SD Card MP3 Module ATtiny85 Pin 20: GND

Pin 20: GND

HC-SR505 Mini PIR Motion Sensor

This advanced controller incorporates a Passive Infrared (PIR) sensor

Data memory (RAM): 256 bytes on-chip

The sensor's output is an analog resistance

SD Card MP3 Module ATtiny85 Pin 20: GNDSD Card MP3 Module SD Card MP3 Module version of V1. 1 is an updated version of V1. 0 and has all of the functions of V1. 0. The V1. 1 has a delay by default, but if you don't need the delay, you can remove the delay in a very easy way as below: "Please don't detest the signal of "busy control", then there is no delay, it is very easy to change in the code". Please notice that we will ship an MP3 SD Card Sound Module With a Two Line Serial Control