alexmohr / home_automation_plattform

PCB and schematic for my personal home automation plattform

Home automation plattform

PCB and schematic for my personal home automation plattform. Contains temperature sensor, LDR, 433Mhz, 836Mhz, Infrared led, Infrared input. It provides an easy way to turn a raspberry pi into a home automation centre, when used together with home assistant.

Made for raspberry pi 3 with ♥

Used devices

CC1101

BME280

2TN2222A

Infrared LED

Generic 433Mhz Transmitter

Not linked:

• 10k Ohm resistor
• 0.22 Farad Capacitor ( because basically it is redicously too large but was lying arround. Any other 5V capacitor will do just fine. The light threshold must be adjusted acordingly )

See https://github.com/alexmohr/raspberrypi-mqtt-light-sensor

home_automation_plattform's Issues

Replace light dependent resistor

The ldr should be replaced with a digital module to get better precision.

Capacitor

Add capacitor with smaller footprint

Verify Spacing

Verify that all spacing is correct so version 2 can be manufatured.

433mhz tx

pins should be changed so pin1 is ground.

temperature module

verfify spacing and correct wrong pinout

Add version text

The layout is missing a text to indicate which version it is

Missing resistor

Prototype has resistor at emitter (?) Of transitor. Probably to protect LEDs. Check if it should be added to PCB.

433mhz modules vcc

The voltage for these modules must be 5v not 3.3v

Replace tsop38xx with tsop4838

pinout is different