2 layers63.5 × 99.1 mm
2 layers114.2 × 98.8 mm
Sphygmomanometer
fedecastellaro/AD7124-4-Implementation5AD7124-4 - 24-Bit ADC, 4-Channel , Sigma-Delta - PCB and software implementation
- Size
- 114.2 × 98.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 36
- Nets
- 103
- Pads
- 223
- Tracks, vias
- 388, 25
- Pours
- 8
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 14 Nov 2021
- Updated
- 15 Nov 2021
Overview
Sphygmomanometer is an open-source printed circuit board by fedecastellaro, from the fedecastellaro/AD7124-4-Implementation repository on GitHub. It is a 2-layer board of 114.2 × 98.8 mm with 36 parts on 103 nets, routed with 388 tracks and 25 vias.
It is built around the LM2575-5.0WT, MP3V5050GP and LDL1117S30R. Its parts include 14 capacitors, 8 resistors, 7 ICs, 3 connectors and 1 diode. It belongs with the NXP (LPC, Kinetis, i.MX RT) boards of this library.
Main components
3
LM2575-5.0WT
TO-220-5-40℃~+85℃ 1 1A 4V~40V 52kHz 5V 5mA Buck Buck Built-in Fixed No TO-220-5 DC-DC Converters ROHSMicrochip TechnologyDC-DC Converters
MP3V5050GP
SOT-1693-40℃~+125℃ 0Kpa~50Kpa 1ms 2.7V~3.3V On-chip temperature compensation Yes SOT-1693 Pressure Sensors ROHSNXP SemiconductorsPressure Sensors
LDL1117S30R
SOT-223-4-40℃~+125℃@(Ta) 1 1.2A 18V 3V 500uA 600mV@(1.2A) 60uVrms 87dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown、Input under-voltage protection Positive SOT-223-4 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
Sphygmomanometer - Kicad Files/README.mdSphygmomanometer Design
Kicad files
This are the files of a very simple but effective Sphygmomanometer. It uses a MP3V5050GP as a pressure sensor, a 2nd order Butterworth low pass filter, a LPC1769 dev-board as uC, and a LCD 16x2 to present values.
Parts
36| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C29, C30, C32, C33 |
| 3 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C7, C8 |
| 2 | 0 | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R10, R11 |
| 2 | 10nF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C4, C5 |
| 2 | 10uF | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C34, C35 |
| 2 | 1K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4, R6 |
| 2 | 33K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2 |
| 1 | 1.0uF | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C2 |
| 1 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R5 |
| 1 | 220uF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C31 |
| 1 | 220uH | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | L1 |
| 1 | 470R | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3 |
| 1 | 470pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3 |
| 1 | AD7124 | Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm | U3 |
| 1 | AUX | Connector_Molex:Molex_KK-254_AE-6410-06A_1x06_P2.54mm_Vertical | J3 |
| 1 | Comunicacion con PC | Connector_Molex:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | J1 |
| 1 | HY1602E | Displays:WC1602A | DS1 |
| 1 | LDL1117S30R | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U7 |
| 1 | LM2575-5.0 | footprint:TO-252-5_TabPin3_arreglado | IC1 |
| 1 | LPCXPRESSO1769 | stick:LPC1769_Target_RevB | U4 |
| 1 | MBR120E5FT1G | Diode_SMD:D_SOD-123F | D2 |
| 1 | MCP6002-xSN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | MP3V5050GP | Package_SO:SOP-8 | U1 |
| 1 | NCP1117ST33T3G | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U6 |
| 1 | RESET | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | bateria | Connector_Molex:Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J2 |
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Questions
How big is the Sphygmomanometer PCB?
It measures 114.2 × 98.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Sphygmomanometer use?
36 parts, built around the LM2575-5.0WT, MP3V5050GP and LDL1117S30R. 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 Sphygmomanometer KiCad files?
From the fedecastellaro/AD7124-4-Implementation repository on GitHub, at the commit this page was made from: the board is Sphygmomanometer - Kicad Files/Sphygmomanometer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sphygmomanometer design in my own project?
Its repository states no licence, so its author keeps all rights: ask fedecastellaro before reusing the design.