Dobrica Pavlinušić's random unstructured stuff
DSM501A: Revision 6
EF10016-DSM501[1].pdf

5V, 90mA

1 minute stabilization after power up

sum time of low (0.7v) for measurement interval, divide by time

PINOUT I/O DESCRIPTION

Pin number Pin name Description
#1 Control Vout 1 control
#2 Vout 2 Vout 2 output factory calibrated PWM output for density of particles over 1 �m.
#3 Vcc Positive power supply DC 5V
#4 Vout 1 Vout 1 output (PWM)
#5 GND Ground

dms501-5pins.png

control pin 1

resistor between pin 1 and ground (square pin on board) to control vout 1 output (pin 4)

Resistor value Description
open Preset sensitivity (over 2.5 �m)
47K Half sensitivity (over 1.75 �m)
18.2K Equal sensitivity of Vout 2 (over 1 �m)