Photo-gate timer with CircuitPython - Revision history

Shawn at 13:36, 21 April 2025

2025-04-21T13:36:01Z

@@ Line 10: / Line 10: @@
 The same text output to the Python REPL on the computer is output to the screen on the module, so outputting text requires only the built-in print() function.
-== Code ==
+== Codes ==
 <syntaxhighlight lang="python" line copy>
 import time
@@ Line 43: / Line 44: @@
              passed.append(event.key_number)
              print(times)
 </syntaxhighlight>

Shawn: /* Code */

2025-04-02T17:14:45Z

Code

← Older revision		Revision as of 10:14, 2 April 2025
Line 22:		Line 22:
	#track which gates have already been interrupted		#track which gates have already been interrupted
	passed = []		passed = []
			#pull is whether you use internal pullup/pulldown. False if you use an external switch.
	#interval is time in seconds to debounce button.		#interval is time in seconds to debounce button.
	keys = keypad.Keys(gates, value_when_pressed=True, pull=True, interval=0.002)		keys = keypad.Keys(gates, value_when_pressed=True, pull=True, interval=0.002)

Shawn: /* ESP32-S2 Reverse TFT Feather */ reference to print() function.

2025-04-02T17:13:02Z

ESP32-S2 Reverse TFT Feather: reference to print() function.

← Older revision		Revision as of 10:13, 2 April 2025
Line 8:		Line 8:
	The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.		The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.

	The same text output to the Python REPL on the computer is output to the screen on the module.		The same text output to the Python REPL on the computer is output to the screen on the module, so outputting text requires only the built-in print() function.

	== Code ==		== Code ==

Shawn at 17:10, 2 April 2025

2025-04-02T17:10:45Z

← Older revision		Revision as of 10:10, 2 April 2025
Line 1:		Line 1:
			[[File:Photogate Timer ESP32.jpeg\|300px\|thumbnail\|right\|ESP32 with reverse TFT display running Circuit Python, showing REPL output, the last two lines being the mark of the first button pressed beginning timing, and then the updated list of times when the second button pressed.]]
	See [[Photo-gate timer]] for a full discussion.		See [[Photo-gate timer]] for a full discussion.

Line 5:		Line 6:

	== ESP32-S2 Reverse TFT Feather ==		== ESP32-S2 Reverse TFT Feather ==
	[[File:Photogate Timer ESP32.jpeg\|300px\|thumbnail\|right\|ESP32 with reverse TFT display running Circuit Python, showing REPL output, the last two lines being the mark of the first button pressed beginning timing, and then the updated list of times when the second button pressed.]]
	The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.		The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.

Shawn: /* ESP32-S2 Reverse TFT Feather */

2025-04-02T17:09:50Z

ESP32-S2 Reverse TFT Feather

← Older revision		Revision as of 10:09, 2 April 2025
Line 5:		Line 5:

	== ESP32-S2 Reverse TFT Feather ==		== ESP32-S2 Reverse TFT Feather ==
			[[File:Photogate Timer ESP32.jpeg\|300px\|thumbnail\|right\|ESP32 with reverse TFT display running Circuit Python, showing REPL output, the last two lines being the mark of the first button pressed beginning timing, and then the updated list of times when the second button pressed.]]
	The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.		The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.

Shawn: /* CircuitPython */

2025-03-31T02:34:53Z

CircuitPython

← Older revision		Revision as of 19:34, 30 March 2025
Line 2:		Line 2:

	== CircuitPython ==		== CircuitPython ==
	CircuitPython is a flavor or port of MicroPython, by Adafruit Industries, to program any of hundreds of micro-controllers or single-board-computers with Python code. Changing the code on a board is simple: You copy a Python program file, and optionally libraries, to board that can be set to present itself to a computer as a USB drive. When you reset the board, it runs the file.		[https://circuitpython.org CircuitPython] is a flavor or port of MicroPython, by Adafruit Industries, to program any of hundreds of micro-controllers or single-board-computers with Python code. Changing the code on a board is simple: You copy a Python program file, and optionally libraries, to board that can be set to present itself to a computer as a USB drive. When you reset the board, it runs the file.

	== ESP32-S2 Reverse TFT Feather ==		== ESP32-S2 Reverse TFT Feather ==
	The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.		The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.

Shawn: /* ESP32-S2 Reverse TFT Feather */

2025-03-31T02:29:11Z

ESP32-S2 Reverse TFT Feather

← Older revision		Revision as of 19:29, 30 March 2025
Line 4:		Line 4:
	CircuitPython is a flavor or port of MicroPython, by Adafruit Industries, to program any of hundreds of micro-controllers or single-board-computers with Python code. Changing the code on a board is simple: You copy a Python program file, and optionally libraries, to board that can be set to present itself to a computer as a USB drive. When you reset the board, it runs the file.		CircuitPython is a flavor or port of MicroPython, by Adafruit Industries, to program any of hundreds of micro-controllers or single-board-computers with Python code. Changing the code on a board is simple: You copy a Python program file, and optionally libraries, to board that can be set to present itself to a computer as a USB drive. When you reset the board, it runs the file.
	== ESP32-S2 Reverse TFT Feather ==		== ESP32-S2 Reverse TFT Feather ==
	The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable		The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable radio.

			The same text output to the Python REPL on the computer is output to the screen on the module.

	== Code ==		== Code ==
	<syntaxhighlight lang="python" line copy>		<syntaxhighlight lang="python" line copy>

Shawn: link to parent article.

2025-03-31T02:25:54Z

link to parent article.

← Older revision		Revision as of 19:25, 30 March 2025
Line 1:		Line 1:
			See [[Photo-gate timer]] for a full discussion.

	== CircuitPython ==		== CircuitPython ==
	CircuitPython is a flavor or port of MicroPython, by Adafruit Industries, to program any of hundreds of micro-controllers or single-board-computers with Python code. Changing the code on a board is simple: You copy a Python program file, and optionally libraries, to board that can be set to present itself to a computer as a USB drive. When you reset the board, it runs the file.		CircuitPython is a flavor or port of MicroPython, by Adafruit Industries, to program any of hundreds of micro-controllers or single-board-computers with Python code. Changing the code on a board is simple: You copy a Python program file, and optionally libraries, to board that can be set to present itself to a computer as a USB drive. When you reset the board, it runs the file.

Shawn: /* Code */ add easy copy button

2025-03-31T02:13:22Z

Code: add easy copy button

← Older revision		Revision as of 19:13, 30 March 2025
Line 4:		Line 4:
	The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable		The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable
	== Code ==		== Code ==
	<syntaxhighlight lang="python" line>		<syntaxhighlight lang="python" line copy>
	import time		import time
	import board		import board

Shawn: /* Code */ fixing code preview

2025-03-30T21:26:53Z

Code: fixing code preview

← Older revision		Revision as of 14:26, 30 March 2025
Line 4:		Line 4:
	The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable		The ESP32-S2 Reverse TFT Feather from Adafruit, https://www.adafruit.com/product/5345 , is an inexpensive development board with a WiFi capable
	== Code ==		== Code ==
	<~~nowiki~~>		<syntaxhighlight lang="python" line>
	import time		import time
	import board		import board
Line 35:		Line 35:
	passed.append(event.key_number)		passed.append(event.key_number)
	print(times)		print(times)
	</~~nowiki~~>		</syntaxhighlight>