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https://alltransistors.com/transistor.php?transistor=41825
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
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)
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
[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...
FET module, input and output fully isolated.Input voltage: 3V-20V; Current: ~5mAOutput controlled voltage: 5V-36V. Current: less than 5A, if the current is more than 5A, heat sink is needed, Max 20AF5305S power FET can handle PWM, control motor speed, lamp brightness e.t.c.Overall Size : 46 x 25 x 18mm(L*W*H)Weight : 15g
Humidity measuring range: 20%~90%RH(0-50℃temperature compensation).Temperature measuring range: 0~+50℃.Humidity measurement accuracy: ±5.0%RH.Temperature measurement accuracy: ±2.0℃.response time: <5s.low power consumption.Size:about 2.3cm x 1.2cm x 0.5cm.
Size: 34mm×15mm/1.34"×0.59"(approx) Digital temperature module and digital interface Built-in LEDs indicating temperatur Three Digital interfaces when the digital temperature sensor senses a key signal, LED lights on, otherwise off.
Black Wire = Ground Red Wire = PSU (3-30V) White Wire = Measurement (0-32V) It's no problem to connect the Red and White wires together, operation is stable is the PSU voltage is varied... But you are limited to measuring 3-30V Lead Length = 14cm
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