3pcs ka2284 level

Buy 3Pcs KA2284 Level Indicator LED Audio Level Meter Electronic Production Kit Soldering Practice Parts for R178.92

Buy 3Pcs Logic Level Converter Bi-Directional IIC 4 Way Level Conversion Module for R173.55

Buy 3Pcs Logic Level Converter Bi-Directional IIC 4 Way Level Conversion Module for R139.00

Buy 3pcs LM3915 Level Indicator Kit DC9V-12V DIY Electronic Production Modul for R245.00

Buy 3pcs LM3915 Level Indicator Kit DC9V-12V DIY Electronic Production Module Kit for R246.09

ADJUSTABLE CONTROL ELECTRIC QUATITY / AUDIO FREQUENCY LEVEL INDICATOR; 3.5-12V.

Feature:   The amplifier uses the TDA2822M for the amplification chip, this chip is a dual-channel single-chip power amplifier integrated circuit, usually used for audio amplifier in the pocket cassette player (WALKMAN), tape recorders and multimedia active speakers. Can work in the stereo and bridge amplifier (BTL) circuit form.   TDA2822  power amplifier board:   Package Name: TDA2822M Amplifier Kit (Need soldering) Working voltage: DC4.5-9V PCB size: 46 * 35mm Speaker diameter: 50mm Speaker power: 0.25W KA2284 level indicator board: 1. Constant current output 2. Wide operating voltage: (3.5V - 12V) 3. The ALC circuit does not need to connect diodes or transistors 4. The bright level can be adjusted 5. The circuit board adopts military grade 1.6MM FR4 sheet 6. PCB dimensions: 40mm * 19mm TDA2822 power amplifier board list: 1 x PCB board 3 x 470UF25V electrolytic capacitor 2 x 100UF25V electrolytic capacitor 3 x 104 ceramic capacitors 1 x USB + 3.5 lines 1 x 50K dial potentiometer 2 x 4.7 ohm resistance 4 x 10K resistance 1 x 8P IC holder 1 x TDA2822 chip 2 x 8 ohm 0.25W 50MM speaker 1 x 0.5 m cable   KA2284 level indicator board list: 1 x PCB board 2 x XH2.54-2P curved seat 2 x XH2.54-2P line 1 x 100 ohm resistance 1 x 10K resistance 1 x 2.2UF electrolytic capacitor 1 x 10UF electrolytic capacitor 1 x 103 blue and white potentiometer 1 x KA2284 chip 5 x 5MM green to green LED 1 x 5MM red to red LED Soldered PCB, for reference only!

3Pcs 8-Channel Logic Level Translator Converter Bi-Directional Module 3Pcs 8-Channel Logic Level Translator Converter Bi-Directional ModuleIntroduction:If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be.The SparkFun 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.What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up and down between them safely on the same channel.Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side.The level converter is very easy to use.The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using.High voltage (5V for example) to the 'HV' pin, low voltage (3.3V for example) to 'LV', and ground from the system to the 'GND' pin.Feature:8-channel high-voltage and low-voltage logic bidirectional translationMini size, 4.1cm x 1.8cmComes with 2 rows of 6pin, unsolderedCompatible breadboard, can be directly inserted in the breadboardNote: (For example: High voltage: 5V, low voltage: 3.3V)HV connect 5V power supplyLV connect 3.3V power supplyGND connect negative, two power supply commonsLVx input and output is 3.3V TTL, HVx input and output is 5V TTL, LVx and TVx bidirectional transfersPackage includes:3 x Eight Channel Logic Level Translator Converter

