esp8266

The ESP8266 is a low-cost Wi-Fi chip with full TCP/IP stack and MCU (microcontroller unit) capability produced by Shanghai-based Chinese manufacturer, Espressif Systems.

Vintage Lael retrofit, the gallery

Pictures from the retrofitting of the old Lael voltmeter

March 10, 2017

Retrofitting of a vintage Lael Tester from 1955

I've learned a lot of things by disassembling and changing the way an old tester works

March 1, 2017