400 point and 830 point breadboard for versatile prototypes and circuit experiments and other DIY projects. Four power rails and color legend on distribution strips for efficient circuit building. Self-adhesive tape on the back for easy attachment to the Prototype Shield. Made with high-quality white PP plastic body and black printed legend. Conveniently packed in a paper box for safe storage and transportation.

The sensor USES the high quality FR - 04 double material, treatment of nickel plating and surface, have fight oxidation, electrical conductivity, and life has more superior performance, with potentiometer sensitivity adjustment; has a fixed bolt hole, convenient installation The LM393 use of wide voltage comparator, signal clean, good waveform, driving ability is strong, for more than 15 mA Rain drops sensor module adjust sensitivity by potentiometer, the working voltage of 3.3 V to 5 V; output format: digital switch output (0 and 1) and analog AO voltage output The raindrop board and the control board are separate, easy to lead the line, TTL level output, TTL output valid signal is low. Drive capacity of about 100MA, direct drive relays, buzzers, small fans, and so on. Easy to use : Connected to 5 v power supply power lights, no water droplets on induction plate, the DO output for the high level, switch lights out, a drop of water drops, the DO output for the low level, switch indicator,brush away the water droplets, return to again, the output high level state.

Features: Built with SANYO solid capacitors, 36μ thick PCB, high-Q inductors, and an LED output indicator for enhanced performance and reliability. Application: Perfect for DIY power bank projects, powering monitors, communication devices, and a wide range of other electronic equipment. Wide Input Voltage Range: The LM2596 buck converter supports a broad input voltage range from 3V to 40V, making it ideal for various applications, including DIY electronics, solar power systems, and more.(Input voltage must be at least 1.5V higher than the output voltage; no boost function) High-Efficiency Output: Achieve up to 92% conversion efficiency with this step-down regulator, ensuring stable and efficient voltage regulation for your devices, from 1.25V to 35V. Adjustable Voltage Regulator: Easily customize the output voltage with a precision multi-turn potentiometer, providing flexibility for powering a wide range of electronic projects and devices. Integrated Thermal Protection: Built-in thermal shutdown and current limit protection safeguard your devices from overheating and overload, extending the lifespan of your components. Space-Saving & Robust Build: The LM2596 dc to dc buck converter boasts a compact and sturdy PCB design, allowing seamless integration into small spaces in your projects while maintaining reliable performance.

The Load Cell maximum measures force: 20kg (44lb) You need to connect load cell with HX711 module like this, Red to E+, Black to E-, Green to A+, White to A- Load Cell: 4 leads, easy to use, plus 5-10V drive voltage, direct output as a voltage signal due to force changes. Compatible with arduino and raspberry pi This HX711 module uses 24 high precision A/D converter chip hx711. It is a specially designed for the high precision electronic scale designwith two analog input channelthe internal integration of 128 times the programmable gain amplifier The HX711 On-chip active low noise PGA with selectable gain of 3264 and 128

(Relay module parameters)1 Channel Relay Module: Working voltage: 5V; Static Current: 4mA; Working current:65mA; Trigger Voltage:0-1.2V; Trigger Current: 2mA; Maximum load: AC 250V/10A, DC 30V/10A. (High Quality:)The 5V relay module is made of high -quality electrical components and semiconductor elements. High structural strength, impact resistance, strong resistance to impact, small input -end drive current, can easily be connected to the computer terminal and various digital programming circuit interfaces. Electricity performance is excellent, safe and reliable, and long mechanical life. (Relay module connection method)DC+: positive power supply (VCC); DC-: negative power supply (GND); IN: Signal input terminal; NO: normally open relay interface; COM: Common Interface Relays; NC: normally closed relay interface. (High-Efficiency)The relay shell is made of ABS flame retardant plastic.The internal structure adopts high -efficiency spring structure with high life span. High mechanical strength, reliable and stable. (Application)The 5V relay module can be used as the MCU development module and can be used as home appliance control; it is widely used in industrial automation, electric furnace heating, stage lighting control, copy machine, medical equipment, petrochemical equipment, CNC machine tools and other automated control areas.

