Fascinating details of Waveshare e-paper displays

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 the maker market :-). I’m […]

TS1001 low power, low voltage op-amp review

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, well below the operating range […]