2 layers
2 layers41.9 × 45.7 mm
Capacity sensor
dzavalishin/hardware3Misc smart house hardware
- Size
- 41.9 × 45.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 46
- Nets
- 31
- Pads
- 119
- Tracks, vias
- 246, 11
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 25 Oct 2017
- Updated
- 11 Oct 2023
Overview
Capacity sensor is an open-source printed circuit board by dzavalishin, from the dzavalishin/hardware repository on GitHub. It is a 2-layer board of 41.9 × 45.7 mm with 46 parts on 31 nets, routed with 246 tracks and 11 vias.
It is built around the 74HC74D, 74HCT14D and ICM7555N, with the TP1 among its other parts. Its parts include 13 capacitors, 11 resistors, 6 connectors, 5 diodes and 4 ICs. It belongs with the sensors and measurement boards of this library.
Main components
4
74HC74D
SOIC-14-40℃~+125℃ 1 15ns 2 2V~6V 3.5pF 37ns@6V,50pF 3ns、3ns、3ns 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSNexperiaFlip Flops74HCT14D
SOP-14-40℃~+125℃ 1 1.9V~2.1V 2uA 34ns@4.5V,50pF 4.4V 4.5V~5.5V 400mV 4mA 4mA 500mV~600mV 6 74HCT Schmitt trigger SOIC-14 Inverters ROHSNexperiaInverters
ICM7555N
DIP-8-40℃~+85℃ 1 30uA 4.5V~15V Adjustable duty cycle oscillation DIP-8 555 Timers / Counters ROHSHGSEMITimers / CountersTP1
-- Test leads ROHSFLUKEUncategorised
README
README.mdhardware
Misc smart house hardware, kicad designs.
Parts
46| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 0,1 | Capacitors_SMD:C_0805_HandSoldering | C1, C7, C8, C9, C10 |
| 5 | 1k | Resistors_SMD:R_0805_HandSoldering | R1, R2, R5, R7, R8 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | MH1, MH2, MH3, MH4 |
| 2 | 0,33 | Capacitors_SMD:C_0805_HandSoldering | C12, C13 |
| 2 | 10,0 | Capacitors_Tantalum_SMD:CP_Tantalum_Case-A_EIA-3216-18_Hand | C5, C11 |
| 2 | 10k | Resistors_SMD:R_0805_HandSoldering | R3, R6 |
| 2 | 1N4148 | Diodes_SMD:D_1206 | D2, D3 |
| 1 | 10,0 | Capacitors_Tantalum_SMD:CP_Tantalum_Case-B_EIA-3528-21_Hand | C6 |
| 1 | 100 | Resistors_SMD:R_0805_HandSoldering | R10 |
| 1 | 10pF | Capacitors_SMD:C_0805_HandSoldering | C3 |
| 1 | 1N4148 | Diodes_SMD:D_PowerDI-123 | D5 |
| 1 | 200 | Resistors_SMD:R_2512_HandSoldering | R11 |
| 1 | 2N2222 | TO_SOT_Packages_SMD:SOT-23_Handsoldering | Q1 |
| 1 | 2k | Resistors_SMD:R_0805_HandSoldering | R4 |
| 1 | 2n2 | Capacitors_SMD:C_0805_HandSoldering | C2 |
| 1 | 4,7pF | Capacitors_SMD:C_0805_HandSoldering | C4 |
| 1 | 50k | Potentiometers:Potentiometer_Trimmer_Suntan_TSR-3386C_Vertical | RV2 |
| 1 | 5k6 | Resistors_SMD:R_0805_HandSoldering | R9 |
| 1 | 74HC74 | Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm | U3 |
| 1 | 74HCT14 | Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm | U2 |
| 1 | ICM7555 | Housings_DIP:DIP-8_W7.62mm | U1 |
| 1 | Jumper_NO_Small | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
| 1 | L78L05_SOT89 | TO_SOT_Packages_SMD:SOT89-3_Housing | U4 |
| 1 | Out | LEDs:LED_1206_HandSoldering | D1 |
| 1 | Pwr | LEDs:LED_1206_HandSoldering | D4 |
| 1 | Pwr/Out | Connectors_Terminal_Blocks:TerminalBlock_Altech_AK300-3_P5.00mm | J7 |
| 1 | Sensor | Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm | J2 |
| 1 | TP1 | Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm | J1 |
| 1 | TP2 | Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm | J3 |
| 1 | TP3 | Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm | J4 |
| 1 | TP4 | Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm | J6 |
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Questions
How big is the Capacity sensor PCB?
It measures 41.9 × 45.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Capacity sensor use?
46 parts, built around the 74HC74D, 74HCT14D, ICM7555N and TP1. 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 Capacity sensor KiCad files?
From the dzavalishin/hardware repository on GitHub, at the commit this page was made from: the board is _Sensors/capacity_sensor_smd/capacity_sensor.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Capacity sensor design in my own project?
Its repository states no licence, so its author keeps all rights: ask dzavalishin before reusing the design.