continuously transmit a sinus signal

E+E EE871 Sensor CO2 Measuring principle non-dispersive infrared technology (NDIR) DC:4F:22:17:FB:35

Memsic C2120M magnetic compass sensor and home brew sound level meter

Arduino UNO + Wiznet Shield measuring temperature with KTY10-6

Weather station placed in my garden.

Weather station placed in my garden.

KTY10-6 connected to the ADC of a TS-7200 CPU board running TS-LINUX.

Geiger counter with SI39G Geiger tube

Weather station placed in my garden.

45.9 kHz RF signal strength receiver for detecting SIDs (Sudden Ionospheric Disturbances, triggered by an X-RAY burst of our Sun).

Weather station placed in my garden.