Feature:     With more than 200pcs components.  With a precision potentiometer, better quality.  With basic transistor and IC components.  Comes with a plastic storage box for portable use.     Package included:     10pcs White LED;  10pcs Yellow LED;  10pcs Blue LED;  10pcs Green LED; ...

Description:     Power supply: DC3-5V;  Board size: 60*85mm.     Package included:  20 * Metal Detector Electronic DIY Kit  

Description:     Board size: 17 x 23mm.  This kit needs the buyer to weld and install by himself. It is suitable for beginners, enthusiasts and students in welding and assembling practice.  The circuit is composed of photoresistor and triode emitter follower. The voltage of...

Note: This is a DIY kit, you need to assembly it, we supply schematic diagram only.    Feature:    Constant current output;  Wide operating voltage: 3.5V - 12V;  ALC circuits do not need to connect diodes or transistors;  The brightness level can be adjusted;  The...

Description:  LP-5815 is a DC low-voltage power connection splitter with signal interface. It has the advantages of high stability and small size. It can access various sensor signals (human body, touch, door control, hand scan), It is suitable for any ordinary power supply, solves...

Features:    11 digital input/output pins.  Interrupt/pwm/I2C/one-wire.  1 analog input(3.2V max input).  16M bytes(128M bit) Flash.  External antenna connector.  Built-in ceramic antenna.  New CP2104 USB-TO-UART IC.  Same size as D1 mini, but more light.    Package includes:    20 x D1-MINI Shield kit

Description:     1. ESP32-CAM is a WIFI+ Bluetooth dual-mode development board that uses PCB on-board antennas and cores based on ESP32 chips. It can work independently as a minimum system.  2. ESP integrates WiFi, traditional Bluetooth and BLE Beacon, with 2 high-performance 32-bit LX6...

Description:     The main chip using Lexin ESP32, Tensilica LX6 dual-core processor, clocked at 240MHz, computing power up to 600DMIPS, chip built-in 520 KB SRAM, 802.11 b / g / N HT40 Wi-Fi transceiver, baseband, protocol stack and LWIP, integrated dual-mode Bluetooth (traditional Bluetooth...

Description:   1. ESP32-CAM is a WIFI+ Bluetooth dual-mode development board that uses PCB on-board antennas and cores based on ESP32 chips. It can work independently as a minimum system. 2. ESP integrates WiFi, traditional Bluetooth and BLE Beacon, with 2 high-performance 32-bit LX6...

Description: Power supply: DC 4.5-5V.  Board size: 3.5 * 5.5cm.  Low-level judgment voltage: 0.0-0.4V.  High-level judgment voltage: 3.3-5V.  Package included: 30 x DIY Digital Display LED Logic Pen Electronic Kit

Description: Power parameters: DC5V (DC power supply).  Driver chip: LM3914, LM358.  Input mode: microphone sound control, 3.5mm audio source cable.  Board size: main board 90*30mm, secondary board 240*30mm.  Finished product weight: 60g.  This kit is a split-type voice-controlled, wire-controlled music level indicator, which is input through microphone induction or earphone socket. The LED light fluctuates to both sides with the middle of the music volume. It is very dynamic, especially when used at night.   Package Included:  1 x 38-Segment Sound Control Music Level Indicator DIY Kit

Feature: AM SW radios receiver kit, using CXA1691BM integration, with fewer external components, high sensitivity, low power consumption, etc.  AM frequency range 525-1605KHZ.  SW frequency range 87-108MHZ.  Power: 2 x D batteries (not included).  Dimensions: 165 x 45 x 100mm.  Note: We don't offer...

Feature:   This is a high quality regulated power supply kit with adjustable output voltage from 0-30V and current from 2mA to 3A.  When the output current is greater than the set current, LED light, the circuit automatically switches to constant current mode, which...

The D1 R2 is a mini wifi board based on ESP-8266EX.   11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0).  1 analog input(3.3V max input).  A Micro USB connection.  A power jack, 9-24V power input. Compatible with Compatible with nodemcu.  Programming: The...

Description: ICL8038 is a kind of monolithic function signal generator with excellent performance. It can generate sine wave, triangle wave, square wave and square wave. Feature: Operating voltage: DC12V.  Working current: 9mA.  Frequency range: 50Hz--7.5KHz.  Duty cycle: 27%--63% (square wave).  Signal type: sine wave,...

DSO Shell (DSO150) Oscilloscope DIY Kit:  1. DSO Shell has similar bandwitch as DSO138 though it contains significant improvements in structure, mechanical, and operation.  2. Display and MCU are now mounted on the same board (mainboard) to avoid using inter-board pin-headers. Feedback from DSO138...

Description:   It does not require programming or a microcontroller, so please do not provide the code. It does not provide power, you can use the charging treasure (5V DC) as the power supply, or use 4pcs AA battery box and load 4 batteries....

Working principle: Using the SMD CD4060 control 12 red, yellow and green LED flashing, adjust RP1 can change the speed of flashing, while the music chip issued a wonderful music. The kit uses SMD components and plug-in components, is ideal for practical training requirements....

There are two options for you to choose from:  Semi-finished product: No soldering required but self-assembly required.  DIY KIT: PCB needs to be soldered and self-assembled.     Description:  Compared with the previous version, this is the largest analog Nixa clock with the Largest Font...

Description:   The suite,adopt a warning lamp circuit NE555 and CD4017 chip simulation to make blue LED and red LED flashing, respectively, according to the pulse adjusting RP1 flicker frequency can be adjusted. Working circuit voltage of DC9-12 v, suite does not contain the...