3Pcs 8-Channel Logic Level Translator Converter Bi-Directional Module Introduction: If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun 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. What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up and down between them safely on the same channel. Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side. The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the 'HV' pin, low voltage (3.3V for example) to 'LV', and ground from the system to the 'GND' pin. Feature: 8-channel high-voltage and low-voltage logic bidirectional translation Mini size, 4.1cm x 1.8cm Comes with 2 rows of 6pin, unsoldered Compatible breadboard, can be directly inserted in the breadboard Note: (For example: High voltage: 5V, low voltage: 3.3V) HV connect 5V power supply LV connect 3.3V power supply GND connect negative, two power supply commons LVx input and output is 3.3V TTL, HVx input and output is 5V TTL, LVx and TVx bidirectional transfers Package includes: 3 x Eight Channel Logic Level Translator Converter

3Pcs 5V 1 Channel Level Trigger Optocoupler Relay Module For Arduino Description: The module uses genuine quality relay, normally open interfaces Using SMD optocoupler isolation, driving ability, stable performance The module can be high or low by a jumper setting trigger Fault-tolerant design, even if the control line is broken, the relay will not operate The power indicator (green), the relay status indicator (red) The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient Specification: Maximum load: AC 250V/10A, DC 30V/10A Trigger current: 5mA Working voltage: 5V Module size: 50 x 26 x 18.5mm (L x W x H) Four mounting bolts holes, diameter 3.1mm Module interface: DC+: positive power supply (VCC) DC-: negative power supply (GND) IN: can be high or low level control relay Relay outputs: NO: normally open relay interface COM: Common Interface Relays NC: normally closed relay interface High and low level trigger options: It is low level trigger when jumper connect to LOW pin It is high level trigger when jumper connect to HIGH pin Package included: 3 x 1 Channel H/L level trigger optocoupler relay module

3Pcs Micro SD TF Card Memory Shield Module SPI Micro SD Adapter For Arduino Features: The module (MicroSD Card Adapter) is a Micro SD card reader module, and the SPI interface via the file system driver, microcontroller system to complete the MicroSD card read and write files. Arduino users can directly use the Arduino IDE comes with an SD card to complete the library card initialization and read-write Module features are as follows: Support Micro SD Card (The level conversion circuit board that can interface level is 5V or 3.3V Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communication interface is a standard SPI interface 4 M2 screw positioning holes for easy installation Size: 4.1 x 2.4cm Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal Micro SD card connector: Since the bomb deck for easy card insertion and removal. Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, the module is easy to install positioning, to achieve inter-module combination Package included: 3 x Micro SD TF card module

3Pcs Two Channel IIC I2C Logic Level Converter Bi-Directional Module Feature: Power supply:5V-3V AVCC connect to 5V system power ASCL connect to 5V system SCL ASDA connect to 5V system SDA AGND connect to 5V system GND BVCC connect to 3V system power BSCL connect to 3V system SCL BSDA connect to 3V systems SDA BGND connect to 3V system GND Package included: 3 x Two Channel IIC I2C Logic Level Converter Bi-Directional Module

3Pcs 8-Channel Logic Level Translator Converter Bi-Directional Module

3pcs 3V 1 Channl Relay Isolated Drive Control Module High Level Driver Board Package contains 1 X item of the smallest listed variant.

3Pcs Logging Recorder Shield Data Logger Module For Arduino UNO SD Card Features: SD card interface works with  FAT16 or FAT32 formatted cards. 3.3V level shifter circuitry prevents damage to your SD card. Real time clock (RTC) keeps the time going even when the Arduino is unplugged. Included libraries and example code for both SD and RTC, means you can get going quickly. Prototyping area for soldering connectors, circuitry or sensors. Onboard 3.3V regulator is both a reliable reference voltage and also reliably runs SD cards that require a lot of power to run. Works with Arduino UNO,  Duemilanove, Diecimila, Leonardo or ADK/Mega R3 or higher. ADK/Mega R2 or lower are not supported. Specification: Size: 68 x 53 x 23mm (approx) Regulator voltage: 3.3V Battery: CR1220 3V Note: This product has red and blue color, the color is random delivery. Package included: 3 x Data logger module 3 x Lithium cell