EP-0245 - Revision history

Yoyojacky: /* Key Features */

2026-08-05T06:09:24Z

Key Features

← Older revision		Revision as of 14:09, 5 August 2026
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	* PikaPython Script Execution Capability		* PikaPython Script Execution Capability
	* Physical Power Button		* Physical Power Button
			* With AC power connected: up to 80W max.
			* On battery power (no load stress): up to 40W max.
			<pre>
			NOTE: Actual sustained output will vary depending on battery condition and operating temperature.</pre>

	===Specifications===		===Specifications===

Yoyojacky: /* More information */

2026-01-09T03:06:00Z

More information

← Older revision		Revision as of 11:06, 9 January 2026
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	* Needle Positioning: The needle's position is calculated based on the power value, with 0W starting at the bottom of the gauge and increasing clockwise.		* Needle Positioning: The needle's position is calculated based on the power value, with 0W starting at the bottom of the gauge and increasing clockwise.
	* This implementation provides a clear and visually intuitive way to monitor input and output power readings from an I2C device in real-time.		* This implementation provides a clear and visually intuitive way to monitor input and output power readings from an I2C device in real-time.
			==Model and Structure file download==
			* STEP File: [[ File:UPS Gen6 STEP file.zip ]]
			* STP structure File: [[ File:UPS Gen6 STP StructureFile.zip ]]
	===More information===		===More information===
	* Please visit: [ https://github.com/geeekpi/upsv6_pub/ ]		* Please visit: [ https://github.com/geeekpi/upsv6_pub/ ]

Yoyojacky: /* Gallery */

2026-01-09T03:02:30Z

Gallery

@@ Line 125: / Line 125: @@
 * Standard Output for HDD (12V/5V)
 [[File:EP-0245-09.jpg|left|800px]]
 <br style="clear:both;">

Yoyojacky: /* Gallery */

2025-11-10T06:30:36Z

Gallery

← Older revision		Revision as of 14:30, 10 November 2025
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	[[File:EP-0245-04.jpg\|left\|800px]]		[[File:EP-0245-04.jpg\|left\|800px]]
	<br style="clear:both;">		<br style="clear:both;">
			<br>
			----
			<font color=red><strong>Please note: When the 12v HDD power port is needed for external power supply,
			an external PD power source and a battery need to be connected simultaneously.
			Otherwise, the 12v HDD power port will not be able to supply power properly.</strong></font>
			----
			<br>
	* Easy to install		* Easy to install
	[[File:EP-0245-05.jpg\|left\|800px]]		[[File:EP-0245-05.jpg\|left\|800px]]

Yoyojacky: /* Register Summary Table */

2025-11-03T08:30:16Z

← Older revision		Revision as of 16:30, 3 November 2025
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	\|-		\|-
	\|0x33 \|\| charge_detect_interval_s \|\| 16 \|\| R/W \|\| Charge detection interval (unit: seconds) \|\| -		\|0x33 \|\| charge_detect_interval_s \|\| 16 \|\| R/W \|\| Charge detection interval (unit: seconds) \|\| -
			\|-
			\|0x35 \|\| led_ctl \|\| 8 \|\| R/W \|\| LED control register \|\| 0x01
	\|}		\|}

Yoyojacky: /* Register Summary Table */

2025-10-21T02:48:15Z

← Older revision		Revision as of 10:48, 21 October 2025
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	\|0x29 \|\| ota_request \|\| 16 \|\| W \|\| Writing to 0xA5A5 will request OTA mode. \|\| -		\|0x29 \|\| ota_request \|\| 16 \|\| W \|\| Writing to 0xA5A5 will request OTA mode. \|\| -
	\|-		\|-
	\|0x2B \|\| runtime \|\| 64 \|\| R \|\| Cumulative runtime (unit: ~~microseconds~~) \|\| -		\|0x2B \|\| runtime \|\| 64 \|\| R \|\| Cumulative runtime (unit: millisecond) \|\| -
	\|-		\|-
	\|0x33 \|\| charge_detect_interval_s \|\| 16 \|\| R/W \|\| Charge detection interval (unit: seconds) \|\| -		\|0x33 \|\| charge_detect_interval_s \|\| 16 \|\| R/W \|\| Charge detection interval (unit: seconds) \|\| -

Yoyojacky: /* Explaination of demo code */

2025-10-14T09:18:45Z

Explaination of demo code

← Older revision		Revision as of 17:18, 14 October 2025
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	python plot_power_pygame.py		python plot_power_pygame.py
	</pre>		</pre>
			===Demostration===
			* Gaugue Figure
			[[File:Plot power pygame.jpg\|left\|800px]]
			<br style="clear:both;">
	===Explaination of demo code===		===Explaination of demo code===
	* Implementation Explanation		* Implementation Explanation

