Gallery- DIY Arduino kit
This is the gallery page of DIY Arduino kit. You can get description of this product on this page. Related topics: Schematic- DIY Arduino Assembly tutorial You can buy this DIY kit at BUILDCIRCUIT STORE.
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DIY KIT 32- FM receiver DIY Kit
This is yet another FM receiver DIY kit for electronics beginners and hobbyists. It uses the chip CXA1619. The kit package comes with all the components required to build the kit. The schematic and description is shown below: This is the PCB of the kit. The silkscreen labels can guide you through soldering. This is…
Experiments with Amarino Evaluation Shield
Before you read this post, please read the following posts: a. Introduction to Amarino evaluation shield. b. Amarino evaluation shield assembly tutorial. You can do several experiments with Amarino evaluation shield, for example, control RGB LED, visualize sensor graph on Android phone, display SMS on LCD, etc. Before we start the experiments, let’s check the…
Remote musical bell- Assembly tutorial
Remote operated musical bell- Assembly tutorial This kit package includes everything you need to make a remote operated musical bell. Assembly of this kit is very straightforward and all the components are through-hole. You can see the labels printed on the circuit board and assemble the components following those labels. Step 1: Solder 4 pcs...
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Light operated switch
Light operated switch works with NE555 timer and light dependent resistor. It uses relay and toggle switch idea for operation.
DIY KIT 43- LM393 based light operated switch with relay
This is yet another dark/light sensor project that uses a photoresistor. This kit has an LM393 chip and there is a relay also. It is a light operated switch. 【Great School Science Project】: The light operated switch can be a great school project for children. It is widely used to help students learn basic mechanical…
DIY KIT 58- Wrist Watch DIY kit
This is a simple wrist watch DIY kit for electronics hobbyists. Anyone with basic soldering experience can build the kit. This is a copy of Solder:Time watch kit from https://www.spikenzielabs.co. It uses DS1302 clock chip.
Flasher circuit using NE555 timer- Basic electronic project
This flasher circuit is bit different from other flasher circuits published on buildcircuit.com.
How to troubleshoot WTV020SD-16P music module
We test all the WTV020SD-16P modules before we ship to our customers. We check all the modules using WTV020SD-16 Evaluation kit. Please check the video below: If your WTV020SD-16P music module is not working properly, please check these: Download AD4 format sample files from here. Download more AD4 format files. (RECOMMENDED) Use a SANDISK 2GB...
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Amarino Experiment- Temperature sensor data and LED controller on Amarino Interface- redirected
This experiment makes the use of ‘Android- Arduino BTCOMM Shield’ and Amarino. If you are not familiar with the shield, visit this page. This experiment is similar to my previous tutorial- Sensor graph and LED controller together. You can also see one more similar experiment- Sensor graph and LED controller using Smart Phone- Arduino Shield. If you…
DIY KIT 57- LM317 adjustable power supply with seven segment display
This is yet another post related to LM317. The LM317 device is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37 V. It requires only two external resistors to set the output voltage. The device features a typical line regulation of 0.01% and…
DIY KIT 48- Flame sensor
This is a basic electronic kit for beginners. The kit is based on LM358, an operational amplifier and works as a flame sensor. The schematic of the kit: Check out the images below to get tips for assembling the kit. You can see the images on Flickr also. Other images
Build a simple DIY clap switch
Description: Here’s a simple DIY clap switch circuit. The circuit is mainly composed of an audio frequency and a bistable trigger circuit. Q1 and Q2 together form an amplifier circuit. MK1 (electret microphone) accepts Clap/Audio signal and that enters to transistor Q1 through the coupling capacitor C1 and enters to Q2 base through collector directly after getting…
Amarino Experiment- Sensor graph and LED controller- redirected
This experiment makes the use of ‘Android- Arduino BTCOMM Shield’ and Amarino. If you are not familiar with the shield, visit this page. This experiment is similar to my previous tutorials Sensor Graph basic experiment and Sensor graph and LED controller together. If you have never worked with Amarino, I strongly recommend you to visit Amarino page…
LOW NOISE MINI ELECTRET MICROPHONE PREAMPLIFIER
The single supply microphone pre-amplifier amplifies the output signal of an electret capsule microphone to audio line levels. An op amp is used as a trans-impedance amplifier to convert the output current from the microphone in to a signal level voltage. The circuit works with 9V so it is good choice for battery operated systems….
2 x 50W Class D Bluetooth Audio Amplifier Board – TSA3118
TSA3118 is a 2x50W audio amplifier board with AudioB plus Bluetooth module. It has perfect class-D architecture (based on TPA3116D2) and each channel has 50W power output. Both channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC 10V-24V power supply. It can be used to drive any 4Ω or 8Ω…
Viewing BuildCircuit’s Gerber Files on EasyEDA Gerber Viewer
We have been using different online Gerber viewers for checking our Gerber files before sending the PCB designs for manufacturing. We have now started using EasyEDA’s Gerber viewer because it helps us to visualize the PCB that would appear after it is manufactured. The application is pretty straightforward and we can check different files to see the changes on…
ISOLATED GATE MOSFET DRIVER BASED DC MOTOR AND SOLENOID DRIVER ARDUINO NANO SHILED
This is an Isolated gate driver-based N channel Mosfet Arduino Nano shield based on Si8261ACC, which can be used in various applications like DC Motor driver, solenoid driver, led driver, bulb driver and heater driver, with 3A fast switching diode provided across the output for an inductive load which protects the circuit from back EMF. Arduino Nano…
Multivibrator module
Description: A multivibrator has identical components(capacitors, transistors and resistors) arranged on the left and right hand sides that can be used to implement a variety of simple two-state systems such as oscillators, timers and flip-flops. In a multivibrator circuit, increasing the value of the two electrolytic capacitors increases the time each LED remains on/off.
Experiments with LM358
Description: LM358 is also one of the types of operational amplifier. LM358 consists of two independent, high-gain, frequency-compensated operational amplifiers designed to operate from a single supply over a wide range of voltages. This module can also be used for testing an LDR, a phototransistor and a photodiode. You just need to replace an LDR with…