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--- en:hardware:homelab:sensor:v5 [2010/11/08 09:39] – raivo.sell
+++ en:hardware:homelab:sensor:v5 [2020/07/20 12:00] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-====== Sensors module ======
+====== Sensor module ======
 (Version 5)
-Sensors module includes the combined board of sensors, low-pass filter and external senors.
+Sensor module includes the combined board of sensors, low-pass filter and external sensors.
-Sensors module features
+Sensor module features
+  * Electret microphone
+  * Light intensity sensor (photoresistor) VT935G (resistance 18,5 kΩ on 10 lux) {{:kit:datasheets:ldr.pdf|datasheet}}
+  * Temperature sensor (thermistor NTC) (resistance 10 kΩ on 25 °C) {{:kit:datasheets:ntc10k.pdf|datasheet}}
+  * Potentiometer 10 kΩ
   * Ultrasonic distance measure sensor Devantech SRF05 with cable (measuring distance 1-400 cm) {{:kit:datasheets:srf05tech.pdf|datasheet}}
   * Infrared distance sensor Sharp GP2Y0A21YK0F (measuring distance 10-80 cm) {{:kit:datasheets:sharp_gp2y0a21yk0f.pdf|datasheet}}
-  * Light intensity sensor (photoresistor) VT935G (resistance 18,5 kΩ on 10 lux) {{:kit:datasheets:ldr.pdf|datasheet}}
-  * temperature sensor (thermistor NTC) (resistance 10 kΩ on 25 °C) {{:kit:datasheets:ntc10k.pdf|datasheet}}
-  * Potentiometer 10 kΩ
-{{:examples:sensor:sensor_board.png?300|Sensors board}}
+{{:examples:sensor:sensor_board_v5.jpg?300|Sensors board}}
 ===== Electrical connections =====
-[{{  :examples:sensor:sensor_schematics_portf.png?300|Controller module and Sensors module connection}}]
+On-board sensors are connected as follows:
+^on-board notation^external notation^on-board sensor^microcontroller port^
+|MIC|CON4|Microphone|PF0|
+|LDR|CON3|Light intensity sensor|PF1|
+|NTC|CON2|Temperature sensor|PF2|
+|POT|CON1|Potentiometer|PF3|
 ==== Sensors ====
-Every sensor on the board is connected through the multiplexer, enabling to select between on-board sensor or external sensor which can be connected to the same port through the connectors. By default all on-board sensors are connected to the analogous inputs of the microcontroller (ADC0-ADC3).
+Every sensor on the board is connected through the multiplexer, enabling to select between on-board sensor or external sensor which can be connected to the same port through the connectors. By default all on-board sensors are connected to the analogous inputs of the microcontroller (ADC0-ADC3). Multiplexer is controller with the port PG0.
-[{{  :examples:sensor:sensor_schematics_sensor.png?400  |Schematics of sensors connections}}]
+[{{:examples:sensor:multiplexer_sch.png?200|Schematics of multiplexer}}]
+[{{  :examples:sensor:sensors_sch.png?580  |Schematics of sensors connections}}]
 ==== Low-pass filter ====
@@ Line 28: / Line 37: @@
 Low-pass filter can be composed between external analogous inputs 0-3 (PF0-PF3). Resistor and capacitor will be connected to the socket for building up the low-pass filter. By default a low-pass filter is composed for the channel 0 (PF0). Resistor value is 10 kΩ and capacitor value is 100 nF.
-[{{:examples:sensor:sensor_schematics_lowpass.png?580|Schematics of low-pass filter}}]
+[{{  :examples:sensor:rc_sch.png?580  |Schematics of external sensor connections and low-pass filter}}]
-===== Connecting the module =====
-While connecting the module it is suggested to follow the order as described below. Before connecting any cable make sure that the power is removed from Controller board.
-  - Connect the Sensors module with Controller module
-  - If needed connect the external sensor(s) (check the polarity)
-  - If needed connect the User Interface module on the top of layers.
-  - If needed connect the JTAG programmer with Controller module.
-  - Connect the power supply with Controller module.
-[{{:examples:sensor:sensor_connection.jpg?580|Connecting the Sensors module}}]

en/hardware/homelab/sensor/v5.1289201966.txt.gz · Last modified: 2020/07/20 12:00 (external edit)