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aircondition

A Project using TX21IT+ wireless 866Mhz sensors with RFM12 and PIC24F to control air ventilators based on absolute humidity.

attinyfancontrol

Drive an 4 pin PWM Fan using an ATtiny45 or ATTiny85 which was harder than I thought

domophone

ESP8266 remote for domophone

firefly

Own Dervivation of an electronic Firefly simulator with AVR Tiny based on a thread from http://www.mikrocontroller.net/topic/99803.

frigate2pushover

golang based Docker container to sent Frigate NVR Messages/Snapshots as Pushover Notifications

geiger-counter

Geiger-Counter to measure alpha, beta and gamma radiation Portablecounter with long lasting battery supply using minitubes. Planned Features also include USB and micro-SD Card reader to support evaluation of long term measurements. Utilized Software: Eagle PCB Layout, LTC Spice for simulations. Only HV part is finished.

homeautomation

Moteino and Node.red based Home Automation and Security System

motiondetector

Combined Motion Detector using Radar and PIR Sensor

nimhturbocharger

Some PCB Layouts for small high power charge circuits 2A to load a series of 2 or 3 NiMH akkumulators. It uses the Linear LTC4060 which is a very small device and needs only a low number of external parts.

rfm69-esp32-gateway

Example RFM69 ESP32 Gateway using mqtt over tls

smoker-pid-control

Arduino based PID and Fuzzy Controller with PT1000 temperature element and Adafruit MAX31865 RTD Sensor Breakout module to control heat in BBQ grill using a blower fan.

streamer

temp-humidity-sensor

uv-led-pcb-exposure-unit

Renesas R8C MCU UV-LED Exposure Unit for foto sensitive PCB work using Rotary Encoder and properitary 2 wire protocoll for HD44780 LCD Display based on an AVR example from Austrian CC2 Computer Club http://www.cczwei.de/atm18_downloads/ATM18_LCD.zip http://www.cczwei.de/index.php?id=atm18_download.