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Archive for the ‘part review’ Category

Fascinating details of Waveshare e-paper displays

Thursday, November 9th, 2017

Erich Styger has a nice write-up on Waveshare e-paper displays: I have used E-Ink displays in projects three years ago, but from that time the technology has greatly evolved. That time displays were hard to get, expensive and difficult to use. Now things seem to change with e-ink displays available to...

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Posted in part review | 1 Comment »

Simple electronic fuse

Monday, September 3rd, 2012

Sjaak shared this simple electronic fuse design in the forum: This is perhaps one of the simplest electronic fuse circuit one can make. The circuit uses only one transistor, one SCR, one push button switch and two resistors. Via the forum.

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Posted in part review | 5 Comments »

From the forum: Raspberry Pi review

Monday, June 4th, 2012

Here is a review of the Raspberry Pi from the forum: This is my "home" forum for embedded stuff, as the community here is good. Though I note Raspberry Pi (here forward R-Pi) has its own forum (I'm teholabs there). I wonder how many persons here got one? I ordered...

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Posted in part review | 11 Comments »

LC200A LC meter teardown and review

Wednesday, February 22nd, 2012

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Posted in part review, Teardowns | 2 Comments »

TS1001 low power, low voltage op-amp review

Thursday, July 28th, 2011

We have been experimenting with the Touchstone semi TS1001 ultra-low power, low voltage op-amp demo board, and the results are in. For our tests, the board inverting op-amp circuit was powered by a solar cell from a calculator with two 0.5v zener in series. The total supply was about 950mV,...

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Posted in Chips, part review | 3 Comments »

Recent Comments

  • Edward Mallon: Like a great Hollywood franchise, I've finally put together the prequel - months after the I2C registers tutorial was released: https://edwardmallon.wordpress.com/2017/12/17/adding-sensors-to-an-arduino-data-logger/ This adds to the...
  • Drone: So these go for around $330 USD and NO published calibration procedure online or otherwise? Given what's inside - I don't think I'll be considering...
  • Pekka Akselin: This is ridiculous!? :-) We are back at 256(!) byte EPROMs that needed multiple, a handful, of voltages to run! :-(
  • KH: Let's try a back-of-envelope calc balancing energies. From MCP1700 datasheet, there are graphs for a 200mA load step. Estimate the energy shortfall as 12uJ. Say...
  • Daniel: It's been a week and my comment is still awaiting moderation. Apparently the CIA doesn't want their involvement known?