2 layers178 × 145 mm
Ultra DB X51 v1
ExploreEmbedded/8051_DevelopmentBoard
Design files and sample code for 8051 development Ultra Boards
145 parts70
2 layers
Ehz sensor
e-cite/ehz-sensorCircuit, PCB and software for a 2-channel smart meter (EHZ EDL-21) sensor tool for ESP32 and Arduino UNO
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 10
- Nets
- 6
- Pads
- 44
- Tracks, vias
- 20, 8
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 1 Jan 2022
- Updated
- 1 Jan 2022
Overview
Ehz sensor is an open-source printed circuit board by e-cite, from the e-cite/ehz-sensor repository on GitHub, published under the MIT licence. It is a 2-layer board with 10 parts on 6 nets, routed with 20 tracks and 8 vias.
It is built around the BC548. Its parts include 4 resistors, 3 connectors, 2 transistors and 1 capacitor. It belongs with the sensors and measurement boards and the ESP32 and AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdEHZ Sensor
Aufbau und Funktionsweise
Schaltpläne, PCB und Software für ein 2-Kanal Smart-Meter (EHZ EDL-21) Auswerte-Tool für ESP32 und Arduino UNO.
Mit einem Infrarot (IR) Schreib-Lesekopf können die IR-Signale des Smart-Meters eingelesen werden. Eine Transistorstufe bereitet die Signale auf und invertiert diese, um als RX-Signal vom Controller verarbeitet zu werden. Der Controller parsed die empfangenen Daten und verarbeitet diese weiter.
Software
Die Schaltpläne sind mit KiCAD (https://www.kicad.org/) erstellt.
Als IDE kommt die Arduino IDE (https://www.arduino.cc/en/software/) zum Einsatz.
Hardware
Die Abmessungen des IR Schreib-Lesekopfes sind aus folgendem Projekt zu entnehmen: GitHub/e-cite/arduino-ehz-diag
Parts
10| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R1, R2, R4 |
| 2 | BC548 | Package_TO_SOT_THT:TO-92_Inline_Wide | Q3, Q4 |
| 2 | Screw-Terminal | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal | J1, J2 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
| 1 | 1µ | Capacitor_THT:CP_Radial_D4.0mm_P2.00mm | C1 |
| 1 | Buchsenleiste 20x | Connector_PinSocket_2.54mm:PinSocket_1x20_P2.54mm_Vertical | J3 |
Questions
What parts does the Ehz sensor use?
10 parts, built around the BC548. 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 Ehz sensor KiCad files?
From the e-cite/ehz-sensor repository on GitHub, at the commit this page was made from: the board is kicad/ehz-sensor.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ehz sensor 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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