Bench Power Supply resistor value question. Daybear63 wrote:
I finally came around to test the transistors and BC108 was dead but the rest was ok. The only equivalent i had laying around was 548B (i hope it is good...
Sunday, 20 March 2022 - 23:23
Additional ADC ports approach? avrcandies wrote:Do you know what is the lowest cost I2C expander part#/cost?
See the link and comment in #28
avrcandies wrote:You can get a shift reg...
Friday, 18 March 2022 - 03:17
Additional ADC ports approach? djoshi wrote:So I need to get mux that can work with i2c control.
Yes. It seems strange there are not many "i2c 4051's" - maybe because it is so easy to make...
Friday, 18 March 2022 - 01:20
simple overvoltage protection circuit? mannen wrote:
What is the best way to do a simple (1 or tops 2 simple components max) overvoltage protection for a powerline? (just to save the microcontroller a bit longer if you...
Thursday, 17 March 2022 - 04:12
Logic Gate type vs operating speed help jgmdesign wrote:
Maybe a simple octal TRANCEIVER would be a better choice?
This way 'The Doc' can have it both ways.
Yup, and for highest speed, there are also parts...
Thursday, 17 March 2022 - 02:17
Logic Gate type vs operating speed help DocJC wrote:
I'm not sure how you think a RPi will accept 100~250 MSa/Sec, or how the Mega32 will deliver it ?
There is the back-of-the-napkin, initial dreaming...
Thursday, 17 March 2022 - 01:54
PWM Phase Correct at 300kHz using ATMEGA128L avrcandies wrote:they don't want 10kW applied/removed all the time
True, but the OP did mention kapton heater, which is a small resistive film heater, usually...
Wednesday, 16 March 2022 - 21:29
PWM Phase Correct at 300kHz using ATMEGA128L davidvp wrote:
Ideally a 1% increment. The application is a flyback transformer that powers a kapton heater so to have good control over the whole power spectrum 1% would be...
Wednesday, 16 March 2022 - 19:08
Logic Gate type vs operating speed help DocJC wrote:
For one project, I'm interested in connecting / disconnecting, (Hi Z), an 8-Bit digital bus signal source to the data bus, (to avoid bus contention).
I'd like to be...
Wednesday, 16 March 2022 - 19:00
Microchip Studio new chips support In cases like this, users often just Write/Edit/comment mainly in their Editor Of Choice, and then download and debug using the MCU's IDE. The IDEs allow register view and...
Wednesday, 16 March 2022 - 07:57
PWM Phase Correct at 300kHz using ATMEGA128L davidvp wrote: I get the correct frequency, but the duty cycle works in increments of around 4%, similar to the table below:
Close. It's actually 3.75%
A pencil shows...
Daybear63 wrote: I finally came around to test the transistors and BC108 was dead but the rest was ok. The only equivalent i had laying around was 548B (i hope it is good...
avrcandies wrote:Do you know what is the lowest cost I2C expander part#/cost? See the link and comment in #28 avrcandies wrote:You can get a shift reg...
djoshi wrote:So I need to get mux that can work with i2c control. Yes. It seems strange there are not many "i2c 4051's" - maybe because it is so easy to make...
mannen wrote: What is the best way to do a simple (1 or tops 2 simple components max) overvoltage protection for a powerline? (just to save the microcontroller a bit longer if you...
jgmdesign wrote: Maybe a simple octal TRANCEIVER would be a better choice? This way 'The Doc' can have it both ways. Yup, and for highest speed, there are also parts...
DocJC wrote: I'm not sure how you think a RPi will accept 100~250 MSa/Sec, or how the Mega32 will deliver it ? There is the back-of-the-napkin, initial dreaming...
avrcandies wrote:they don't want 10kW applied/removed all the time True, but the OP did mention kapton heater, which is a small resistive film heater, usually...
davidvp wrote: Ideally a 1% increment. The application is a flyback transformer that powers a kapton heater so to have good control over the whole power spectrum 1% would be...
DocJC wrote: For one project, I'm interested in connecting / disconnecting, (Hi Z), an 8-Bit digital bus signal source to the data bus, (to avoid bus contention). I'd like to be...
In cases like this, users often just Write/Edit/comment mainly in their Editor Of Choice, and then download and debug using the MCU's IDE. The IDEs allow register view and...
davidvp wrote: I get the correct frequency, but the duty cycle works in increments of around 4%, similar to the table below: Close. It's actually 3.75% A pencil shows...
raser1992 wrote:What would be the easiest way to achieve this using timer0? The simplest timer0 code is to run a timer interrupt at 2.56ms, that clears...
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