Homemade PCB with toner transfer method
QuotesDG
October 21, 2017
The toner transfer method is a cheap and easy way to make your own printed circuit boards (PCBs) at home. A laser printer is used to print t...
Showing posts with label Electronics. Show all posts
Showing posts with label Electronics. Show all posts
Saturday, 21 October 2017
Sunday, 7 May 2017
Turn RTL-SDR dongle into RTL2832U universal board
QuotesDG
May 07, 2017
The most popular RLT2832U dongles are the ones with E4000 and R820 tuners. This is due to the high frequency range these tuners have. Elonic...
Sunday, 30 April 2017
Configure WAN port on OpenWRT/LEDE
QuotesDG
April 30, 2017
OpenWRT/LEDE are Linux based, embedded operating systems for networking devices. Besides being open source, they are highly configurable and...
Saturday, 29 April 2017
Install OpenWRT/LEDE on P.RG AV4202N router
QuotesDG
April 29, 2017
AV4202N is an xDSL modem and WiFi router based on the BCM6368 SoC manufactured by Broadcom. The CPU has 2 cores running at 400 MHz, with 64 ...
Sunday, 19 February 2017
Make a buffered JTAG adapter (Wiggler)
QuotesDG
February 19, 2017
JTAG is an in-circuit programming and debugging interface. It specifies the use of a dedicated debug port implementing a serial communicati...
Tuesday, 21 June 2016
A better way to power car audio in home
QuotesDG
June 21, 2016
Usually, car audio systems like CD player or cassette player have good audio amplifiers, with four channels (front L/R and rear L/R) of enou...
Thursday, 9 June 2016
DC Motor Controller for PCB Drill
QuotesDG
June 09, 2016
This is a simple circuit that can be use to vary the speed of a DC motor. It is very useful for controlling a PCB drill, but it can be used ...
Tuesday, 24 May 2016
How to control the (BS2)S7VZ6306 tuner
QuotesDG
May 24, 2016
S7VZ6306 is a tuner I found in a Comag SL100 HD satellite receiver. A very useful thing is that the tuner is soldered onto a small board th...
Thursday, 24 March 2016
How to build a simple soldering iron
QuotesDG
March 24, 2016
Although soldering irons are quite cheap, widely available and come in various shapes and sizes, here's the DIY way. This article will d...
Monday, 1 February 2016
Debrick Huawei HG553 (BCM6358 based router)
QuotesDG
February 01, 2016
Huawei Echolife HG553 is an ADSL2+ modem with WiFi router which was used by some ISP companies in Italy and Spain. The device features a Bro...
Friday, 29 January 2016
Simple DiSEqC monitor and signal analyzer
QuotesDG
January 29, 2016
DiSEqC™ is a protocol developed by Eutelsat . It is widely used in satellite receiving equipment to control devices over the same coaxial ca...
Saturday, 19 December 2015
HF & VHF antenna amplifier without coils
QuotesDG
December 19, 2015
The following receiving amplifier can be used for any kind of signal in the HF and VHF bands from about 1 MHz to 400 MHz. It offers quite li...
Friday, 30 October 2015
Make a wideband antenna matching transformer
QuotesDG
October 30, 2015
Most do-it yourself TV antenna projects online use a ready made impedance matching transformer between antenna and cable. But what can you d...
Wednesday, 19 August 2015
10W Stereo Audio Amplifier with Transistors
QuotesDG
August 19, 2015
This is another simple to build audio amplifier using common parts and medium power transistors. It outputs 10 W into 4 ohms speakers on eac...
Saturday, 25 July 2015
2.5W Audio Amplifier with Transistors
QuotesDG
July 25, 2015
This amplifier is easy to build using common discrete parts. A channel uses only four general purpose transistors (3 NPN like BC547, 2N2222,...
Friday, 23 January 2015
How to identify an unknown radio tuner
QuotesDG
January 23, 2015
Radio frequency tuners can be found in a lot of devices, starting with TV sets, set top boxes and PC tuner cards. A tuner is a device that t...
Saturday, 20 December 2014
Infrared protocol analysis with PC soundcard
QuotesDG
December 20, 2014
Infrared communication is widespread among electronic devices that use remote controls. Because of this, there are more protocols in use and...
Sunday, 14 September 2014
Computer PSU start circuit with bicolor LED
QuotesDG
September 14, 2014
There are a lot of tutorials on the internet on how to turn a computer PSU into a bench top power supply. Most of them involve adding a load...
Friday, 22 August 2014
MxL5007T tuner radio
QuotesDG
August 22, 2014
MxL5007T is a tuner IC designed mostly for digital signals (DVB-T, ATSC), but it can be used for analog reception too. I will show you how ...
Sunday, 10 August 2014
Design of a TV Tuner based radio scanner
QuotesDG
August 10, 2014
Building radio frequency devices becomes difficult starting from VHF band. Moreover, tuning various stages is difficult without expensive el...
