Large 3V Analog Panel Meter Effects which have a glass cover

which have a glass cover to hold the backlight in place

000) write cycles and data retention spanning decades

This tiny board features an STM32 microcontroller pre-programmed with Espruino

Bluetooth client interface with SPP and audio

stop bit: 1

Large 3V Analog Panel Meter Effects which have a glass coverAnalog panel meters are simple, elegant devices that provide easy to read analog signaling. The Large 3V Analog Panel Meter is about handheld size and features a single screw to open the panel for replacing the backing paper if desired. Although designed for analog signals, this meter can also display digital signals using a PWM signal from a 3V logic microcontroller at 1KHz or faster. The meter's back has two bolts marked Positive and Negative below