Search found 4 matches
- Sat Apr 02, 2016 8:58 am
- Forum: General Discussion
- Topic: Those Pesky Membrane Switches
- Replies: 7
- Views: 4058
Re: Those Pesky Membrane Switches
Hello, Back in the late 60's I bought my wife a new electronic timer with push buttons. She really liked it because she was young and followed recipeis very closely. Around 20 years later one of the buttons quit working. Since there were three timers I told her just to use one of the other two. A ye...
- Wed Mar 16, 2016 8:22 pm
- Forum: General Discussion
- Topic: LED clculators not working..
- Replies: 16
- Views: 7630
Re: LED clculators not working..
Hello,
5 - 1.8 = 3.2
3.2 / .001 = 3200
3300 Resistor is the closest value.
It should light up but you may only see it if it is dark and the lights are out. Why are you only using one mA of current? If you use 10 mA of current the resistor should be 320 ohms.
Casey
5 - 1.8 = 3.2
3.2 / .001 = 3200
3300 Resistor is the closest value.
It should light up but you may only see it if it is dark and the lights are out. Why are you only using one mA of current? If you use 10 mA of current the resistor should be 320 ohms.
Casey
- Sun Feb 14, 2016 5:55 pm
- Forum: Nuts & Volts Magazine Discussions
- Topic: Beyond the Arduino 8
- Replies: 2
- Views: 16851
Re: Beyond the Arduino 8
How Ya Doin' I used the Toadstool and the ICE programmer. (328P) I have a cheap Radio Shack multi-meter so here is what I got. Readings at 5 volts: 0- 40 mA (average because meter moved from 38 to 42) 1- 36 mA (average for around the same reason) 2- 21.46 (correct reading I suppose because meter sta...
- Sat May 23, 2015 8:03 pm
- Forum: Nuts & Volts Magazine Discussions
- Topic: Beyond Arduino - What should I cover next?
- Replies: 13
- Views: 26901
Re: Beyond Arduino - What should I cover next?
How Ya Doin' Glad you asked, I will be 68 years old in a couple of months but I still like flashing LED's. I am working on a project that flashes seven LED's randomly like rolling dice. (Maybe dice is the wrong word because there is only one, die? ) I have it hooked up to a ATtiny85 and am using res...