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 […]
A Digitally Controlled Dual Tracking Power Supply — II
In my previous post, I showed my design of a dual tracking ±30V linear power supply. My goal was to […]
Building a Constant Current/Constant Power Electronic Load
A while back I built a simple constant current electronic load using an aluminum HDD cooler case as the heatsink. […]
Interfacing TLV5620 With Arduino
TI’s TLV5620 is a budget 4-channel 8-bit DAC. While it is designed primarily for running with a power supply between […]
An Isolated DAC Using PWM Output
Arduino‘s (ATmega328P) PWM outputs via analogWrite can be conveniently turned into analog voltage levels through the use of simple RC […]
VFD Clock – Putting Everything Together
After I completed the filament driver and the circuit to drive the multiplexed VFD segments, it is time to finish […]
A DIY Vacuum Fluorescent Display Driver
In my previous post, I showed a simple vacuum fluorescent display filament driver built using a 555 timer and a […]
Building a Sweep Generator for BK 4011
I did a teardown of a BK Precision 4011 5MHz function generator a few weeks ago. Like most of basic […]
Temperature and Humidity Logging Over Ethernet — II
Last week, I discussed the construction of a network-capable temperature and humidity sensor using SHT21 and ENC28J60 with an ATmega328P […]
Temperature and Humidity Logging Over Ethernet — I
I did a project on temperature/humidity logging a couple of years ago. In that project I logged the temperature and […]
Arduino Library For LM95172 Temperature Sensor
LM95172 is a 13 to 16 bits wide temperature range automotive-grade temperature sensor in a ceramic SOIC package. Besides its […]
Keithley 196 Firmware/Calibration Data Backup
I bought a used Keithley 196 bench multimeter a few weeks ago. This is a 6 ½ digit 3,030,000 counts […]
Interfacing ADS1224 With Arduino
ADS1224 is a 24-bit delta-sigma analog-to-digital converter with 4-channel differential inputs multiplexer. This ADC chip offers a 20-bit effective resolution […]
DDS Function Generator Build
I picked up an AD9850 DDS module on eBay an couple of weeks ago and decided to build a MCU […]