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Bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. Size: 28 x 19mm / 1.1 x 0.74 inch
This module uses IC TP4056. Charge module:Linear charging. Charging current:1A adjustable. Input voltage:4.5V-5.5V. Full charged voltage:4.2V. Led indicator:red is charging blue is full charged. Input interface:mini USB. Working temperature:-10Degrees Celsius to +85 Degrees Celsius. Reverse polarity protection :NO Size- 25X19X10mm. Weight:1.8g
MX485 chip is a low power consumption for RS-485 communication5.08 (mm) pitch 2P terminalAll pins can be controlled through the microcontroller Operating voltage: 5V Size: 44 (mm) x14 (mm)
[Only available until stock depleted] Russian audio amplifier board, looks unused. Audio Amplifier IC with Heatsink K174YH7 - Datasheet here:- http://www.datasheetarchive.com/K174YH7-datasheet.html 4xPCB mount Potentiometers with 4mm shafts. 2 x 4K7, 2 x 10K Various Capacitors and Resistors, Cables and connectors. I don't have pinout information for this...
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