Latest threads in Hobby Electronics Basicsshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
Record 40% Efficiency From PV
—
|
9 years ago
|
— | |
|
|
Decoder and Inverter
Hi, Questions 1 : How can you use K-Map for 3 to 8 line decoder? The truth table is as folllows a b c o1 o2 o3 o4 o5 o6 o7 o8 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0...
10
|
9 years ago
|
10 | |
|
|
Cost of Carbon Fuel Goes Up & Down But Generally Up
Cost of solar PV just keeps dropping. Even EV battery costs have dropped 30% in 5 years. Anyone who this fundamental truth will change needs to join a drinking club, i.e., the "Man will Never Fly"...
7
|
9 years ago
|
7 | |
|
|
Battery Financing < Than Utility Bill
Musk's so-called gigafactory may soon become an existential threat to the 100-year-old utility business model. The facility will also churn out stationary battery packs that can be paired with rooftop...
7
|
9 years ago
|
7 | |
|
|
Banksters: Sell Utility Stocks
Barclays has calculated that it will not be government regulation that will phase down coal-fired power plants first, but rather the advance of renewable technologies and the continued decline in...
2
|
9 years ago
|
2 | |
|
|
Data Sheet Annoyance
Is this an attempt to obfuscate... figuring that everyone is a dummy and doesn't know De Morgan's theorems? ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | |...
15
|
9 years ago
|
15 | |
|
|
OT: Honest Analysis of Solar Power
Anyone know where I might find an honest ROI analysis of solar power? Everything I find is baloney-nosed in favor of the writer's point of view. I suspect that solar, if you take away subsidies and...
39
|
9 years ago
|
39 | |
|
|
Op-amp voltage offset cancellation
Combination of one fast op-amp with large slew rate and large voltage offse t with one op-amp with small slew rate and small voltage offset and low pas s filter can be used for amplification input AC...
—
|
9 years ago
|
— | |
|
|
Material Reradiates IR & Reflects Outside CO2 Frequencies
They seem to be able select re radiation frequencies: Something like this might work for better solar PV. One goal would be to re radiate the IR at a frequency that the PV could use for power...
1
|
9 years ago
|
1 | |
|
|
Website Update
Behavioral_Comparators.zip has been added to the Device Models & Subcircuits Page of my website. ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's...
—
|
9 years ago
|
— | |
|
|
How to slow down RPM of miter saw?
The motor runs on standard USA 120 V 60 Hz, 14 A, at 5500 RPM. What's the easiest way to slow down the RPM? What about simply adding a diode in series on the power cord? Any advice, references, and...
42
|
9 years ago
|
42 | |
|
|
Why this inconsistent resistance reading?
Today I've been trying to isolate a mains leakage tripping my circuit break er. Using my DMM to measure resistance at certain connections, I'm puzzled why I get widely different readings on different...
13
|
9 years ago
|
13 | |
|
|
OT: Command prompt locks up machine running XP Pro SP2
I can't get the command prompt to work on this XP Pro SP2 machine. It opens up and does the usual DOS commands CD DIR etc. but won't run Turbo Basic without locking up when I try to exit. Screen goes...
3
|
9 years ago
|
3 | |
|
|
Current limiter that doesn't
Hi all, I'm stuck. I am trying to limit the current flowing through a relay by using two transistors and a current-sensing resistor. Schematic below. The Spice model works beautifully, but the real...
2
|
9 years ago
|
2 | |
|
|
Automation Makes Us Dumb
I really believe this is happening... New College Graduates (aka NCG's) seem to have no imagination whatsoever, with boring personalities to match. ...Jim Thompson -- | James E.Thompson | mens | |...
32
|
9 years ago
|
32 |