User contributions for Shawn

15 March 2014

• 13:0513:05, 15 March 2014 diff hist +196 N File:Frequency meter-PICAXE-08M2.pdf Detailed circuit diagram, with guide to pins, for a frequency meter with a AH180 Hall effect switch, a PICAXE 08M2 micro-controller, and an Electronic Assembly DOGM081 (or equivalent) LCD display. current
• 12:5312:53, 15 March 2014 diff hist +5,350 N Frequency meter with a PICAXE 08M2 Created page with "For an explanation, see Frequency meter. ===Program listing=== ;2014 Shawn Reeves ;measures a frequency of switches between .1Hz and 50Hz #picaxe 08m2;tell compiler w..."
• 12:5212:52, 15 March 2014 diff hist +2,057 N Frequency meter Created page with "[[File:Photo-gate-timer-2014-03-11.jpg|512px|thumb|right|A photo-gate timer featuring an LCD display, showing 3 of 5 possible gates at left. In a working lab, the LEDs and pho..."
• 12:4612:46, 15 March 2014 diff hist +21 Bicycle speedometer →See also
• 12:4512:45, 15 March 2014 diff hist +164 Circuits for teaching physics →Wheel-speedometer
• 12:4312:43, 15 March 2014 diff hist +12 Circuits for teaching physics →Learning physics with circuits
• 12:4112:41, 15 March 2014 diff hist +133 Circuits for teaching physics →Rationale
• 12:3212:32, 15 March 2014 diff hist +264 Circuits for teaching physics →Supporting apparatus
• 12:3012:30, 15 March 2014 diff hist +298 Circuits for teaching physics →Rationale

14 March 2014

• 18:2018:20, 14 March 2014 diff hist +49 Photo-gate timer with a PICAXE 20M2 link to parent page
• 18:1918:19, 14 March 2014 diff hist +6,127 N Photo-gate timer with a PICAXE 20M2 Created page with "===Program listing=== This program can be compiled for a PICAXE 20M2, paired with a Newhaven 3V i2c LCD display. It will watch for high signals on five input pins, starting wi..."
• 18:1618:16, 14 March 2014 diff hist +248 Photo-gate timer →Program
• 12:5212:52, 14 March 2014 diff hist +6,422 N Magnetometer PICAXE 20M2 program Created page with "===PICAXE Program=== This program works with the circuit described in Magnetometer, when programmed on a [http://picaxe.com PICAXE] 20M2. ;2014 Shawn Reeves ;TEST RESULT..." current
• 12:4712:47, 14 March 2014 diff hist +65 Magnetometer →Program
• 12:1412:14, 14 March 2014 diff hist +144 Magnetometer →Datasheets
• 12:0612:06, 14 March 2014 diff hist +639 Magnetometer →Program
• 08:5108:51, 14 March 2014 diff hist +88 Magnetometer →Version with larger MCU, SPI LCD display
• 08:4908:49, 14 March 2014 diff hist +316 Magnetometer →Specifications
• 08:4308:43, 14 March 2014 diff hist +403 Magnetometer No edit summary
• 08:4208:42, 14 March 2014 diff hist +225 N File:Voltage-regulator-circuit.png A typical 5V regulated circuit, with protective diode and output capacitor. The input voltage must be greater than the dropout voltage of the regulator plus the voltage of the diode plus the output voltage (see a data-sheet). current

13 March 2014

• 20:1420:14, 13 March 2014 diff hist +187 Magnetometer →Version with smaller MCU, SPI LCD display
• 20:1020:10, 13 March 2014 diff hist +301 Magnetometer →Circuit
• 20:0820:08, 13 March 2014 diff hist +244 N File:Magnetometer-PICAXE-20M2.png Circuit diagram for a PICAXE-based magnetometer, using a PICAXE 20M2 with an SS49E Hall effect sensor and an EA DOGM081 LCD 8-character display. Pin numbers on DOGM081 begin on at 21 on upper right and go to 40 on upper left when facing module. current
• 15:2115:21, 13 March 2014 diff hist +114 Magnetometer →Version with smaller MCU, SPI LCD display
• 15:1915:19, 13 March 2014 diff hist +208 Magnetometer →Datasheets

12 March 2014

• 12:3412:34, 12 March 2014 diff hist +256 Photo-gate timer added diagram
• 12:1712:17, 12 March 2014 diff hist +138 N File:PICAXE-Photo-gate-timer-i2c-LCD-2014.png Circuit diagram for a five-photo-gate timer based on a PICAXE 20M2 with a Newhaven NHD-C0216CiZ-FSW-FBW-3V3 LCD display connected via I2C. current

11 March 2014

• 18:2218:22, 11 March 2014 diff hist +138 Photo-gate timer →Circuit: placed usefully
• 18:1918:19, 11 March 2014 diff hist +63 Photo-gate timer →Saving power
• 18:1818:18, 11 March 2014 diff hist +410 Photo-gate timer →Power supply
• 18:1518:15, 11 March 2014 diff hist +162 Photo-gate timer →Circuit: added photo
• 18:1218:12, 11 March 2014 diff hist +59 N File:Photo-gate-timer-2014-03-11.jpg Circuit for a 5-gate photo-gate timer, with an LCD display. current

9 March 2014

• 18:0318:03, 9 March 2014 diff hist +227 Photo-gate timer →Components
• 17:4817:48, 9 March 2014 diff hist −5 Photo-gate timer →Program
• 17:4217:42, 9 March 2014 diff hist +9 Photo-gate timer →Components
• 17:4017:40, 9 March 2014 diff hist +118 Photo-gate timer →Specifications
• 12:2912:29, 9 March 2014 diff hist +286 Photo-gate timer →See also: Arduino photogate article link
• 12:2412:24, 9 March 2014 diff hist +225 Photo-gate timer →Components
• 11:2711:27, 9 March 2014 diff hist +194 Photo-gate timer →Components
• 11:1911:19, 9 March 2014 diff hist +262 Photo-gate timer →Components
• 09:4309:43, 9 March 2014 diff hist +117 Magnetometer →Version with larger MCU, LED display
• 09:4009:40, 9 March 2014 diff hist +338 Magnetometer →Power supply
• 09:2409:24, 9 March 2014 diff hist +275 Magnetometer →Datasheets
• 09:1709:17, 9 March 2014 diff hist +470 Magnetometer →Program
• 09:0609:06, 9 March 2014 diff hist +380 Magnetometer →Components
• 09:0209:02, 9 March 2014 diff hist +529 Magnetometer →Components

1 March 2014

• 20:1020:10, 1 March 2014 diff hist +393 Circuits for teaching physics →Rationale: added curriculum
• 15:0715:07, 1 March 2014 diff hist +1,996 N PICAXE serial Created page with "==Connecting PICAXE to computer== ===Inverting serial logic=== One difficulty in integrating PICAXE into your lab is that its serial device is inverted from the normal TTL log..." current
• 14:3414:34, 1 March 2014 diff hist +88 Magnetometer →Components
• 14:3314:33, 1 March 2014 diff hist +212 Magnetometer →Components