Content for PCB

Build an Arduino-Controlled AM/FM/SW Radio

“The idea of a single chip radio is intriguing. The prospect is especially interesting to me because, frankly, I envy the analog skills I associate with building a radio receiver. When I browsed the circuit literature in the area, I …

Cheap Wireless device to Control Arduino from anywhere in the world

“#DTMF stands for DUAL TONE MULTIPLE FREQUENCY , in which we are going to use Mobile phone to make its as a wireless device, it works on the frequency which we generate on keypad of caller phone.”

Project  Metrophones

Metrophones

“The metropolitan in it’s natural habitat; unaware, oblivious, purposefully deafened and subsequent prey. To increase perception thus safety, we wed an Arduino Nano and ultrasonic sensor to regulate volume to proximity to some one behind you; easily deactivated per …

Modified Heathkit HD-1410 electronic keyer

“HD-1410 is quiet popular iambic keyer which is manufactured around 1970’s by Heathkit. The original HD-1410 keyer is designed using 5 commonly available 74LS series TTL ICs and 8 transistors. Other than iambic operation it has an …

Optically Isolated LPT Breakout Board for CNC & Routers

“Optically isolated parallel port break out board designed for Hobby CNC, Routers and Motion controller, This Board is an easy solution to drive stepper Motor driver through PC parallel port, The Board is compatible with various CNC software specially made …

Parallel Port Breakout board with Buffer for CNC & Routers

“Parallel port I/O break out board designed for Hobby CNC, Routers and Motion controller , This Board is an easy solution to driver stepper Motor driver, AC Servo (with Step-DIR Driver) and DC servo (with Step-DIR Driver), The …

Supercapacitor Backup with Wireless Charging

“The goal of this project is to demonstrate IDTs wireless charging technology and the use of supercapacitors as an alternative to battery backups. The device also uses an XBee wireless module to communicate with another identical device with each sending …

Suzuki Alto RPM meter

“Maruti Suzuki alto car is a 800CC 3 cylinder engine car. it’s a manual drive car , so i need to fix RPM meter for it because it doesn’t come factory fitted RPM meter. So i have searched ebay …

4.5Amps Bipolar Stepper Motor driver based on TB6600

“Bipolar stepper drive board described here has been designed around TB6600HG IC. The TB6600HG is PWM chopper type single chip bipolar sinusoidal micro-step stepping driver. Maximum Load 4.5A, Supply 10V to 42V DC.”

Arduino UNO nRF24L01+ Shield

“I recently received my first couple of nRF24L01+ modules. But soon, I realised that the Arduino UNO onboard 3.3V regulator was not capable of driving the nRF24 modules at full power. I ended up with lots of wiring between …