new pin-out with UV LED

diff --git a/pins.txt b/pins.txt
index ae2b6f6a02c5b6e61769acbfa8be9ee3fdd95f57..9e47666e44da67e3046a642eeca2110a1273e465 100644 (file)
--- a/pins.txt
+++ b/pins.txt
@@ -1,79 +1,98 @@
-     (MOSI/DI/SDA/!OC1A/PCINT8) PB0 MOSI,LED1   SENSE1+ PA0 (ADC0/DI/SDA/PCINT0)
+ATTiny 861A pin assignment
+==========================
+     (MOSI/DI/SDA/!OC1A/PCINT8) PB0 MOSI,LED4   SENSE1+ PA0 (ADC0/DI/SDA/PCINT0)
           (MISO/DO/OC1A/PCINT9) PB1 MISO,PWM1  SENSE12- PA1 (ADC1/DO/PCINT1)
-   (SCK/USCK/SCL/!OC1B/PCINT10) PB2 SCK,LED2    SENSE2+ PA2 (ADC2/INT1/USCK/SCL/PCINT2)
-                 (OC1B/PCINT11) PB3 PWM2            SW2 PA3 (AREF/PCINT3)
+   (SCK/USCK/SCL/!OC1B/PCINT10) PB2 SCK,LED5    SENSE2+ PA2 (ADC2/INT1/USCK/SCL/PCINT2)
+                 (OC1B/PCINT11) PB3 PWM2           LED6 PA3 (AREF/PCINT3)
                                 VCC                     AGND
                                 GND                     AVCC
-(ADC7/!OC1D/CLKI/XTAL1/PCINT12) PB4 LED3         SENSE5 PA4 (ADC3/ICP0/PCINT4)
- (ADC8/OC1D/CLKO/XTAL2/PCINT13) PB5 PWM3        SENSE3+ PA5 (ADC4/AIN2/PCINT5)
-         (ADC9/INT0/T0/PCINT14) PB6 SW1        SENSE34- PA6 (ADC5/AIN0/PCINT6)
-          (ADC10/RESET/PCINT15) PB7 RST         SENSE4+ PA7 (ADC6/AIN1/PCINT7)
-
-
-Lights:
-1 - front light
-2 - rear spotlight
-3 - rear LED strip
-
-PWM1
-PWM2
-PWM3
-SENSE1 - light 1
-SENSE2 - light 2
-SENSE3 - light 3
-SENSE4 - ambient light sensor
-SENSE5 - battery voltage sense
-SW1 - mode switch
+(ADC7/!OC1D/CLKI/XTAL1/PCINT12) PB4 SW2            LED7 PA4 (ADC3/ICP0/PCINT4)
+ (ADC8/OC1D/CLKO/XTAL2/PCINT13) PB5 PWM3         SENSE3 PA5 (ADC4/AIN2/PCINT5)
+         (ADC9/INT0/T0/PCINT14) PB6 SW1          SENSE4 PA6 (ADC5/AIN0/PCINT6)
+          (ADC10/RESET/PCINT15) PB7 RST          SENSE5 PA7 (ADC6/AIN1/PCINT7)
+
+
+Components
+==========
+PWM1 LED1 rear spotlight: step-down, differential SENSE1
+PWM2 LED2 rear LED strip: step-up,   differential SENSE2
+PWM3 LED3 front light:    step-down, single-ended SENSE3, inverted stride
+
+SENSE4 - ambient light sensor,   single-ended
+SENSE5 - battery voltage sensor, single-ended
+
+LED4 - status LED (green)
+LED5 - error LED (red)
+
+LED6 - speedometer illumination LED
+LED7 - front UV LED
+
+SW1 - on/off; mode switch
 SW2 - temporary light boost or whatever
-LED1 - speedometer illumination LED
-LED2 - status LED
-
-
-ADC
-single-ended resolution:
-0.00107 V .. 1.1 V
-differential resolution 8x gain:
-0.00013 V .. 0.1375 V
-differential resolution 20 gain:
-0.000054 .. 0.055 V
-differential resolution 32x gain:
-0.000036 .. 0.03438 V
+
+
+ADC Gain
+========
+single-ended resolution:          0.001074 V .. 1.1000 V
+differential resolution  8x gain: 0.000134 V .. 0.1375 V
+differential resolution 20x gain: 0.000054 V .. 0.0550 V
+differential resolution 32x gain: 0.000036 V .. 0.0344 V
+
 analog input resistance 100 MOhm
 
-LED current sense, 0.033R sensing resistor:
-                       min gain max gain
-   20 mA => 0.00066 V               8x
+
+PWM LED current sense
+=====================
+0.033R sensing resistor:
+                       max gain    min gain
+   20 mA => 0.00066 V              8x
   100 mA => 0.0033 V
   150 mA => 0.0050 V
-  300 mA => 0.0099 V
-  350 mA => 0.0116 V
-  700 mA => 0.0231 V
- 1000 mA => 0.0330 V   32x
- 1500 mA => 0.0495 V   20x         0.0495 W
- 2000 mA => 0.0660 V    8x         0.066 W
- 3000 mA => 0.0990 V    8x         0.1 W
+  300 mA => 0.0099 V               Power burned at sensing resistor:
+  350 mA => 0.0116 V               0.004 W
+  700 mA => 0.0231 V               0.016 W    
+ 1000 mA => 0.0330 V   32x         0.033 W
+ 1500 mA => 0.0495 V   20x         0.074 W
+ 2000 mA => 0.0660 V    8x         0.132 W
+ 3000 mA => 0.0990 V    8x         0.297 W
 
 Battery sense
+=============
 range 5-15 V
-1.5M..15k
-cca 10  uA @15V
-    3.3 uA  @5V
-
-Ambient light sense
-20 lx -- cca 333 kOhm
-200 lx -- cca 35 kOhm
+1.5M..100k
 
-lx:
-1lx == full moon
-400 lx == sunset/sunrise
-10 klx == full daylight
+voltage    current   sense voltage
+15V:       9.3 uA    0.94 V 
+12V:       7.5 uA    0.75 V
+ 5V:       3.1 uA    0.31 V
 
-need probably 1-1k lux scale
-
-Photodiode:
+Ambient light sensor
+====================
 5 V, 1M5 resistor + photodiode: voltage at the photodiode
 darkness: 3.71 V => 4.31 MOhm
 bathroom without lights, only outside lights: 3.68 V => 4.18 MOhm
 kitchen light: 3.29 V => 2.89 MOhm
 bathroom halogen lights 0.02 V => 6 KOhm
 battery light: 0.01 V => 3 KOhm
+
+Use 1M5 main resistor + 300K sensing resistor, 1.1V single-ended sense
+
+Expected         voltage     ADC readings
+darkness:        0.244 V     226.8
+bathroom:        0.249 V     231.8
+kitchen light:   0.318 V     296.2
+halogen light:   0.831 V     773.1
+battery light:   0.832 V     774.5
+
+Plain LEDs
+==========
+@5 V source
+20 mA/3V: 100 R resistor
+20 mA/2V: 150 R resistor
+ 2 mA/2V: 1K5 resistor
+
+Battery idle current
+====================
+2000 mAh: 1.0 mA -> 83 days capacity
+2000 mAh: 0.1 mA -> 833 days capacity
+