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X708-Hardware

3,465 bytes added, 1 March
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{{GD Template Impl}}
[[File:X708-V12-IMG-9489-interface-2.jpg]]
 
4-Pin Function Header for X708 V1.2
 
[[File:X708-V12-IMG-9481-01.jpg|X708 Jumper Function]]
 
[[File:X708-fn.jpg|none]]
<span style="color:# 5671B0;font-size:200%;">❶</span> Power Jack and Connectors
{| class="wikitable"
! | Power input || 5Vdc +/- 5% , ≥3A
|-
| DC Power Plug Size || 5.5*2.5mm
| USB power in socket || Type-C
|-
| UPS power output || 5.1Vdc 8A(Max.)
|-
| Power output connector || 2-pin XH2.54mm 2pin*2
|}
* Don't power the Raspberry Pi via the Pi's type-C USB socket
* X708 can be powered via the onboard DC jack or Type-C USB power socket
 
<span style="color:#5671B0;font-size:200%;">❷</span> 6-Pin Function Header for X708 V1.0
{| class="wikitable"
| AON
(Auto power-on)
Pin 3&4 ||
* Short - Auto power-on when power applied <span style="color:red;">(Will delay 3 seconds before powering on)</span>
* Open - Auto power-on disabled
| ASD
(Auto shutdown)
Pin 5&6 || *<span style="color:red;">NOTE: ASD fundtion is removed on V1.2 version,but you can achieve this function through software programming.</span>
* Short - Automatic shutdown enabled when battery low (≤3Vdc )
* <span style="color:red;">Procedure to enable ASD function --IMPORTANT</span>
1. Battery voltage must be >3Vdc 2. Insert the battery into the holder 3. Wait 3 seconds then insert the jumper 4. If the jumper inserted before battery, remove battery & jumper then repeat step 1, 2 and 3.* Open - Automatic shutdown disabled|} <span style="color:#5671B0;font-size:200%;">❸</span> How to connector external power switch {| class="wikitable"! Pin No. !! Pin Description|-| 1 || Power on/off control connecting to switch|-| 2 || Ground|-| 3 || Ground|-| 4 || LED+ for power on, rebooting and shutdown|} <span style="color:#5671B0;font-size:200%;">❹</span> Power button (Script for power mgnt installed){| class="wikitable"! Press and Release !! Raspberry Pi and X708 turn on|-| Press and hold for 1~2 seconds || System rebooting |-| Press and hold for 3~7 seconds || System shutting down |-| Press and hold for >8 seconds || <span style="color:red;">Force shutdown</span>|} <span style="color:#5671B0;font-size:200%;">❺</span> Function LEDs{| class="wikitable"! LED Name !! Usage|-| BAT LOW || LED red on indicates battery low (≤3.0Vdc) or blue power button pressed (Jumper for ASD inserted)|-|5V OUT || LED green on flashing indicates 5V power out and UPS powered by battery|-| AC FAIL || LED red on indicates AC power loss or PSU failure or PSU disconnected|-| PWR ||LED blue indicates Stays on - Power on Blinks rapidly - system rebooting Blinks slowly - Shutting down|} <span style="color:#5671B0;font-size:200%;">❻</span> Fuel gauge - LED Indicator Operation of Discharging{| class="wikitable"! Capacity C (%) !! D1 !! D2 !! D3 !! D4|-| C ≥75% || ON || ON || ON || ON|-| 50%≤C<75% || ON || ON || ON || OFF|-| 25%≤C<50% || ON || ON || OFF || OFF|-| 3%≤C<25% || ON || OFF || OFF || OFF|-| 0%<C<3% || Flashing || OFF || OFF || OFF|}
2. Insert the battery into the holderOperation of charging{| class="wikitable"! Capacity C (%) !! D1 !! D2 !! D3 !! D4|-| Fully charged || ON || ON || ON || ON|-| 75%≤C || ON || ON || ON || Flashing|-| 50%≤C<75% || ON || ON || Flashing || OFF|-| 25%≤C<50% || ON || Flashing || OFF || OFF|-| C<25% || Flashing || OFF || OFF || OFF|}
3<span style="color:#5671B0;font-size:200%;">❼</span> Pins and GPIO used {| class="wikitable"! Pin No. Wait 3 seconds then insert the jumper!! Usage !! Remark|-| 2, 4|| +5V power supply|||-| 6|| Ground |||-| 29|| GPIO5 for power management|||-| 32|| GPIO12 for power management |||-| 33|| GPIO13 for power management|||-| 31|| GPIO6 for AC power loss detection (Jumper for PLD inserted,High=POWER loss,Low=Power supply normal)|||-| 36|| GPIO16 for fan speed: HIGH => fast, LOW=> slow|| <span style="color:red;">New added on V1.2</span>
4. If the jumper inserted before battery, remove battery & jumper then repeat step 1, 2 and 3.
* Open - Automatic shutdown disabled
|}
 
<span style="color:#5671B0;font-size:200%;">❽</span> 18650 battery dimension
 
[[File:18650size.png|none]]
 
<span style="color:red;">Please do not use 18650 battery with built-in protection circuit</span>
 
<span style="color:#5671B0;font-size:200%;">❾</span> How to programming to get ASD function on V1.2 version
 
The following is fake C/C++ code:
<pre>
while(1) {
// You need to implement getCurrentVoltage function
float fVoltage = getCurrentVoltage();
if (fVoltage <= 2.5) {
//execute shut down command, "sudo x708off"
break;
}
}
<pre>
 
Return to [[X708]]
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