Interfacing a Noritake VFD Module with Arduino
I recently bought a Noritake-itron VFD module off eBay. Noritake-itron specializes in making vacuum fluorescent displays for many OEMs. As […]
Controlling an HMC624LP4E RF Attenuator Using Arduino
I recently found a Hittite (acquired by Analog Devices in 2014) HMC624LP4E evaluation board gathering dust in my miscellaneous PCB […]
A Quick Look at the M5Stack ESP32 Development Kit
I recently received an M5Stack ESP32 development kit from Banggood. Although I have not used any ESP32 based development boards […]
Reverse Engineering a Uniden Cordlessphone LCD
I recently upgraded my home phone system and thus was left with a couple of old Uniden DCT648-2 handsets. Most […]
Interfacing HDC1050 with Arduino
Recently, I got my hands on TI‘s HDC1050 low power, high accuracy digital humidity/temperature sensor chip. The supply voltage of […]
Yet Another Scanning Monochromator Build
A while ago, I saw a video on the signal path in which Shahriar modified his Verity EP200Mmd monochromator/detector and […]
Turn Your Android Phone into a Wireless Touchpad
In this blog post, I will show you a simple way of turning your Android phone into a wireless touchpad. […]
Using Arduino Due’s True Random Number Generator
Arduino Due uses an Atmel SAM3X8E ARM Cortex-M3 CPU, which has a native hardware based True Random Number Generator (TRNG). […]
On Arduino Due PWM Frequency
I just got myself a couple of Arduino Due boards. While they were released almost two years ago, I have […]
DS3232 Clock Frequency Calibration
DS3232 is an extremely accurate RTC with a guaranteed accuracy of 2.5 ppm (0 °C to 40 °C), which translates […]
MCP3903 Library
MCP3903 is a six channel Delta-Sigma A/D converter. It features six synchronous sampling differential channels which can be programmed to […]
Modify An Off-the-Shelf CP2102 Module As An Arduino Programmer
A while back, I wrote an article on how to use a CP2102 USB/UART converter chip in place of an […]
Extending DAC Resolution Using Digital Potentiometer
One way to extend the resolution of a digital-to-analog converter (DAC) is by employing a sigma-delta converter in software. The […]
LM92 Library for Arduino
LM92 is a 12-bit + sign temperature sensor from Texas Instruments. This sensor operates on the I2C interface and can […]
A Simple Serial Protocol
We can send and receive commands wirelessly with Arduino by using these cheap RF data link transmitters/receivers. I like these […]