So for those that aren't familiar with the Smart PWM 2.0 board here are the specs so you all know just how badass this mod is!
Smart PWM v2 Manual
The Smart PWM V2 (by Mark Mathis [
www.voltrove.com]) board has many extra features over a bare-bones PWM. Features include lock/unlock, 10 second fire timeout, low battery warning, low voltage cutoff, reverse polarity and a “regulated” mode to provide a consistent vape throughout the battery life of the batteries (even after you swap batteries).
Input voltage: 2S (8.4v) / 3S (12.6v)
Output voltage: Adjustable between 0-100% loaded battery voltage
Idle Current: ~3ma typical with a 10k pot @ idle (33ma max while firing)
Reverse polarity protection: Yes
VOLTAGE INPUT
The Smart PWM V2 board can be used with 2S (8.4v) or 3S (12.6v) input maximum. The micro-controller automatically detects the input voltage and will change settings according to the input voltage. The stock Smart PWM board V2 will be damaged with 4s or above input voltages.
IDLE DRAIN CURRENT
The Smart PWM V2 board has a typical idle drain of ~3ma. It’s not recommended to leave batteries in the mod for a long period of time unattended (especially with a low charge level), or the batteries can be damaged by over discharging them.
INDICATOR INFO
Your Mod's indicator is the LED located in the upper inside corner of the enclosure. It will illuminate when the mod is fired (unless locked), and it will provide feedback information from the board. Please read this manual entirely so that you know this boards features and understand what these feedback flashes mean.
MODES & FEATURES
LOCK MODE
The Smart PWM board V2 can lock to prevent the mod from accidental firing. Pressing the fire switch 3 times within 1 second will lock/unlock the mod. Lock/unlock will be indicated by the indicator flashing 4 times.
FIRE TIMEOUT
When unlocked, the mod will lock if it’s fired for longer than 10 seconds or longer. It can be unlocked by pressing the fire switch 3 times within 1 second.
REGULATED MODE
By default, the Smart PWM board V2 is in unregulated mode. It can be used just like any 555 timer or similar PWM mod. You can adjust the output up and down with the pot, but as your battery dies, the output voltage will also decrease. To achieve a consistent output voltage throughout the charge of the battery, the board utilizes a special regulated mode. After set, the board will automatically adjust the duty cycle up as it needs to so it can maintain the desired output voltage. It also keeps this setting after you swap batteries.
When in unregulated mode and after you have your vape dialed in, you can lock the output and turn on regulated mode by locking the mod (4 blinks from the indicator) and holding the fire switch for 3.5 seconds. The mod will indicate that the setting has been saved and the regulated mode has been turned on by flashing the indicator 3 times quickly.
To turn the regulated mode off, follow the same procedure. The indicator will blink 1 time indicating the regulated mode is off.
LOW BATTERY WARNING / LOW VOLTAGE CUTOFF
It’s always a good idea to monitor your battery voltage, but the Smart PWM board V2 can warn you when the battery voltage is getting low, and even stop it from firing when the battery voltage is too low! (All the voltages are based on the loaded voltage reading.) When the battery voltage is low and the mod is firing, the indicator will stay solid for 1 second and turn off for 100ms, then repeat that cycle.
When the battery voltage is lower than the cutoff voltage, the mod won’t fire and the indicator will blink 7 times quickly to let you know the battery voltage is below the cutoff. Keep in mind that there will still be ~3ma of idle drain, so at that point it’s a good idea to remove the batteries to avoid over-discharging them.
The Smart PWM V2 board has different settings for the low battery warning and low voltage cutoff modes to accommodate LiOn and LiPo cells in both the 2s and 3s configurations. Your mod will come preset in LiPo mode. If for some reason you ever need to change it to LiOn or verify which mode you're on, see “How to change the low battery warning and cutoff mode” below.
The low battery warning and cutoff voltages are as follows:
2S LiPo
Warning = 7.0v
Cutoff = 6.6v
3S LiPo
Warning = 10.5v
Cutoff = 9.9v
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