Voltage: 3.3-5V Pressure: 0-40KPa Module Adopts High Precision AD Sampling Chip and 0-40KPa Air Pressure Sensor Module Can Connect 2.5mm Soft Tube and Detect the Water Level and Other Air Pressure Adopts 5K Ohm Resistor Bridge Sensor The Specific Air Pressure Value needs to be Calculated Size: 18.6*13.5mm (2mm fixing hole)

☆The sensor module has strong ability to adapt to ambient light. It has a pair of infrared transmitting and receiving tubes. The transmitting tube emits infrared light of a certain frequency. ☆Signal output interface outputs a digital signal (a low-level signal). The detection distance can be adjusted by the potentiometer knob. The effective range is 2 to 30cm and the working voltage is 3.3V.5V. ☆The sensor's detection distance can be adjusted by a potentiometer, has small interference, is easy to assemble, and is easy to use. ☆It can be widely used in robots to avoid obstacles, avoid cars, count pipelines, and track black and white lines. ☆Sensor module output port OUT can be directly connected with the microcontroller IO port can also directly drive a 5V relay connection mode: VCC-VCC; GND-GND; OUT-IO.

Description: HC-SR04-P is a wide range of ultrasound working voltage measuring module distance. Module size and software is fully compatible with the old HC-SR04 version. It can be perfectly interrupted with the old HC-SR04 version. Low to 3V minimum operating voltage, so that it can be directly connected to the 3.3V powerMCU. Feature High operating voltage: 3 V-5.5 V With software and hardware HC-SR04 size is fully compatible Detection distance: 5 V: 2 cm-450 cm 3.3 V: 2 cm to 400 cm Detection angle: <15 Use of industrial grade MCU, operating temperature: -20-80 degrees Celsius Note: 1: This module does not have to be charged connection, if you want to live connection, then let the Gnd module end connection first. Otherwise it will affect the form's work. 2: When they go, the area of the measured object is not less than 0.5 square meters, and to be as easy as possible. 3: If the test surface is irregular or remote test objects, multiple measurements can be used to correct it.

5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current Equiped with high-current relay, AC250V 10A ; DC30V 10A Standard interface that can be controlled directly by microcontroller (compatible with Arduino ,Raspberry Pi, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) Indication LED's for Relay output status Size: 50.5mm(L) x 38.5mm(W) x 18.5mm(H)(1.99inch x 1.54inch x 0.73inch)

5V power supply Serial I2C control of LCD display using PCF8574 Backlight can be enabled or disabled via a jumper on the board Contrast control via a potentiometer Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing Size: 41.6mm x 19.2mm

Display 2 lines of 16 characters including letter, number, and symbol Working voltage: 5V; contrast adjustable with a 50K potentiometer onside Module dimensions: 80 x 36 x 12 mm; Viewing area size: 64.5 x 16 mm Bright blue backlight (better than green), displaying characters clearly Low cost and easy to use, perfect for beginners

Product Identity: ESP8266 ESP - 01 Serial WiFi Wireless Transceiver Module Development Board, a compact yet potent solution for wireless connectivity projects. Processing Prowess: ESP8266 boasts robust on - board processing capabilities, facilitating efficient execution of complex tasks and algorithms. Storage Capacity: ESP8266 offers ample on - board storage, enabling seamless data retention and retrieval for uninterrupted operation. Mode Flexibility: Supports three distinct WiFi operation modes - AP, STA, and AP + STA, providing versatile networking options for diverse application scenarios. Arduino Synergy: Compatible with Arduino platforms and equipped with LWIP in AP+STA mode, streamlining development and enhancing project compatibility.

Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission. The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1mA in sleep mode. It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands. AT command interface with "auto baud" detection. TTL serial port for serial port, you can link directly to the microcontroller

Bluetooth module HC-05 Master and slave Two in one module. Please note: iOS devices (iPhone) are not supported Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards Module working voltage 3.6 V to 6V Default rate of 9600,default pin:1234, the user can be set up.click the button into AT MODE Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified

Current sensor chip: ACS712ELC-30A Pin 5V power supply, on-board power indicator The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A There is no the detection current through, the output voltage is VCC / 2

Widely applicable: Widely used in stereo, TV, video machine, disc machine, set-top boxes, digital photo frame, car stereo, remote control toys, satellite receivers, hard disk player, air conditioner, heater, electric fan, lighting and other home appliances. Working voltage: 2.7 ~ 5.5V Frequency: 37.9KHz Receiving angle: 90° Receiving range: 18m? Dimension (each?: 1.5 x 1.8 x 1cm Infrared receiving module adopts 1838 infrared receiving head Can receive infrared signals and output them at the signal output as a digital sequence. You will receive 10 IR receiver modules for your use. built-in infrared dedicated IC, can work under 500 lux light intensity.

L298N Motor Driver Controller Board Module: L298N as main chip. Can drive one 2-phase stepper motor, one 4-phase stepper motor or two DC motors Operating mode: H-bridge driver (dual) Logic voltage: 5V(current 0mA-36mA) Drive voltage: 5V-35V(current: 2A (MAX single bridge) Maximum power: 25W

Corona DS558HV Digital Metal Gear Servo 14kg / 0.18 Sec / 58g Specs: Model: DS558MG Operating Voltage: 6.0V / 7.4V Operating Current: 300mA / 400mA Operating Speed: 0.20sec.60°/ 0.18sec.60° Stall Torque: 12kg.cm / 14kg.cm Size: 20X40X38.5mm Weight: 58g Dead Band: ≤3uSec Operating Travel: 40°/one side pulse traveling 400us Potentiometer: 5 slider/Direct Drive Ball bearing: MR106 Gear Material: Metal Gear Type: Digital Motor: Brushed Connector wire: 300mm Operating Temperature Range: -20°C+60°C Spline count: 25

100% NEW brand,high quality. Stall Torque (4.8V): 17.5oz /in (1kg/cm); Operating voltage: 3.0V~ 6V; Temperature range: -30 to +60; Dead band width: 7usec. Mini servo SG90 is tiny and lightweight with high output power. SG90 servo motor compatible with the project like Robot Arm/ Robot hand/ control the servo with potentiometer/ multi servo control. The SG90 has 3 wire interfaces in which the connections should be made as follows: Red wire-5V, Brown Wire-Ground, Yellow wire-digital pin 9. SG90 9G micro servo motor for remote control helicopters, micro robot, robot arm and boats.

Automatic idle-current reduction. Supply voltage up to 48V DC Output current up to 5.0A. Suitable for 2-phase and 4-phase motors. High speed optoelectronic isolation signal input. Single-chip PWM bipolar sinusoidal chopper ensures low vibration and high efficiency. 1, 2, 4 ( Mode), 8, 16 adjustable microstep control, motors run more precisely and smoothly. Equipped with the 3rd generation of breakout board, display panel and control pad to control the motor manually. Overload, overcurrent, overheat, overvoltage and undervoltage protection to avoid damaging your computer and devices. Cooling Aluminium Box Design for Cooling, and protect the driver board from being damaged by dirt, dust or other liquids. The TB1H is a high performance microstepping driver based on the latest for high-efficiency TB6600HG for IC. The TB6600HG adopts single-chip PWM bipolar sinusoidal chopper to ensure the low vibration and high efficiency. Moreover, the design with BiCD0.13 (50V) process technology on the chipset also ensures maximum 5.0A output current and 50V output withstand voltage. Consequently, as long as the current range of the stepper motor is within 0.2-5 amps, all the 2 Phase or 4 Phase of Nema17, Nema23, Nema24 and Nema34 stepper motors will work perfectly with this new-type TB6600HG Stepper Driver. Applications: For processing various pattern mould. For advising, such as , architechture mould, badge, nameplate, display boards, doorplate, furniture decoration, etc.. For carving portrait, scenery, handwriting, sealing, etc.. Suitable for any small-and-medium automatic equipment with controller, such as X-Y-Z tables, labeling machines, laser cutters, engraving machines, and pick-place devices.