PASSTHRU" | |||
| 13 | "JP1" | "SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels" | 1 | "SB_0" | |||
| 14 | "JP2" | "SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels" | 1 | "REF_5V" | |||
| 15 | "JP3" | "SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels" | 1 | "SB_1" | |||
| 16 | "G***" | "rover" | 1 | "LOGO" |
Installing
Install the sensor array using two M3 screws and standoffs.
Signal Control
Use the library included with this repo to read the values of the sensors.
Use the following code to create a sensor array object:
SensorArray array1(lookup_table, I2C ID);See the header file for an example.
License
This project is licensed under the MIT License - see the LICENSE.md file for details
Acknowledgments
- Special thanks to the V2FC robot team!
Parts
48| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 10k0 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R1, R2, R4, R6, R8, R10, R12, R14, R16, R18 |
| 8 | 330R | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R3, R5, R7, R9, R11, R13, R15, R17 |
| 8 | HSDL-4420 | LEDs:LED_D5.0mm | D1, D2, D3, D4, D5, D6, D7, D8 |
| 8 | QSD124 | LEDs:LED_D5.0mm | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 |
| 2 | MountingHole_3.2mm_M3 | Mounting_Holes:MountingHole_3.2mm_M3 | MH1, MH2 |
| 1 | 0.1uF | Capacitors_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C1 |
| 1 | 100nF | Capacitors_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C4 |
| 1 | 10uF | Capacitors_THT:CP_Radial_D5.0mm_P2.00mm | C2 |
| 1 | 1N4007 | Diodes_THT:D_DO-41_SOD81_P2.54mm_Vertical_AnodeUp | D9 |
| 1 | ADS7828 | Housings_SSOP:TSSOP-16_4.4x5mm_Pitch0.65mm | U1 |
| 1 | EXT_REF | Measurement_Points:Measurement_Point_Round-TH_Small | J1 |
| 1 | INPUT | Connectors_JST:JST_XH_B04B-XH-A_04x2.50mm_Straight | J2 |
| 1 | LOGO | footprints:rover | G*** |
| 1 | PASSTHRU | Connectors_JST:JST_XH_B04B-XH-A_04x2.50mm_Straight | J3 |
| 1 | REF_5V | footprints:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP2 |
| 1 | SB_0 | footprints:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP1 |
| 1 | SB_1 | footprints:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP3 |
Questions
How big is the IRSensorArray PCB?
It measures 82.8 × 25.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the IRSensorArray use?
48 parts, built around the ADS7828E, HSDL-4420 and QSD124. 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 IRSensorArray KiCad files?
From the Arrakark/IRSensorArray repository on GitHub, at the commit this page was made from: the board is IRSensorArray.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the IRSensorArray 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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