1. It is HC-05. 2. Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards. 3. Module working voltage 3.3 V. 4. Potter default rate of 9600, the user can be set up. 5. The core module size : 28 mm x 15 mm x 2.35 mm. 6. Working current: matching for 30 MA, matching the communication for 8 MA. 7. Dormancy current: no dormancy. 8. Used for GPS navigation system, water and electricity gas meter reading system. 9. With computer and bluetooth bluetooth adapter, PDA, seamless connection equipment Commercial Series: Bluetooth module board Series With LED indicator light, use 150mA and 3.3V regulation chip. With VCC.GND.TXD.RXD foot for the Bluetooth With "Re-seach" button(ON/OFF/WAKE foot for it , external MCU outinput "High level" can control module to re-seach) Compatible with bluetooth master module".slave module"or master-slave(whole) module. Input voltage: 3.3~6V Size: 1.55cm*3.98cm Note: input power supply 3.3~6V, Prohibit more than 7V No "Automatically prevent power supply peversing func", so please correctly connect power supply We advise to install "Bluetooth master module" The "State" is output foot for LED status, when bluetooth "Unconnected", output "Pulse" ; when bluetooth "connected", output "High level", we can determine the states from "MCU" If only the board , No any "Bluetooth Function " Package Includes 1 pc x HC05 Bluetooth Module
Feature: Size: 24*32*21mm/0.94*1.25*0.82” Input Power: 5V DC (160mA) Input control signal voltage: (0-2.5V state low relay OFF) (3-5V state high relay ON) Module interface: Input section: DC +: positive power supply (by relay voltage power supply) DC-: connect power negative CH: relay module signal to trigger the end (high level trigger effective) Voltage version 5V Static current 0mA Working current 12.5mA Trigger voltage 3.3-5V Trigger current 2mA
Description: These are continuous rotary encoder switch With built in push button switch (push to operate) Can be used for data entry as with modern in car CD players, for volume & on/off control or data selection via LED or LCD display Perfect for use with PIC or ATMEL microcontrollers Specifications: Rotary Shaft Length: Approx. 12mm Shaft Full Length: Approx. 20mm Shaft Diameter: Approx. 6mm Size (L x W): Approx. 15 x 11mm Position: 20 Pulse: 20 Output: 2-bit gray code Closed Circuit Resistance: 3 ohms maximums Max. Rating: 10 mA @ 5 VDC Operating Temperature Range: -30 to 70 degrees celsius Storage Temperature Range: -40 to 85 degrees celsius Rotational Life: 30000 cycles minimum Switch Life: 20000 cycles minimum
Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Features: 1) Good in safety. In power system and high voltage system, the lower current can control the higher one. 2) 2-channel high voltage system output, meeting the needs of single channel control 3) Wide range of controllable voltage. 4) Being able to control high load current, which can reach 240V, 10A 5) With a normally-open (NO) contact and a normally-closed (NC) contacts Package includes 1pc x 5V Relay 1 Channel Relay Module
Digital Vernier Caliper Electronic LCD Screen Plastic Caliper Product description Features: Made of strong Plastic carbon fiber composites, lightweight and durable Two way measurement, internal and external Linear capacitive measuring system Zero setting in any position With easy to read large LCD display Minimum scale to read is 0.1mm / 0.01 inch An ideal tool for a broad range of industrial and automotive applications Specification: Digital Vernier Caliper Measuring Range: 0-150 mm / 0-6 inch Resolution: 0.1 mm / 0.01 inch Repeatability: 0.1 mm / 0.01 inch Display: LCD screen Power: One Battery (not included), LR44 / SR44/AG13 1.5V Total size: 235 * 77 * 15 mm / 9.25 “* 3.03” * 0.59 “(approx.) LCD display size: 40 * 15 mm / 1.57 “* 0.59” (approx.)
5V Relay Module 4-Channel This is a 5V 4-Channel Relay interface board. Be able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller (8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) . 5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current. Equiped with high-current relay, AC250V 10A ; DC30V 10A. Indication LED's for Relay output status. Application: Supports all MCU control. The industrial field. PLC control. Smart home control.
Description : This cheap and small Wifi transciever is the perfect solution for home Automation and IoT applications. It can be the replacement for your NRF24L01, it can talk to your Wifi router directly through the UART MCU's (Rx, Tx). The ESP-12 module is one of the most complete of the ESP family as it allows you to use biggest amount of pins. You can program this module to work stand alone with the For Arduino IDE or with LUA as NodeMCU. It has an LDR and a WS2812 LED already on board for your projects. The board comes with a CH40 micro USB module to program it. The ESP8266 is a highly integrated chip, including antenna and power management converter. The system is equipped with ESP8266 and it's features are: energy saving VoIP quickly switch between the sleep / wake patterns, with low-power operation adaptive radio bias, front-end s
Arduino UNO R3 Development Board basic Starter Kit II CL 1006-4 is a new toolkit based on the Arduino UNO R3 development board which is equipped with arduino's most basic materials such as breadboard, LED light and resistors, is an economical portable arduino learning tool, This kit is suitable for engineering students, technologists and freelancers who are enthusiast about technology, is the starting point for beginners of embedded programming, Once you are pro you will then move to the intermediate kit which we also supply. Order this exciting kit from Jumia mall to get a good value for your money.
