BTA41800B 800V, 40A TRIAC TOP-3 Ins. Package Proton 3V Red SMD LED This sensor comes with 4

This sensor comes with 4 screws

they vibrate due to offset weights

The ATtiny85 based mini development board is similar to the Arduino

These are Metal Film Resistor with a value of 10M ohm 1W and tolerance of ±5%

transformerless voltage doublers

BTA41800B 800V, 40A TRIAC TOP-3 Ins. Package Proton 3V Red SMD LED This sensor comes with 4ST BTA41800B is an 800V, 40A TRIAC TOP 3 Insulated Package. The BTA41800B can enable AC switching systems up to 9 kilowatts. when used with a correctly dimensioned heatsink. It is commonly used in general purpose AC switching. The BTA41 has an insulated tab (rated as 2500V RMS). Datasheet Features High current Triac Low thermal resistance BTA41 is UL 1557 recognized components RoHS compliant packages UL 94, V0 flammability package resin compliance