Yoyojacky: /* Explaination of demo code */

2025-10-14T09:17:09Z

Explaination of demo code

← Older revision		Revision as of 17:17, 14 October 2025
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	The gauges are represented as circular meters with needles that move based on the power values read from the device.		The gauges are represented as circular meters with needles that move based on the power values read from the device.
	The code also includes titles for each gauge ("INPUT" and "OUTPUT") and evenly spaced tick marks with numerical labels.		The code also includes titles for each gauge ("INPUT" and "OUTPUT") and evenly spaced tick marks with numerical labels.
	* Key Components and Logic		====Key Components and Logic====
	* I2C Communication:		* I2C Communication: The code uses the smbus2 library to communicate with an I2C device at address 0x17. Functions like read_word_register are used to read 16-bit values from specific registers on the device, which correspond to input and output voltage and current readings.
	The code uses the smbus2 library to communicate with an I2C device at address 0x17.		* Power Calculation: The calculate_power function converts the raw voltage and current readings from millivolts and milliamps to volts and amps, respectively, and then calculates the power in watts.
	Functions like read_word_register are used to read 16-bit values from specific registers on the device, which correspond to input and output voltage and current readings.		* Pygame Initialization: Pygame is initialized to create a window with a size of 800x400 pixels. Colors for the background, tick marks, and needle are defined.
	* Power Calculation:
	The calculate_power function converts the raw voltage and current readings from millivolts and milliamps to volts and amps, respectively, and then calculates the power in watts.
	* Pygame Initialization:
	Pygame is initialized to create a window with a size of 800x400 pixels.
	Colors for the background, tick marks, and needle are defined.
	* Gauge Background Drawing:		* Gauge Background Drawing:
	The draw_gauge_background function draws the circular gauge, including:		The draw_gauge_background function draws the circular gauge, including:
	* A circle representing the gauge outline.		<pre>
	* Tick marks spaced evenly around the gauge. The tick marks are spaced based on a maximum power value of 30W, with each tick representing 0.5W.		1. A circle representing the gauge outline.
	* Numerical labels for every 5th tick mark, positioned slightly outside the gauge to avoid overlap.		2. Tick marks spaced evenly around the gauge. The tick marks are spaced based on a maximum power value of 30W, with each tick representing 0.5W.
	* A title ("INPUT" or "OUTPUT") displayed above each gauge.		3. Numerical labels for every 5th tick mark, positioned slightly outside the gauge to avoid overlap.
			4. A title ("INPUT" or "OUTPUT") displayed above each gauge.
			</pre>
	* Needle Drawing: The draw_needle function calculates the angle of the needle based on the power value and draws it on the gauge. The angle is adjusted so that 0W corresponds to the bottom of the gauge.		* Needle Drawing: The draw_needle function calculates the angle of the needle based on the power value and draws it on the gauge. The angle is adjusted so that 0W corresponds to the bottom of the gauge.
	* Main Loop: The main function contains the main loop of the program:		* Main Loop: The main function contains the main loop of the program:
			<pre>
	1. It reads the power values from the I2C device.		1. It reads the power values from the I2C device.
	2. It updates the gauges by clearing the screen, redrawing the gauge backgrounds, and drawing the needles based on the current power values.		2. It updates the gauges by clearing the screen, redrawing the gauge backgrounds, and drawing the needles based on the current power values.
	3. It updates the display and limits the refresh rate to once every 2 seconds.		3. It updates the display and limits the refresh rate to once every 2 seconds.
			</pre>

	===Features and Enhancements===		===Features and Enhancements===
	* Tick Marks and Labels: The tick marks are evenly spaced around the gauge, and labels are added to indicate power values in watts. The labels are positioned slightly outside the gauge to ensure they are readable.		* Tick Marks and Labels: The tick marks are evenly spaced around the gauge, and labels are added to indicate power values in watts. The labels are positioned slightly outside the gauge to ensure they are readable.

Yoyojacky: /* More information */

2025-10-14T09:14:31Z

More information

Show changes

Yoyojacky: /* Explanation of the Code */

2025-10-14T06:19:02Z

Explanation of the Code

← Older revision		Revision as of 14:19, 14 October 2025
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	* Running the Code		* Running the Code
	When you run the code, you will see a dynamic plot that updates every 2 seconds, showing the real-time changes in input and output power. The plot will display the last 100 data points for both input and output power.		When you run the code, you will see a dynamic plot that updates every 2 seconds, showing the real-time changes in input and output power. The plot will display the last 100 data points for both input and output power.
			* If external power is failed, you will see some picture like this:
			[[File:Plot power01.jpg\|left\|800px]]
			<br style="clear:both;">

	===More information===		===More information===
	* Please visit: [ https://github.com/geeekpi/upsv6_pub/ ]		* Please visit: [ https://github.com/geeekpi/upsv6_pub/ ]